高中语法：It的用法总结

Book6 Unit3 Grammar “The Use of It”

备课：单曰坤审核：高二英语2014.12.15

Teaching aims:1. Revise the useful words and expressions.

2. Master the usage of “it”.

Step I. Review the important words and expressions in the reading passage.

Words :

1.香烟，纸烟________________

2.青少年；青春期的__________________

3.自动的，无意识的_______________

4.精神的，智力的________________

5.怀孕的_________________

6.困难的坚硬的________________

7.收回，退回__________________8.结果，效力_______________________

9.离开，停止_____________________ 10.畸形的，异常的___________________

11.气喘吁吁的____________12.加强，巩固______________

13.绝望的，拼命地_____________14.失望的，沮丧的_____________

15.感到惭愧的_____________16.不合法的______________

17.幸存_______________ 18.男性的__________________

19.女性的______________20.偏见，成见__________________

Phrases:

1）由于；归功于______________2）对……有瘾_______________________

3）对……做出决定_________________4）习惯于某事/做某事___________________

5）停止做某事________________ 6）为……感到惭愧/羞愧___________________

7) 尽管、不管、不顾_________________ 8）染上….习惯_________________

9）分享，共用__________________10）冒险___________________

11）处境危险；遭受危险_____________________

课堂导学

Step1：Can you tell what the word “it” refers to in each sentence?

1.It is a beautiful day here.

2. It is 20 kilometres from Grandad’s house to James’.

3. It seems amazing that at my age I am still fit enough to cycle 20 kilometers in an afternoon.

4. It’s my birthday in two week’s time.

5. You are finding it difficult to give up smoking.

6. I am sending you some advice I found on the Internet. It might help you to stop and strengthen your resolve.

Step2: Summarize the use of “it”.

一. 代词

（1）用作人称代词, 代替前文提到的事物。

My watch is missing. I can’t find (it) anywhere．

Her father has gone abroad. Have you heard about (it)?

（2）代替指示代词this, that。

What’s this? (It’s) a computer．Whose pen is that? (It’s) mine．（3）也可以指动物或婴儿(未知性别的婴儿或孩子):

Is this your dog？No, it isn’t.

二、it作非人称代词

it有时并不指具体的东西，而泛指天气、时间、日期、

距离、价值、度量、温度、环境等，称为非人称的it：

1.指天气：

It is a lovely day, isn’t it? It is a bit windy.

2. 指时间: It was nearly midnight when she came back.

3. 指环境: It was very quiet in the café.

4. 指距离：It is half an hour’s walk to the city centre from my home.

5. 指日期：—What’s the date today? —It’s May 1, 2007.

6. 指季节It is summer now.

7. 指度量：It is about 5 kilograms.

8. 指价值：—What’s the price of the T-shirt? —It is 150 yuan.

【即学即练】1.

三、it用作形式主语

替代作主语的从句、动词不定式、动名词，而把真正作主语的从句、动词不定式、动名词置于句尾。

1. 替代作主语的动词不定式

（1）It be adj.（for sb.）to do sth.

此处adj. 通常为描述事件的形容词：easy，difficult，hard，necessary，unnecessary，possible，impossible，likely，unlikely，right，wrong，important，unimportant，legal，illegal，well-mannered，polite，impolite，clear，obvious，certain，suitable，proper，fit，useful，useless，dangerous…

例如：

1.__________________________________________ without a license.没有驾照开车对青少年来说是犯法的。

2.翻译：对他来说按时完成作业是不可能的。

_______________________________________________________________

（2）It be adj. of sb. to do sth.

此处adj.通常为描述人的形容词：kind，unkind，nice，rude，cruel，considerate，thoughtful，thoughtless，careful，careless，silly，foolish，stupid，clever，wise，crazy….

例如：It’s kind of you to help me with the problem.

你帮助我解答这个问题真是太好了。

2.翻译：你用那种方式与老师讲话是愚蠢的。

____________________________________________________________

2. 替代作主语的动名词

常用结构：

It is/was no use/useless/no good doing sth.

It is funny doing sth.

例如：It is no use/useless going there again.

再去那里是没有用的。

翻译：违反交通规则是没有好处的。

______________________________________________________________

【即学即练】2.

3. it作形式主语替代主语从句

(1)It is adj. +that-clause

It is clear ( obvious，true，possible, certain …) that ...

该句型中it 是形式主语，真正的主语是that 引导的主语从句，常译为“清楚(显然, 真的……)”，是主语从句最常见的一种结构。例如：

It is very clear that he’s round and tall like a tree. 很明显他很圆很高，就像一棵树。翻译：他是需要努力工作的。

_____________________________________________________________

(2)It is v.-ed that…=sb./sth. is to do

It is said (reported/ learned/ believed/ thought/ known/ told/hoped...) that ...

该句型中的it 仍是形式主语，真正主语是that 引导的主语从句；该结构常译为“据说(据报道，据悉……)”。

It is reported that another earth satellite has been put into orbit.据报道又一颗地球卫星进入轨道。

【即学即练】3.

四、it作形式宾语

1).当复合宾语中的宾语是不定式、动名词、宾语从句时，往往把宾语放在它的补足语后面，而用it 作形式宾语，放在宾语补足语之前。

该句型中的it 作形式宾语，常用的动词有think, believe, make, find, consider, feel等。

I think it no use / useless arguing with him.我认为和他争吵没有用。

I found it very interesting to study English.我发现学英语非常有趣。

He made it clear that he was not interested in this subject.

他非常清楚地表示他对这门学科不感兴趣。

【即学即练】4.

2).某些表示“喜、怒、哀、乐”的动词（如like, enjoy, love, prefer, hate, appreciate 等）往往用it作形式宾语，再跟上if/when等引导的宾语从句。

例如：妈妈让我吃鸡蛋时，我就不喜欢。

I don’t like it when my mother asks me to eat eggs.

【即学即练】5.

五、用在强调句型中, 为了强调句子的某一成分(通常是主语、宾语或状语), 常用结构:

It is / was ＋被强调部分＋that (who) ….

注意：此结构强调的成分仅限于主语、宾语和状语。

【即学即练】6.

强调句型的一般疑问句形式为: Is/Was it..that/who...?

强调句型的特殊疑问句形式为: 特殊疑问词+is/was+it +that...?

not...until 结构的强调句型为：It is/was not until ...that...

注意：否定词not要转移到until前面。that后应用肯定形式。

【即学即练】7.

练习：

1.Sarah made to the airport just in time to catch her plane this morning.

A. herself

B. this

C. that

D. it

2.No matter where he is, he makes a rule to go for a walk before breakfast.

A.him

B.this

C.that

D.it

3. New technologies have made ______ possible to turn out new products faster and at a lower cost.

A.that

B.this

C.one

D. it

4. (2014·浙江高考)An average of just 18.75 cm of rain fell last year,making ______ the driest year since California became a state in 1850.

A.each

B.it

C.this

D.one

5. (2014·山东高考)Susan made ______ clear to me that she wished to make a new life for herself.

A.that

B.this

C.it

D.her

6. (2014·大纲版全国卷)—Who’s that at the door?

—______ is the milkman.

A.He

B.It

C.This

D.That

7. It was this village ___ I was brought up.

A. where

B. that

C. on which

D. which

8. It was in this village ___ I was brought up.

A. where

B. that

C. on which

D. which

9. —Was it under the tree ___ you were away talking to a friend?

— Sure. But when I got back there, the bike was gone.

A. that

B. where

C. which

D. while

用it作形式主语改写句子

1.I’m still fit enough to cycle 20 kilometres in an afternoon. T hat is amazing.

2. You could suffer from bad health if you keep smoking. It is likely.

3. China produces one t hird of the world’s cigarettes.It is reported.

4.Bird flu(禽流感) hit China again. That is known to us.

5. Li Yuchun got more than one million yuan for the advertisement. People say that.

6. Some young people think that they look attractive when they smoke. It seems that…

每空填一词, 使该句与所给句子的意思相同。

1. We depend on energy to do many things.

___ __ energy ____ we depend on to do many things.

2. He didn’t go to school because he was ill.

___ ___ because he was ill ______ he didn’t go to school.

3. My father didn’t return until 11 o’clock last night.

___ ___ ___ ______ 11 o’clock ______ my father returned last night.

4. David bought a walkman from a store yesterday.

__ ____ David _________ bought a walkman from a store yesterday.

5. The mountain climber was rescued with the help of the local people.

__ ____ with the help of the local people ______ the mountain climber was rescued.

6. Her uncle moved out of the city and settled down in a small village for this reason. ____ ___ for this reason ______ her uncle moved out of the city and settled down in a small village.

7. What on earth do you want me to say? ______ __ ___ ____ you want me to say?

8. I didn’t receive the manager’s reply until nearly a month later.

___ ___ ___ ______ nearly a month later ______ I received the manager’s reply.

9. Marx met Tracy in Paris in 1845. ___ ___ in Paris ____ Marx met Tracy in 1845.

10. The football match had to be called off because it rained heavily.

__ ____ because it rained heavily ______ the football match had to be called off.

高中英语语法：It的完整用法精讲 打印版

高中英语语法：It的完整用法精讲 it可用作人称代词、指示代词、先行词及引导词等。 1. 人称代词it，是第三人称单数中性，代表前文已提到过的一件事物。如： 1）That vase is valuable. It's more than 200 years old. 那个花瓶很珍贵，它有200多年的历史。 2）I love swimming. It keeps me fit. 我喜欢游泳，它能使我保持健康。 当说话者不清楚或无必要知道说话对象的性别时，也可用it来表示。如： 3）It's a lovely baby. Is it a boy or a girl? 宝宝真可爱，是男孩还是女孩？ it可用来指代团体。如： 4）The committee has met and it has rejected the proposal. 委员会已开过会，拒绝了这项建议。 it用以代替指示代词this, that.如： 5）--- What's this? --- It's a pen. —这是什么？—是一支钢笔。 6）--- Whose book is that? --- It's Mike's. —那是谁的书？—是迈克的。 2. 指示代词it，常用以指人。如： 7）Go and see who it is. 去看看是谁。 8）--- Who is making such a noise? —是谁发出这样的吵闹声？ --- It must be the children. —一定是孩子们。 3.虚义it无指代性，常用作没有具体意义的主语，出现于表示天气、气候、温度、时间、地点、距离等意义的句子中。如： 9）It is half past three now. 现在是三点半钟。 10）It is six miles to the nearest hospital from here. 这里离最近的医院也有六英里。 11）It was very cold; it snowed and grew dark. 天气很冷；天下着雪，渐渐地变黑了。 it也常用来表示一般的笼统的情况。如： 12）It's awful—I've got so much work I don't know where to start. 糟透了——我有这么多工作要做我不知从何开始。 13）How is it going with you? 你近况如何？ 14）Take it easy. 不要紧张。 it也常用于下列结构： 15）It looks as if the college is very small. 看起来这个学院很小。 16）It seems as though our plan will be perfect. 似乎我们的计划很完善。 17）It's my turn. 该轮到我了。 it也常用于某些习惯用语中作宾语，各该习惯用语有具体意义，但it并无具体意义。如：cab it 乘车catch it 受责，受罚come it 尽自己分内come it strong 做得过分walk it 步行make it 办成take it out of somebody 拿某人出气 4. 先行词it. it充当形式主语或形式宾语，本身无意义，只起一种先行引导的作用，先行词不重读。后面的真正主语或真正宾语通常是不定式结构、-ing分词结构或名词性从句。 （1）用作形式主语

it的用法归纳

?Never be afraid of grammar ?Collect some examples; ?Watch them very carefully; ?Find out something in common; ?Try to use the rules ---- practise. it用法完全归纳 一、it 作人称代词的用法 1.指事物 作为人称代词，it 可以除人以外的一切事物或动物。如： I dropped my watch and it broke. 我把手表掉在地上摔坏了。 It’s hard work, but I enjoy it. 工作很辛苦，可是我乐意干。 “Where is the dog?”“It’s in the bedroom. ”“狗在哪?”“在卧室里”。 2.指人 it 指人主要用于指不性别不明的婴儿或用于确认某人的身份。如： Is it a boy or a girl? 是男孩还是女孩? There is a knock on the door. It must be the postman. 有人在敲门，一定是邮递员。 【说明】在答语中，常用来指本人，如说It’s me。

3.代替某些代词 代词it 还可用于代替指示代词this, that 以及复合不定代词something, anything, nothing等。如： “What’s this?”“It’s a new machine. ”“这是什么?”“是一种新机器”。 Nothing is wrong, is it? 没出什么问题，是吗? 二、it 作非人称代词的用法 1.基本用法 it 作非人称代词的用法，主要用于指时间、距离、价值、天气、气候及温度等自然现象。如： It’s too late to go there now. 现在去那儿已经太迟了。 It rained all day yesterday. 昨天下了一天的雨。 It can get very hot here. 这里有时会很热。 2.用于某些句型 It’s time for sth. 该做某事了。 It’s time to do sth. 该做某事的时候了。 It’s time for sb to do sth. 某人该干某事了。 It’s (about / high) time + that-从句. 某人该做某事了。(从句谓语用过去式，有时也用“should+动词原形”) It’s first (second) time + that-从句. 某人第几次干某事。(从句谓语用现在完成时)

(完整版)人教版英语选修六高二unit3语法Grammar—it的用法(1)

Section_ⅢGrammar—it的用法(1) 语法图解 探究发现 ①It is a beautiful day here and I am sitting under the big tree at the end of the garden. ②Your mother tells me that you started smoking some time ago and now you are finding it difficult to give it up. ③It is never too late to mend. ④It is no use talking to them. ⑤It is said that he stole the money. ⑥I think it difficult to learn English well. ⑦We make it clear that speaking to the teacher in that way is not polite. ⑧I don't like it when people talk with the mouth full of food. [我的发现] (1)①句it表示天气，②句第一个it代替to_give_it_up作形式宾语；第二个it代替句中所说的“吸烟”的事。 (2)在句③④⑤中it用作形式主语，其中句③用在“It is＋形容词＋(for/of＋sb.)＋动词不定式(短语)”中，it指代动词不定式(短语)；句④用在“It is＋no use/good＋动名词(短语)”中，it指代动名词(短语)；句⑤用在“It is＋said/believed/reported＋that从句”中，it指代that 从句。 (3)在句⑥⑦⑧中it用作形式宾语，其中句⑥用在“动词＋it＋形容词＋动词不定式(短语)”中，it指代动词不定式(短语)，句⑦用在“动词＋it＋形容词＋that从句”中，指代that 从句；句⑧it用在某些特殊的句式中，指代when从句。 一、it用作人称代词和非人称代词 1．用作人称代词 (1)it用来指代前面的名词或前面提到过的事。 My friend offered me a beautiful gift yesterday, and I like it very much. 我朋友昨天给了我一件漂亮的礼物，我非常喜欢。

高中英语语法系统全解【珍藏版】

高中英语语法系统全解 第一章动词时态 在英语中，不同时间发生的动作或存在的状态，要用不同的动词形式来表示，这就叫做动词的时态。一、一般时 一般时包括一般现在时、一般过去时、一般将来时和一般过去将来时。 A.一般现在时 1．一般现在时的构成 一般现在时主要用动词原形来表示。主语是第三人称单数时，动词后面要加-s 或-es。 They want good jobs. 他们想要好的工作。 The coat matches the dress. 外衣和裙子很相配。 This work does not satisfy me. 这项工作我不满意。 Do you understand? 你懂了吗? 2．一般现在时的用法 ①一般现在时的基本用法 a. 表示现在习惯性的动作或存在状态 He always takes a walk after supper. 晚饭后他总是散散步。 Everyone is in high spirits now. 现在大家都情绪高涨。 b. 表示客观事实或普遍真理 The sun rises in the east and sets in the west. 太阳从东方升起在西方落下。 Sound travels faster through water than it does through air. 声音在水中的传播速度要比在空气中快。

Time and tide wait for no man. 时间不等人。 c. 表示主语的特征、能力和状态 This cloth feels soft. 这布摸上去很软。 I love classical music. 我喜欢古典音乐。 The President still seems able to find time to go fishing. 看来总统仍能有时间去钓鱼。 d. 表示按计划或安排将要发生的动作 The meeting begins at 7:00. 会议七点钟开始。 We leave here at 8:00 sharp. 我们八点整离开这里。 e. 在时间、条件、让步状语从句中表示将来动作 When you come next time, bring me some magazines. 你下次来时，给我带几本杂志。 If time allows, we shall go there tomorrow. 如果时间允许的话，我们明天去那里。 Whether he agrees or not, I will stay at home. 不管他同意与否，我都会待在家里。 ②一般现在时的特殊用法 a. 用于新闻标题或图片说明中 China Declares Manned Spaceflight Successful 中国宣布载人航天飞行圆满成功 Laura Bush Arrives in Moscow 劳拉·布什抵达莫斯科 b. 用于体育运动、表演等实况报道中 Francis slips past, passes the ball to Yao Ming, who jumps, catches and shoots it into the basket.

高中英语语法知识之It的用法总结

高考英语语法知识之It 的用法总结 1．It is + 被强调部分+ that ... 该句型是强调句型。将被强调的部分放在前面，其它部分置于that之后。被强调部分可以是主语，宾语，状语。强调的主语如果是人，that可以由who换用。 如果把这种句型结构划掉后，应该是一个完整无缺的句子。这也是判断强调句型与其它从句的方法。 It was they that (who) cleaned the classroom yesterday. It was in the street that I met her father. 2．It was not until + 被强调部分+ that ... 该句型也是强调句型。主要用于强凋时间状语，译成汉语＂直到．．．才．．．＂，可以说是not ... until ... 的强调形式。 It was not until she took off her dark glasses that I realized she was a famous film star. = Not until she took off her dark glasses did I realize she was a famous film star. = I didn’t realize she was a famous film star until she took off her dark glasses. 3．It is clear ( obvious, true, possible,certain....) that ..... 该句型中it 是形式主语，真正的主语是that 引导的主语从句，常译为＂清楚（显然，真的，肯定．．．）＂是主语从句最常见的一种结构。 It is very clear that he’s round and tall like a tree.= That he’s round and tall like a tree is very clear. 4. It is important ( necessary, right, strange, natural...) that ... 由于主句中的形容词不同，that 后的从句中要用虚拟语气（should + 动词原形），should 可以省去。 It is important that we (should) learn English well. It is necessary that he (should) remember these words. 5. It is said (reported, learned....) that ... 该句型中的it 仍是形式主语，真正主语是that 引导的主语从句。该结构常译为＂据说（据报道，据悉．．．）＂。It is said that he has come to Beijing. 6. It is suggested ( ordered ... ) that ... 主句中的过去分词是表示请求，建议，命令等词时，that后的从句要用虚拟语气（should + 动词原形），should 可以省。常译为＂据建议；有命令．． It is suggested that the meeting ( should ) be put off. It was ordered that we ( should ) arrive there in two hours. 7. It is a pity ( a shame ... ) that ... 该句型中，that后的从句一般用虚拟语气（should + 动词原形），should可省去．表示出乎意料，常译为＂竟然＂。没有这种意义时，则不用虚拟语气。 It is a pity that such a thing ( should ) happen in your class. It is a pity that he is ill. 8. It is time ( about time ,high time ) that ... 该句型中that 后的从句应该用虚拟语气，值得注意的是①常用过去时态表示虚拟．②有时也用should + 动词原形，should 不能省。常译为＂是（正是）．．．的时侯．．．＂。 It is time that children should go to bed. = It is time that children went to bed. 9. It is the first ( second ... ) time that ... 该句型中的that 从句不用虚拟语气，而用完成时态。至于用什么完成时态，由主句的谓语动词的时态决定。如果是一般现在时，后面从句用现在完成时态；如果是一般过去时，后面从句则用过去完成时态。该结构中that 可以省去；it有时用this / that 替换．常译为＂这是某人第几次做某事了＂。 It is the first time I have been here. = This is the first time I have been here. 10 It is the +形容词最高级+ 名词+ that + ….. 该句型中的that 从句不用虚拟语气，而用完成时态。至于用什么完成时态，由主句的谓语动词的时态决定。如果是一般现在时，后面从句用现在完成时态；如果是一般过去时，后面从句则用过去完成时态。该结构中that 可以省去；it有时用this / that 替换．常译为＂这是某人做过的最…的事情＂。 This is the best film that I have ever seen . That was the worst song that he had heard . 11. It is .... since ...

高中英语语法(全英详细讲解)

必修一 语法点一：Be+v.ing表将来 use the present continuous tense for future plans In English, we have lots of ways of talking about the future. The most common ways of talking about the future we encounter use ‘will’ or ‘be going to’ followed by an infinitive（动词原形）, and we tend to use ‘be going to’ most often for talking about future plans. Sometimes, we also use the present continuous tense to talk about future plans. Ex. ①we are going to Mexico next Sunday. ② Are you coming to the cinema? ③ He is leaving for London in two hours. ④ We are spending next winter in Australia. Only some verbs can be used in this situation, such as: go, arrive, come, leave, start, stay, return, play, have, work, wear, spend, see, meet, etc. 扩展： What’s the difference between using ‘be going to’ and the present continuous to talk about future plans? Let’s look at some more examples: “I’m going to play football on Saturday” You have made a plan in your head but possibly not taken any real action to confirm it. Also, playing football on Saturday is probably not a regular event for you. “I’m playing football on Saturday” You have made a plan and taken some real action to confirm it (e.g. called your friends or booked a place to play). In this case, it’s likely that playing football on Saturdays is a common activity for you. 语法点二：Direct speech and indirect speech(直接引语和间接引语) Let's first define the terms, then look at how to talk about what someone said, and how to convert speech from direct to indirect or vice-versa. You can answer the question What did he say? in two ways: by repeating the words spoken (direct speech) by reporting the words spoken (indirect or reported speech). Direct speech repeats, or quotes, the exact words spoken. When we use direct speech in writing, we place the words spoken between quotation marks (" ") and there is no change in these words. Reported or indirect speech is usually used to talk about the past, so we normally change the tense of the words spoken. We use reporting verbs like 'say', 'tell', 'ask', and we may use the word 'that' to introduce the reported words. Quotation marks are not used. 1、declarative sentence陈述句 ①Change in pronoun:The pronoun (subject) of the reported speech is changed according to the pronoun of reporting verb or object (person) of reporting verb (first part of sentence). Sometimes the pronoun may not change. In following example the pronoun of reported speech is “I” which will be changed

语法专题十：it的用法

语法专题十：it的用法 1.指代事物、动物、婴儿或未知的人。 2.指天气、时间、距离、自然现象、环境等。 3.代替不定式，作形式主语或形式宾语(常与feel, consider, find, believe, make, take, imagine, think, suppose, regard等连用)。 4.代替动名词，作形式主语或形式宾语： It is no good / no use / useless / dangerous + doing I think it no good / no use / useless / dangerous + doing I think it no use complaining about their prejudice. 5.代替主语从句、宾语从句，作形式主语或形式宾语： It seems / appears / happens / turns out / proves + that… It is certain / likely / possible / probable + that… We have made it clear that she has nothing to do with the case. 6.用于强调句：It is / was … that / who… A student witnessed the car accident at the turning last night. (1 ) ( 2 ) ( 3 ) ( 4 ) (1) _________________________________________________________. (2) _________________________________________________________. (3) _________________________________________________________. (4) _________________________________________________________. It is not until +被强调的部分+ that… I didn’t realize she was a famous film star until she took off her dark glasses. ________________________________________________________________. 7. 其他重要句型： It is important (necessary, right, strange, natural) that…（should+动词原形） It is said (reported, learned…) that… It is suggested (ordered…) that…（should）+动词原形 It is a pity (a sham) that …（should）+动词原形 It happens (seems, looks, appears ) that... It occurs to sb. to do / that…：使某人想起…… It is/ has been +一段时间+ since ...+过去时 It will be +一段时间+ before ... It looks ( seems ) as if … It is no wonder…：难怪 When it comes to…：当谈到…… It comes about that…：发生 8. appreciate, love, like, hate, see to(负责，注意) + it + 从句 巩固练习： 1. It took us over an hour ______ along the street. A. walk B. to walk C. walking D. walked 2. I think it a great honour ______to visit your country. A. to invite B. inviting C. having invited D. to be invited 3. Many people now make ______a rule to buy cards for their friends before Christmas. A. themselves B. it C. that D. this 4.______is very clear to everyone that he's round and tall like a tree.

高中语法it的用法

it的用法 一、考点聚焦 1、it的基本用法 （1）用作人称代词，代替前文提到过的事物。 The train has arrived. It arrived half an hour ago. （2）用以代替提示代词this, that。[来源:学,科,网Z,X,X,K] —What’s this? —It’s a knife. —Whose watch is t hat? —It’s mine. （3）起指示代词的作用，指一个人或事物。 —Who is knocking at the door? —It’s me. （4）指环境情况等。 It was very noisy(quiet) at the very moment. （5）指时间、季节等。 —What time is it? —It’s eight o’clock. It often rains in summer here. （6）指距离。 It is a long way to the school. （7）作形式主语。 It is not easy to finish the work in two days. It is no use crying over spilt milk. It is as pity that you didn’t read the book. （8）作形式宾语。 I think it no use arguing w ith him. I found it very interesting to study English. He made it clear that he was not interested in that subject. （9）用于强调结构。 It was Xiaoming whom(that)I met in the street last night. It was in the street that I met Xiaoming last n ight. It ws last night that I met Xiaoming in the street. It was I who met Xiaoming in the street last night. 2、含有“It is …”的句型 （1）It is time (for sb.) to do sth. It is (high) time that sb. did sth.(虚拟语气) （2）It is + 形容词（+of / for sb.）+ to do sth 通常用 of的词有brave、clever、careful、hopeless、kind、good、naughty、nice、silly、stupid、foolish、wise 等。 （3）It is + 形容词+ that + sb. + (should) do sth.（虚拟语气）[来源:学科网ZXXK] 能用于这个句型的形容词有strange、wonderful、natural、good、proper、right、wrong、well、fortunate、important、necessary、useless、likely、probab le、impossible等。有时可省去should而直接用动词原形。如：It is important that we should pay close attention to grain. It is natural that he（should）say so. （4）It is no use/ good + doing sth. It is no use trying again = It is of no use to try again. （5）It is + 被强调部分+ that/who + …[来源:学科网ZXXK][来源:Z+xx+https://www.wendangku.net/doc/d018318017.html,] Was it in the street that you met her? Who was it that called him“comrade”? It was not until yesterday that I met my old friend.

初中英语语法：it用作人称代词的用法

初中英语语法：it用作人称代词的用法 it用作人称代词的用法 1. 用于指事物 it用作人称代词最基本的用法就是代替前面已提到过的事物，以 避免重复： This is my watch, it’s a Swiss one. 这是我的手表，它是瑞 士制的。 I cannot find my watch; I must have lost it. 我找不到手表，我一定把它给丢了。 2. 用于指动物或婴儿 除用于指代事物外，还可指动物或性别不详的婴儿： “Where is the cat?” “It’s under the bed.” “ 猫在哪儿?”“在床下。” They got a baby and it was very lovely. 他们生了个孩子， 很可爱。 3. 用于上文提到的情况 He smokes in bed and I don’t like it. 他在床上抽烟，我不 喜欢他这样。 Her mother kept telling her not to go out at night, but it didn’t hel p. 她母亲老叫她晚上不要出去，但是没用。 4. 用于指人 it用于指人主要用确定未知人的身份： “Who is it?” “It’s me.” “是谁啊?”“是我。”

“Listen. Someone is crying.” “Oh, it must be Mary.” “听，有人在哭。”“噢，一定是玛丽。” Someone must have been here. But we have no idea who it was. 一定有人来过，但我们不知道是谁。 5. 指人时与he和she的区别 当it用于指人时，主要用于确定未知的或者是身份不明的人，若 是指已知的或身份明确的人，则应根据情况使用he或she。比较： I hear a knock at the door. It must be the postman. 我听 见有人在敲门，一定是邮递员来了。 Jim is at the door. He wants to see you. 吉姆在门口，他想 见你。 A tall man stood up and shook hands with her. It was the general manager. 一个高个子站起来同她握了手，他是总经理。 The general manager just called. He told us to wait for him at the gate. 总经理刚来过电话，他叫我们在门口等他。 6. 指物时与one的区别 两者均可代替前面提到的事物，区别是：it指的是与前面已提到 的事物为同一物，此时的it等于“the (this, that, my...)+名词”;而one 指的是与前面已提到的事物为同一类物，此时的one等于“a+ 名词”。比较： I have a dictionary but I’ve lent it to Mary. 我有一本词典，但把它借给玛丽了。 I haven’t a dictionary; can you lend me one? 我没有词典，你能借我一本吗?

(完整版)高中语法：it用法

It 的用法 It 可用作实词（代词）和虚词（助词）。实词it 指用于人称和前指（指刚提到的人或物），用于无人称时，做主语，表示时间，距离，天气等。虚词it 可用作形式主语或形式宾语，也用于构成的强调句型。（一）实词（代词） 1. 用作人称代词 1）指人。例如： Who is it? Is it you, Andrew ? Who is making such a noise ? It must be the children. 2）用作前指，代替前文提到过的人或事物。例如： What a beautiful baby ! Is it a boy ? You have saved my life; I shall never forget it. 3 ）代替指示代词this, that。例如： “What's this ?” “It'sa flag.” 4 ）代替一个双方既知所指的东西 How 'sit going with you ? 2. 用作非人称代词常用作没有具体意义的主语，表示气候，天气，温度，时间，地点，距离等。例如：1）指天气： It 'sdamp and cold. I think it 's going to rain. 2）指时间，季节等： “ what time is it ? ” “It is eight o 'clock. ” I hope it is spring all the year round. 3）指距离 It is five kilometers from the office to my home. 4）指环境，条件等 It was very quiet and peaceful here, It was becoming increasing dangerous. 5）“无人称it ”也用于表达下列2 个结构表达印象和可能性： It seems as if we've known each other for years, （印象） It looks as though I 'm going to fail the test 6）“无人称it ”还用于下列的表达中 as it is事实上So be it但愿如此，好吧That' s it !对，是这样！make it到达，成功（二）虚词（助词） 1. 作形式主语当动词不定式，动名词，或从句做主语时，通常把她们放在谓语后，而用it 做形式主语。例： It is not a good habit to stay up late. （it 表达不定式） It is no use crying over split milk. （it 代表动名词） It'sa waste of time your taking to him （it 表示动名词，动名词前可跟一个动名词） It'sa pity that you didn 'tread the book （it 代表that从句） 2. 作形式宾语 1）当复合宾语中的宾语是不定式，动名词或宾语从句时，往往把宾语放在它的补足语后面， 而用it 作形式宾语。 主语+believe/ consider/count/feel/find/imagine/ think/ make/suppose/take +it+ 宾语补足语（形容词

第二章 “It”用法及其句型和固定搭配讲解

第二章“It”用法及其句型和固定搭配讲解 "It" 用法及其句型和固定搭配，是高中英语语法的重点、难点，又是近几年高考的热点，因此应给予充分的重视，现将it用法归纳如下： 一、It用作实词 表达以下概念:指代前文提到的事物，前文中的this, that;替代前文中的内容;指代一位性别不明的小孩或未知的人;指代未指明但谈话双方都知道的那件事;指代时间、天气、气候、距离等自然现象…… 二、It用作形式主语 替代作主语的从句、动词不定式、动名词，而把真正作主语的从句、动词不定式、动名词置于句尾。 It 作形式主语的常见句型： 1. 代作主语的动词不定式，其句型为 (1) It be adj. (for sb.) to do sth. 此处adj. 通常为描述事件的形容词：easy, difficult, hard, necessary, unnecessary, possible, impossible, likely, unlikely, right, wrong, important, unimportant, legal, illegal, well-mannered, ill-mannered, polite, impolite, clear, obvious, certain, suitable, proper, fit, useful, useless, dangerous… 例 It is illegal (for a teenager) to drive a car without a license. (2) It be adj. of sb. to do sth. 此处adj. 通常为描述人的形容词：kind, unkind, nice, rude, cruel, considerate, thoughtful, thoughtless, careful, careless, silly, foolish, stupid, clever, wise, crazy. 例 It's kind of you to help me with the problem. (3) It替代作主语的动名词的常见句型 It's no good/use doing… It's (well)worth doing… I t's (well)worth one's while doing/to do… It's (well)worth while doing/ to do

“It”用法及其句型和固定搭配讲解

“It”用法及其句型和固定搭配讲解 “It”用法及其句型和固定搭配,是高中英语语法的重点、难点,又是近几年高考的热点，因此应给予充分的重视,现将it用法归纳如下: 一、It用作实词 表达以下概念：指代前文提到的事物,前文中的thiｓ，thaｔ;替代前文中的内容；指代一位性别不明的小孩或未知的人;指代未指明但谈话双方都知道的那件事；指代时间、天气、气候、距离等自然现象…… 二、It用作形式主语 替代作主语的从句、动词不定式、动名词，而把真正作主语的从句、动词不定式、动名词置于句尾。 It 作形式主语的常见句型： １. 代作主语的动词不定式,其句型为 (１）It bｅadj．(fｏr ｓb.)ｔo dｏｓth． 此处adj. 通常为描述事件的形容词：easy，ｄiffｉcult，hard，nｅcessaｒy,ｕnnecｅssa ｒｙ,possible，iｍpossible，liｋely，ｕnliｋｅly,riｇｈｔ，wrong，ｉmportant,uｎｉｍpoｒt ａnt，leｇal,illegal，wｅll-maｎｎerｅd,ill－manｎｅｒｅd,ｐolite,impolite，clｅar,obviｏu ｓ,cｅrｔaｉｎ,ｓuｉｔａble，ｐropeｒ，fiｔ，uｓefuｌ,useｌｅsｓ,ｄanｇeroｕｓ… 例Iｔis iｌlegａl(ｆｏrａｔeｅnagｅｒ）to dｒiveａcａr withoｕt a licens ｅ. (2）It be adｊ．oｆsb. toｄo sth. 此处aｄj．通常为描述人的形容词:kiｎｄ,uｎkind,ｎice，rｕdｅ，crueｌ，cｏnｓidｅraｔe，thoｕｇhｔｆuｌ，thｏｕgｈｔｌess,carefｕl，ｃareless,silly,foｏlish,ｓｔｕpid,clｅveｒ，ｗise,ｃｒａｚy. 例It＇ｓkiｎdｏf yｏｕto help me wiｔｈｔhe proｂlｅm. （3)It替代作主语的动名词的常见句型 It'ｓnｏｇｏod／usｅdｏinｇ… Ｉｔ＇ｓ（welｌ）wortｈdoｉng… It＇s（well）worth oｎe＇ｓwhilｅdoing/to do… Iｔ's（weｌl）ｗorth while doiｎg/ to do 例Ｉt＇s no usｅcryｉngｏvｅr ｓpilt milk. 2. Iｔ替代作主语的从句常见句型 （1）It is ＋nouｎ+从句 例Iｔis ｎo ｓｅcret thaｔtｈｅpresidentｗants ｔo hａve ａｓecond ｔerm at office． （2）It is adj. +cｌause Ｉt'ｓsｕrprisｉnｇtｈat…(ｓhould）………竟然…… It＇s a piｔy/ｓhame tｈat…(sｈould）………竟然…… 例It＇s importaｎt thａｔyｏu ｓｈoｕld apoｌoｇiｚe tｏher foｒyouｒrudeｎess.(=It's ｏf mｕch ｉmｐｏｒtａnｃｅthat yｏｕshｏｕld apｏlogｉze to ｈer for yoｕr rｕdeｎess．) （3）Iｔｖerｂsb. + claｕse= It ｉs v-ｉng + ｃlauｓe Iｔ+suｒpｒｉse/ｄeliｇht/inteｒｅst/ｄｉsaｐpoiｎｔ/ｗoｒry/diｓturｂ/ａｎnoy/amaze /ｂother/ｃonｃｅrn/ｆｒｉghten/pｌeａse/anger ｓb. ｔhat…