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it句型专练

It 句型专练

Notice：

1. 除谓语动词以外的成分都可用于强调句中;

2. 如原句时态为现在时或将来时，则be 用 is, 如原句时态为过去时,则 be用 was;

3. 当被强调部分指人时，既可以用that,也可用 who .

4.判断是否是强调句，可把It is / was …that 去掉,剩余部分在不增减任何词的情况下还是一个完整的句子，那么这种句子是强调句。

It was in the street that I met her father. →In the street I met her father.

It was because she was ill that they didn’t ask her to do the job.

→Because she was ill,they didn’t ask her to do the job.

5.注意区别强调句和定语从句：判断是强调句还是定语从句，可把It is / was …that/who去掉，剩余部分在不增减任何词的情况下可以还原成一个完整的句子，那么这个句子就是强调句，否则就是定语从句。

练习：1.It was ___ he said ____disappointed me.

A. what ; that

B. that; that

C. what; what

D. that; what

2. Is it in the factory _____ this type of cars are produced?

A. which

B. where

C. that

D. /

3. Is it the factory______ this type of cars are produced ?

A. which

B. where

C. that

D. /

4. _____ on Monday night that all this happened?

A. Is it

B. It is

C. Was it

D. It was

5. It was _____ the old worker came that we _____ the experiment.

A.until; didn’t begin

B. not until; began

C. until began

D. not until; didn’t begin

6. It is I ____ singing in the garden.

A. who are

B. who is

C. that am

D. that is

7. It was 1969___ the American astronauts succeeded in landing on the moon.

A. that

B. when

C. on which

D. which

8. It was the training _____ he had as a young man ____made him such a famous writer.

A. when; that

B. that; when

C. that; who

D. that; that

9. It ___ for this reason ___ her uncle moved out of New York.

A. is ... which

B. was ... why

C. was ... that

D. were ... How

10. Was ___ in 1998 ___ your teacher graduated from university?

A. that.., that

B. it... which

C. it... that

D. it... when

11. Was it during the Second World War ____ he died?

A. this

B. then

C. that

D. while

12.It is because English is being widely used at present ______.

A．why we learn it hard B．that we learn it hard C．which we must learn D．when we should learn

13.—Was it what he said or something that he did ______ made you cry so sadly，Sarah?

—No，not really.

A．which B．that C．when D．what

14．______ the people have become masters of their country ______ science can really serve the people. A．It is only then；that B．It was that；when

C．It is only when；that D．It was when；then

15．It was there，the police believe，______ she was able to activate the recorder she kept in her bag. A．until B．which C．that D．when

16．______ that so many people think that being perfect is the way to go?

A．It is why B．Why is it C．Why it is D．Is why it

17．When asked to explain ______ he does to make his students so enthusiastic about school，he pauses and thinks deeply.

A．what it is that B．that what it is

C．what is it that D．that what is it

18．It was ______I reached there ______ I began to know something about the matter.

A．until；when B．until；that C．not until；that D．not when；that

19.阅读时碰到一个生词查一个是不好的。(it作形式主语)

It’s no good __________(look) up every new word that you come across while reading.

20.我们相信教育的改善会导致一个更强、更加繁荣的社会。(it作形式主语)

___________________ improvements in education will lead to a stronger，more prosperous society. 21.作为一个人大代表，他把反映广大人民的意见作为已任。(it 作形式宾语)

As a NPC deputy，_____________________ to reflect people’s views.

22.昨天晚上我在音乐会上见到的人是你吗？(强调句一般疑问句形式，强调主语)

______________ that I saw last night at the concert?

23.事实是人口仍在增长。(替代that从句)

______________ the population is still increasing.

24.这是这个月你第三次来迟了。___________________that you’ve arrived late this month.

25. 用it翻译下面短文

这个星期是本学期的第三周。据说我们要上一节公开课，是关于it用法的。It的用法是很容易掌握的。能够有机会上这堂课，我们都很开心。提高教学水平、交流是很重要的。我认为有这样的学习机会非常好。希望各位老师能给出宝贵意见和建议。

It的几个特殊句型

It的特殊句型一、高考真题 1． (他突然想到) that he had an important conference to attend the next morning.( occur)（11高考78题）【答案】It occurred to him 【解析】本题考察的是occur引导的句型”it occurs to sb。that（某人突然想到）“根据后面的动词提示”had“，故要用一般过去时. 2.During his last lecture, the scientist_________ (觉得) easier to explain the theory to those with some background knowledge.(find)(09高考73题) 【答案】found it/ found （that）it was ks5u 【解析】考查句型结构。根据提示词find及后面的形容词easier可知此处可使用find it + adj.的结构，it后加be动词变做宾语从句也对，此句时态为一般过去时。 34. _______ _ (我花了) one thousand dollars to buy the painting last week. (cost) (08高考34题) 【答案】It cost me 【解析】考点：it做形式主语（特殊句式）关键词：It cost（★It不用不给分，cost写成co sted 扣0.5分）结构部分：It cost somebody how much money to do something 其它部分：me 二、考点分析 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，表语或状语。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 is your efforts, not your intelligence, __________(决定) your success. (determine ) It was about 600 years ago that the first clock with a face and an hour hand was made. 2. It is 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 ... 该句型和上一个同属一个句型。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。建议记住该句型中的形容词。 It is important that we (should) learn English well. It is necessary that he (should) remember these words. 5. It is said (reported, learned，believed....) 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. It is reported that another earth satellite has been put into orbit. 6. It is suggested (ordered ... ) that ...

2020年中考考前词汇句型专练(Word版含答案)

2020年中考最新词汇和句型专练 (时间：50分钟满分：100分) 一、词汇考查(共40小题;每小题1分，满分40分） 1. When we walk___________(cross )the road,we should follow the traffic rules. 2. Though the little boy is only three years old, he can dress___________(he). 3. When you learn English, you should pay more attention to your____( pronounce). 4.Henry is a/an___________( dishonest )boy,so his friends all like him. 5. Who jumps___________(far), Mike or George?-Mike does. 6.___________(luck), this man lost his wife and two children in the earthquake. 7. What are you doing?I am reading a book___________(write)by Mo Yan. 8. Bill wants to invite some friends to hi___________s(nine)birthday party. 9. Some___________(German)came to this international school last Friday. 10. Everyone is looking forward to___________(have)a bright future. 11.__________(listen) to music too loud for too long can do some serious damage to your ears. 12.It's important to always be___________(thirst)for knowledge. 13. When Tom___________(ask)why he was late for school, he just kept silent. 14, The medicine is not a new__________(discover).It's been known about for years. 15.A man's voice is usually___________(low)than a woman's. 16. Tomorrow is my grandfathers__________(eighty)birthday and we'll have a party for him. 17.Nowadays it seems that it is more difficult for the doctors to get on well with thei r ___________(patient). 18. They couldn't believe their ears when they got the ___________(expected) result. 19. I've___________(read)this article again and again, but I still can't understand it. 20.He___________(help)his mother with housework when I called him at 6 o'clock last evening. 21. Please pass me the(___________six)dictionary from the left in the bookcase. 22. We can read about everything in books. They provide hope to___________(we). 23. How long does it take you to get to school? ---About 20___________(minute)by subway. 24. The world's first computers were___________(big)than cars. ---Wow! They used to be so large. 25.There are several ways to stay healthy when seasons change.You should wash your hands___________(careful), exercise, eat and sleep well. 26 Mr. Smith, do you think teenagers must be kept away from the Internet? ---No, I________(agree )with this. The Internet can help learn more about the world. 27. Mary and Tony are a pair of pet pigs. The two have recently got a special license so that their ___________(own) can take them for a walk. 28.Mrs. Dean was___________(thank)to the policemen who had helped her kids arrive safely. 29. The Green family__________(hold )a party at home when the earthquake began. 30. There is a little girl___________(sell)flowers on the square. B.根据句意和首字母填单词。

(完整版)语法系列之it句型练习题.docx

语法系列之 it 句型练习题句型 it is / was +被部分+ that / who + 其它部分除之外的其它部分 e.g. 1It was my younger sister that / who I went to the cinema with. e.g. 2It was Trump who became the President of America the day before yesterday. e.g. 3It is ____________________ that makes a difference.是你做的事而不是你的有作用。 1.句型的形 it is / was not until?that? e.g. 4It was not until yesterday that I knew the truth. e.g. 5It is ____________________ him.直到昨天他才听到他的消息。 e.g. 6It ____________________ she got home.她直到午夜才回家。 2.形式主 (1) it + be + V-ed that e.g. 7It is known to us all that Taiwan belongs to China. e.g. 8It is said that she would go abroad. e.g. 9____________________ the company earned one million last year.据道家公司去年盈利一百万元。 (2)it + be + ADJ + of / for sb to do e.g. 10 It is kind of you to help me. e.g. 11 It is wise of you to call the police. e.g. 12 It ____________________ the task on time. 我来按完成任很困。 (3)it + be + ADJ / N + doing e.g. 13 It ’ s funny playing in the water. e.g. 14 It is ____________________ with him.和他争是浪。 3.形式 make / find / think / consider it + ADJ / N (for sb) to do e.g. 15 ________________________________________ (for us) to live an easy life.先技使我能否上舒适的生活。 e.g. 16 I found it difficult for him to finish his task on time. e.g. 17 We think / consider it a great honour ____________________.我被邀到会是无上的荣耀。 4.某人突然想到 it hits / hit sb that? it occurs / occurred to sb that? it strikes / stroke sb that? it comes / came to sb that? it crosses / crossed one’ s mind that? e.g. 18It occurred to me that the criminal might have fled out of the city. e.g. 19 It crossed my mind that ____________________.我突然想到他可能已离开家了。

it开头的惯用句型

it开头的惯用句型【疑难点津】it常放在句子开头，作某些惯用或固定句型的主语。常见句型有： 1.“it+be+特定动词的过去分词+that从句”。这样的过去分词有：said, reported, believed, known, decided, proved, thought, arranged等。如： It is said that my German teacher often goes to Germany to do research.据说我的德语老师经常去德国做研究。 2. “it +特定动词+ that从句”。这样的特定动词有：appear, happen, occur, seem等。如： It never occurred to me that I would travel to America.我从没想过我会去美国旅行。 3. “it +特定动词+ as if从句”。这样的特定动词有：appear, seem等。如： It appears as if you are very tired.看起来你好像很累。 4. “it has been/is +一段时间+ since从句”。从句中谓语用短暂性动词时表示“自从该动词动作发生以来有一段时间了”；用持续性动词时表示“自从该动作结束以来有一段时间了”。试比较： It is six years since I began to work here.自从我在这儿工作以来已经有六年了。 It has been six years since I worked here.我不在这儿工作已经有六年了。 5. “it +be+一段时间+ before从句”。从句中谓语用短暂性动词；主句中be动词可以用肯定式或否定式，其时态可以是一般过去时或一般将来时。常译为“……才……”或“……就……”。如： It won’t be a long time before we finish cooking.不久我们就会把饭做好。 It was four days before they found the lost child.过了四天他们才找到那个失踪的孩子。 6. “it is (high) time + that从句”。表示“到了某人该做某事的时间了”，从句谓语要用一般过去时，也可用should do的形式。另外“it is (high) time for sb. to do sth”,也表示同样的意思。如： It is high time that I went to see my mother in the hospital.到了我去医院看妈妈的时间了。 It is time for you to do your homework.到你做家庭作业的时间了。 7. “it is/was +强调内容+ that/who从句”。这是一个强调句型，强调的内容是事物或是指人的宾语时，常用that引导从句；强调的内容是指人的主语时通常用who引导从句。如：It is in the street that I came across Mr. Li.是在街上我碰到了李先生。 It was my friend who picked me up at the station. 是我朋友在车站接上我的。【考题链接】 was in 1979 I graduated from the university. (1998上海卷) A. That; that B. It; that C. That; when D. It; when When you are old and grey and full of sleep, And nodding by the fire, take down this book,

句型转换专项训练

五六年级重难点句型转换专项训练 1.Class begins at eight o’clock.（对划线部分提问） __________________ does class ___________? 2.I can read very well.（变成否定句） I ____________ _________ very well. 3.We read books in the classroom.（变成否定句） We ___________ _________ books in the classroom. 4. I have breakfast at half past six.（对划线部分提问） ______________ do you have breakfast? 5. Sam goes home by bike.（对划线部分提问） __________ __________ home by bike? 6.Sam goes home by bike.（对划线部分提问） __________ _________ Sam ________ home? 7.Lingling is a good girl.（对划线部分提问） ________ is a good girl? 8.We go home at 5 o’clock in the afternoon.(对划线部分提问) _____________ do you go home _________________? 9.The boys are playing in the playground.（对划线部分提问）____________ are the boys _____________? 10.We go home at 5 o’clock .（改成yesterday的过去式） We__________ home at 5 ________ _______________. 11.Mum is sleeping in the bedroom.（对划线部分提问）

It-is-+-adj.-of(for)-sb.-to-do句型讲解与练习

选择题: 1. It’s clever ___ you ___ so many toy ships. A.of; making B. of; to make C. for; to make D. for; making 2. It’s ___ for us ___ polite in class. A.interesting, to become B.good, to C. important, to be D. necessary, to be 3. ___ careless of you to make lots of mistakes.

A. That’s B. It’s C. It D. Its 4. It’s very nice ___ you to get me two tickets ____ the World Cup. B.of;of C. to;for D. of; to A.for;of ticket for/to sth 5. ---I often have hamburgers for lunch. ---You’d better not. It’s bad for you _____too much junk food（垃圾食品）. A.eat B.to eat C.eating D. ate 6. It’s good for us ______ every day. A. play sports B. playing sports C. to play sports D. to playing sports 汉译英： 1. 你来帮助我，你真是太好了。nice 2. 对他来说学两门外语是很难的。hard、difficult 参考答案：1---6: BCBDBC 1.it is very nice of you to help me. 2. it is very hard for him to learn two foreign languages.

常用it作形式主语的句型结构

常用 it 作形式主语的句型结构 ?It + be +形容词+ that-从句可用于此句型的形容词有 : wonderful, true，good，right，wrong，(un)important ，useless，surprising， clear, unusual, lucky, certain, necessary等。女口： ①It isquite certain that hewill be at the meeting. ②It is surprising that he came late to school this morning. ③It isimportant that we(should) study hard 注意：该句型中的形容词是(un) important, necessary等时，从句应为(should )+动词原形。 ?It + be + -ed 分词 + that-从句适用该句型的过去分词主要有：said,reported, announced,hoped,thought, told, believed, expected, decided, suggested,known 等。如： ①It ishoped thatonedaytheywill haveenoughanimalsto setthem free ②It is well known that the earth goes around the sun. ③It is suggested that the sports meeting (should ) be put off until next week. 注意：该句型的过去分词是suggested时，从句应为(should )+动词原形。 ?It + be + 名词 + that-从句适用该句型的名词 (词组) 有：apity, anhonor, agood thing, afact, asurprise, goodnews, one's duty 等。如： ① It isapity (that)you missedthesportsmeetinglastweek. ② It isafactthatEnglish isbeingacceptedasaninternational language. ?It ＋seem／ appear／ happen 的适当形式＋ that 从句。该句型常可以转换成含不定式的简单句。如： ①It seemsthat thereisabig wastepipecomingdown from the town. T There seemsto be a big waste pipe coming down from the town. ②He appearedto becalm,but insidehisheartwasbeatingwildly with fear. t It appearedthathewascalm,butinsidehisheartwasbeatingwildly with fear. ?It does n't matter ( It 'no won der; It does n 'make much differe nee 等) ＋ when/ where/ which/ whether 等从句。如： ①Does it matterif hecan'tfinish thejob ontime? ②Theyareallclassmates. It isnowonder they should help eachother with their studies. ?It + be+ adj./ n. (for sb./ ofsb.)+ todosth. 该句型中的形容词通常是表示事物的特点或特征的如 difficult , hard, easy, impossible, necessary, important 等,此时用 fo r ；或表示人的性格特征或特点的如nice, good, bad, kind, silly, foolish, wise, clever, careless, rude, brave, cruel, careful, grateful等，这时要用 of。如： ① It is foolish of you to give up such a good chance. ② It is necessary for college students to master at least a foreign language It 作形式主语常见句型动词不定式，动名词或主语从句作主语时，通常把它们放在谓语动词前，而用 it 作形式主语，放到句首，常见句型有：

部编人教版小升初句型专项训练题

部编人教版小升初句型专项训练题教师导语：所有句型中，考点最高的是病句，容易出难点的也是病句，所以小升初的同学切记要着重复习巩固病句。一、缩句缩句方法点拨： 1、抓住主干来缩简。抓句子的主干，“谁做什么”或者“什么怎么样”。如：铁球同时从高处落下来。“什么”——铁球；“怎么样”——落下来。 2、“地”前限制要删去。“的”前修饰都删去。“得”后补充说明也删去。如“海力布着急地没办法。”中“没办法”是对“着急”的程度进行补充说明的，它也要删去。这句话缩写为“海力布着急。” 3、数量词语照样删。如“罗丹塑了一座女像。”中“一座”这个表示数量的词语可删去。这句话缩写为“罗丹塑了女像。” 4、删掉“在……中(里、下)”表示特定的条件和环境的词组。例如：在学习雷锋的活动中，我们取得了进步。应缩短成：我们取得了进步。 5、句子中的“不、无、没有”等否定词，缩句时要保留，否则有可能颠倒句子的原意。如：我在屋里没有找到那个装书的包。应该缩成：我没有找到包。 6、句子中谓语后的“着、了、过”和宾语后面的“啊、吗、呀、呢”等语气词要保留。如：大家一起登上了举世闻名的长城。缩句为：大家登上了长城。又如：昨天晚上下的这场大雨真是一场及时雨啊！缩句为：这场大雨真是及时雨啊！练习巩固 1.这是一部叫人看过之后就不会忘却的影片。 2.《清明上河图》是我国古代绘画中极其珍贵的代表作品。 3.山民的几句朴素的话包蕴着意味深长的哲理啊！ 4.我们像百灵鸟一样在祖国的大花园里放声歌唱。 5.秦始皇兵马俑吸引了世界各地千百万慕名而来的参观者。

6.我国体育健儿顽强拼搏的事迹深深地激励着我们。 7.我的脑海里立即浮现出名模镇守扬州英雄英勇牺牲的史可法。 8.著名的刘家峡发电站不仅是整个西北电力网的枢纽和核心，也是黄河流域的著名景观。 9.许多中国来游览的外宾，看到詹天佑留下的伟大工程，都赞叹不已。 10.雅鲁藏布大峡谷的发现是我国几代科学家长期艰辛努力的结果。（缩句）二、病句※ （一）方法指导 1.成分残缺：句子里缺少了某些必要的成分，意思表达就不完整，不明确。例如：“为了班集体，做了很多好事。”谁做了许多好事，不明确。 2.用词不当：由于对词义理解不清，就容易在词义范围大小、褒贬等方面用得不当，特别是近义词，关联词用错，造成病句。例如：“他做事很冷静、武断。”“武断”是贬义词，用得不当，应改为“果断”。 3.词语搭配不当：在句子中某些词语不能相互搭配或者是搭配起来不合事理，造成了病句。包括一些关联词语的使用不当。例如：“在联欢会上，我们听到悦耳的歌声和优美的舞蹈。”“听到”与“优美的舞蹈”显然不能搭配，应改为“在联欢会上，我们听到悦耳的歌声，看到优美的舞蹈。”例如：“如果我们生活富裕了，就不应该浪费。”显然关联词使用错误，应改为“即使我们生活富裕了，也不应该浪费。” 4.前后矛盾：在同一个句子中，前后表达的意思自相矛盾，造成了语意不明。例如：“我估计他这道题目肯定做错了。”前半句估计是不够肯定的意思，而后半句又肯定他错了，便出现了矛盾，到底情况如何呢？使人不清楚。可以改为“我估计他这道题做错了。”或“我断定他这道题做错了。” 5.词序颠倒：一句话里面的词序是固定的，词序变了，颠倒了位置，句子的意思就会发生变化。例如：“语文对我很感兴趣。”“语文”和“我”的位置颠倒了，改为“我

it句型综合练习题

1.It was about 600 years ago______the first clock with a face and an hour hand was made. 2.It was not until she took off her dark glasses _____ __ I realized she was a famous film star. 3.It is necessary that he ________(remember) these word s. 4.______ is reported that another man-made satellite has been put into orbit . 5.Another man-made satellite is reported __________(put) into orbit. 6._______is reported, another man-made satellite has been put into orbit. 7._____is reported is that another man-made satellite has been put into orbit. 8.It is suggested that the meeting________(put) off. 9.It is a pity that such an important essay _______(have) so serious a mistake. 10.It was ordered that we _______(arrive) there in two hours. 11.It is high time that tough measures _______(take) to solve the problem. 12.That was the last time that I _______(see) her. 13.It is important that we ________( learn) English w ell. 14.It is typical ____ him to tell lies when he does something wrong. 15.It __________ 5 years since his father died. 16.It was October 1st _______ China was founded. 17.It was 3 days _______ he went to Beijing. 18.It __________(碰巧)that he encountered an old friend in the street. 19.It took thousands of people many years ________(b uild)the Great Wall. 20.It is no good _______(learn) English without spea king English. 21.It will be not long _______ he finishes his job . 22.It seemed as if he ______(be) mad. 23.____is a hard job for the police to keep order in an important football match. 24.____used to be thought that the earth was square . 25.We had to be patient because it____some time ___ _we got the full results.

九年级it用法及练习

It的用法总结在英语中,it有许多不同的用法,它既可以用作代词(如人称代词、非人称代词)，也可以用作引导词（作形式主语或形式宾语），还可以用来构成强调句型。 1.it用作代词 (1) 用作人称代词在句子中作主语或宾语；指前面已经提到过的事物、动物或人，且it指特定的事物；如果指前文中提到的事物中的任何一个，用one。one可以与any, each, every, not等连用，但one不可代替不可数名词。 —Where's your car? —It's in the garage. 你的汽车在哪儿呢？在车库里。(指代物品your car) Did you hit it? 你打中了吗？(指代事件) The baby cried when it was hungry.这婴儿饿时就哭。（指代婴儿，尤指性别不详或无所谓时）—Who is that? —It's me. 是谁？我。(指一定情景中所确定的人或事物，此时相当于指示代词，代指this和that,有时也指人) —What's this? —It's a box. 这是什么？一只箱子。 (2) 作非人称代词表示天气、日期、时间、温度、距离、价值、路程、度量、自然现象与环境等。也可模糊地指一般情形或上文的部分或整个意思。译成汉语时，it通常不一定译出来。 It's a long time since they left. 他们走后很久了。 It's two miles to the beach.离海滨有两英里远。 That's just it—I can't work when you're making so much noise.原因就在这里——你弄出这么大的声音，我工作不了。另外，需要注意两点：（1）“It's time…”后面可以接不定式和介词短语表示“是做……的时候了”。如： It's time for supper. It's time to have supper. (2) “It's time…”后面还可以接一个从句，但是从句中的谓语动词一定要用过去式即虚拟语气，如： It's time we had lunch.是我们吃饭的时候了。 It's time we started.是我们该出发的时候了。 2.it用作引导词 (1) 作形式主语由动词不定式、动词-ing短语或名词性从句担任主语的句子，常用it来作形式主语，而把真正的主语放在句子的后面。 It's not easy for us to learn English well. [句型为: It +be+形容词+（for sb.）to do sth.] It's foolish of you to say that to her. [句型为: It +be+形容词+（of sb.）+to do sth.] It's no use/good/help…sleeping too much. (句型为: It +be+名词+doing) It's important that we be there on time.（句型为: It +be +形容词+that从句） It's high time that Tom went to school. (句型为: It +be +time +that从句，从句中的动词用过去时) It was the second time that he had telephoned me that day. [句型为: It +be+ the first(second, third)time +that从句]（that从句中动词用完成时） +that过去分词: It +be+句型为It was arranged that they should leave the following winter. ( 从句)

It构成的句型小结

It 构成的句型小结一、It 作形式主语的句型为使句子平衡，往往把 it 置于句首作形式主语，而把真正的主语(通常是不定式短语、动名词短语或主语从句)移至句末。 It 作形式主语的句型有：㈠ it 代指不定式短语的句型 1. It takes + (sb.) + sometime / some money + to do sth. 做某事花去某人多长时间 Just a minute, it won't take me long to change. 等一下 ,我很快就可以换好衣服。 It takes five minutes to walk there. 走到那里需要 5 分钟。 It took me three days to prepare for the examination. 我花了三天准备那次考试。 It takes a lot of money to buy a house like that. 买那样一幢房子需要很多钱。 2. It takes + 名词 + (for sb.) to do sth. .................. 某人做某事需要 It took great imagination as well as patience for Annie to teach me to speak. 对安妮来说，教我说话需要极大的信心和想象力。 It takes time for them to prepare for the great changes that take place in space. 他们需要很多时间准备应付太空中所发生的巨大变化。 3. It is + 形容词+ (for / of sb.) to do sth. 某人做某事是... 的 for sb. 的句型常用于表示事物的特征特点，表示客观形式的形容词，如easy, difficult, hard, important, possible, impossible, comfortable, necessary, better 等。 of sb 的句型一般用表示人物的性格，品德，表示主观感情或态度的形容词，如kind, nice, stupid, rude, clever, foolish, thoughtful, thoughtless, brave, considerate( 考虑周到的), silly, selfish( 自私的) 等。 It was kind of you to help us. 谢谢你对我们的帮助。 What time would it be most convenient for me to call again? 什么时候我再给你打电话最合适？ It 's very good of you to have listened to me. 感谢你能听我讲。 4. It is + 名词+ to do sth. 做某事是..... 的常用于该句型的名词有： manners, duty, fun, good, a great honour 等。 As a student, it is bad manners to come late to class. 作为学生，上课迟到是没有礼貌的。 It is our duty to pay taxes to our government. 向政府交税是我们的义务。 5. It is + one ' s turn + to do sth.轮到某人做某事 It was my turn to clean the blackboard. 轮到我擦黑板了。 It is his turn to take the children to school. 今天该轮到他送孩子们上学了。 6. It is + up to sb. + to do sth. 做某事是某人的责任或义务 It 's up to us to give them all the help we can. 我们理应竭尽所能地给予他们帮助。 It 's up to you to decide whether to go or not. 应该由你决定是否去。 Up to you! 由你来定！㈡ it 代指动名词短语的句型 7. It is + 名词+ doi ng sth. 做某事是..... 用于该句型的名词有：no good, no use 等。 It 's no use talking to him about it. 和他谈论此事是没用的。 It 's no use/good (in) crying over spilt/spilled milk. 事已至此，后悔也无用。(牛奶已泼，哭也没用。) 8. It + be + 名词 + that 从句用于该句型中的名词有： a pity, a shame, a fact, an honour, a wonder, a good thing, good news, no wonder 等。惯用句型有： It is com mon knowledge that ........ 是常识

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