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必修二unit2语法讲解将来时被动语态

必修二unit2语法讲解将来时被动语态
必修二unit2语法讲解将来时被动语态

必修二,unit2语法讲解一般将来时的被动语态[学习中的语法]

①Only athletes who have reached the agreed standard for their event will be admitted as competitors.

②And after that the 2012 Olympics will be held in London.

③A new village for the athletes and all the stadiums will be built to the east of London.

④I shall be invited to speak at the opening ceremony.

⑤We shan’t be asked to be there before eight.

⑥They won’t be stopped outside the stadium.They have tickets.

⑦Shall I be admitted into the stadium?

⑧Will he be cheered up by the watchers when competing in the race?

[我的发现]

(1)上述例句中加黑部分的时态为___________的被动语态;其谓语动词的构成为:_____________。

(2)例句①~④为一般将来时被动语态的肯定句,其结构为:主语+______________________+其他。

(3)例句⑤和例句⑥为一般将来时被动语态的否定句,其结构为:主语+__________+过去分词+其他。

(4)例句⑦和例句⑧为一般将来时被动语态的一般疑问句,其结构为____________+过去分词+其他?

一、定义

一般将来时的被动语态表示主语为动作的承受者,且动作发生在将来某一时刻或阶段。

二、一般将来时的被动语态的构成

其基本构成为:“shall/will+be+过去分词”,其中shall常用于第一人称,will用于各种人称。

The building will be built next month.

这栋楼将下个月开工。

The little girl will not be allowed to watch TV if she doesn’t finish her homework.

如果完不成作业,小女孩不能看电视。

1-1.用所给词的适当形式填空

①A new bridge _______________(build) next year.

②I ____________________(give) a bike as my present tomorrow.

③_______those old buildings ____________(pull) down next week?

④(湖南高考)Don’t worry. The hard work that you do now ________ later in life.

A.will be repaid B.was being repaid C.has been repaid D.was repaid

三、一般将来时被动语态的用法

1.表示根据计划或安排将要发生的被动的动作。常与表示将来的时间状语连用,或暗含将来的时间。

These books will be published next week.

这些书将于下周出版。

2.表示有固定性条件就有规律性结果。

Heated to 100℃,water will be turned into steam.

加热到100℃时,水将会变成水蒸气。

[点津]在时间、条件状语从句中用一般现在时的被动语态代替一般将来时的被动语态。

2-1.完成句子

①More trees _____________(plant) and new roads ________(build) here next year.

②We shall_be_punished if we break the rule.

③If you park your car in the main road, you_____________(fine)

④When the dam_________(complete)the river ill be controlled.

⑤(安徽高考)—What do you think of store shopping in the future?

—Personally, I think it will exist along with home shopping but ________.

A.will never replace B.would never replace

C.will never be replaced D.would never be replaced

⑥(湖南高考)In the near future, more advances in the robot technology ________ by scientists.

A.are making B.are made C.will make D.will be made

四、一般将来时的其他常见的被动语态形式

1.be going to be done常用来表示按计划或安排将要发生的被动动作。

The letter is going to be typed and sent off immediately.

2.be to be done的用法:

(1)表按计划或安排即将发生的被动动作。

The question is to be discussed at the next meeting.

定于在下次会议上讨论这个问题。

(2)表示“应该”,意思相当于should,可用来征求对方意见。

What is to be done next?

下一步该怎么办?

(3)表示“必须”,意思相当于must或have to。

The work is to be finished before lunch.

这项工作必须在午饭前做完。

3.be about to be done常用来表示马上就要发生的被动动作。

The polluted water is about to be cleaned.

被污染的水源即将被净化。

3-1.完成句子

①这座旧图书馆明天将被拆除。

The old library is going to _____________(pull down)_ tomorrow.

②运动会将于四月十日举行。

The sports meeting __________________(hold) on April 10.

③你的家庭作业要在星期四前上交。

Your homework is to__________(hand )in before Thursday.

④这些困难即将被克服。

These difficulties are about ___________(_overcome).

⑤(新课标卷)The discovery of gold in Australia led thousands to believe that a fortune ________.

A.is made B.would make C.was to be made D.had made

解析:根据选项此题考查时态和语态。make fortune“发财”,make在句中需要使用被动形式,因此排除B和D,题干中led提示时间为过去,因此选择C。be to do“将会将要”,was to be made表示过去将来。句意:在澳洲金矿的发现使千百人相信将会发财。

五、应注意的几个问题

1.短语动词变被动语态时不能漏掉介词或副词。

The problem will be referred to in the meeting.

会上将提及这个问题。

①The little girl will be taken care by the old man.

②The similar problem will be paid attention by them in their following task.

2.含有双宾语的主动句变为被动语态时,应根据需要将其中的一个宾语变成被动句的主语,另一个宾语保留不变。

My aunt will buy me a shirt as my birthday present.

→I will be bought a shirt (by my aunt) as my birthday present.

我姑姑将要给我买件衬衫作为我的生日礼物。

[点津]如果把直接宾语改为主语,则在间接宾语前加to或for。如上句可以改为:

A shirt will be bought (by my aunt) for me as my birthday present.

①My brother will give me a book.

→I_______________________________________

→A_book__________________________________

②You will notice the change happen next day.

→The_change_will_be_noticed_to_happen_next_day.

Ⅰ.单项填空

1.Computers________ in everyday life in this country before long.

A.are used B.will use C.will be used D.was used

2.A new gymnasium________ on the south of the city next month, where we will hold a sports meeting. A.is being built B.will be built C.had been built D.has been built

3.It is said that the computer design problem________ this afternoon.

A.will discuss B.is going to be discussed

C.is going to discuss D.has been discussing

4.The wet weather will continue tomorrow when a cold front________ to arrive.

A.is expected B.is expecting C.expects D.will be expected

5.The 2018 Olympic Games________ in Rio de Janeiro,Brazil.

A.hold B.are to hold C.is to be held D.are held

6.The river will be further polluted unless some measures________.

A.will be taken B.are taking C.have taken D.are taken

7.The mayor says that all construction work建设工作________in 2018.

A.has been completed B.has completed

C.will be completed D.will have completed

8.The class________ on everything they have learned this year.

A.is going to examine B.are going to be examined

C.is going to be examined D.are going to examine

9.If the film________ in our school, we’ll go and see it.

A.will be shown B.is shown

C.was shown D.is to be shown

10.An important meeting________ in the hall next week.

A.are to be held B.is to be held

C.are holding D.will hold

Ⅰ.用所给动词的适当形式填空

1.When the car factory ________________ (complete), it will bring more jobs to our city.

2.Some new computers ________________ (send) back to the factory to be repaired tomorrow. 3.Hundreds of jobs ________________ (lose) if the factory closes.

4.I ________________ (not allow) to enter my school if I don’t get off my bike at the school gate. 5.The problem ________________ (solve) if you really understand it and find the right method.

初中被动语态语法讲解知识讲解

初中被动语态语法讲 解

初中被动语态语法讲解 (一) 语态分类 英语动词有两种语态,主动语态和被动语态。主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者。如: They will build a new bridge over the river. (主动) A new bridge will be built over the river. (被动) 汉语中常用“被”、“给”、“由”、“受”等词用来表示被动,而英语用: 助动词be + 及物动词的过去分词构成。 (二) 被动语态的时态、人称和数的变化 主要体现在be的变化上,其形式与系动词be的变化形式完全一样。不同时态的被动语态,列表如下: 一般现在时:am / is / are + done 一般过去时:was / were + done 一般将来时:shall / will + be done 一般过去将来时:should / would + be done 现在进行时:am / is / are + being + done 过去进行时:was / were + being + done 现在完成时:have / has + been + done 过去完成时:had + been + done 将来完成时:shall / will + have been + done 过去将来完成时:should / would + have been + done [注]被动语态没有将来进行时和过去将来进行时。 (三)常见的八种时态中的被动语态 1. 一般现在时: (1)People grow rice in the south of the country. Rice is grown in the south of the country. (2)The school doesn't allow us to enter the chemistry lab without a teacher. We are not allowed to enter the chemistry lab without a teacher. 2. 一般过去时: (1)They agreed on the building of a new car factory last month. The building of a new car factory was agreed on last month. (2)The students didn't forget his lessons easily. His lessons were not easily forgotten 3. 一般将来时: (1)They will send cars abroad by sea. Cars will be sent abroad by sea. (2)They will give plenty of jobs to school-leavers. Plenty of jobs will be given to school-leavers. 4. 过去将来时: (1)The manager said they would complete the project by the end of the year. The manager said the project would be completed by the end of the year. (2) The workers told me they would mend the car as soon as possible. The workers told me that the car would be mended as soon as possible. 5. 现在进行时: (1)The radio is broadcasting English lessons. English lessons are being broadcasted on the radio. (2) We are painting the rooms. The rooms are being painted. 6. 过去进行时: (1)The workers were mending the road. The road was being mended.

人教版高中英语必修二unit2__基础检测题

高中英语学习材料 madeofjingetieji 名师精练:Unit2 基础检测题 Ⅰ.语法和词汇知识 1.(2012·高考陕西卷)—The trip shouldn’t take more than an hour. —________.It is at least two hours. A.I guess so B.That’s it C.You must be joking D.It depends 2.On ________ Earth Day,people are requested to follow________ rules of “reduce,reuse and recycle”. A.the;/ B./;/ C./;the D.the;the 3.Putin has won the Russian’s presidential election as expected,over which many hold the opinion that he ________it in terms of his contribution to the country. A.permits B.deserves C.admits D.preserves 4.So severe was the earthquake ________ the country had to start a huge rescue operation. A.and B.so C.that D.as 5.He works very hard in order to get himself________ into a key university. A.accepted B.received C.announced D.admitted 6.I bought a dress for only 10 dollars in a sale;it was a real________. A.exchange B.bargain C.trade D.business 7.Our bodies are strengthened by taking exercise.________,our minds are developed by learning. A.Probably B.Likely C.Similarly D.Generally 8.Sam _____some knowledge of the computer just by watching others working on it. A.brought up B.looked up C.picked up D.set up 9.The young man couldn’t afford a new car.________,he bought a used one. A.Besides B.Otherwise C.Instead D.Still 10.—He ought to have been warned of the danger.

初中被动语态详细讲解上课讲义

初中被动语态详细讲 解

语法专练---被动语态 一、语态概述 我吃了一个苹果,那现在苹果怎样了?苹果被我吃了。正如汉语中的被字句,英语中的“被 字句”我们称之为被动语态。英语中有两种语态:主动语态和被动语态。英语的语态是通过动词形 式的变化表现出来的。 主动语态表示主语是动作的执行者。巧记为:主动、主动、主去动。例如:Many people speak English. 谓语:speak的动作是由主语many people来执行的。 被动语态表示主语是动作的承受者,即行为动作的对象。巧记为:被动、被动、主被动。例 如:English is spoken by many people.主语English是动词speak的承受者。 例如:He opened the door.他开了门。(主动句) The door was opened.门被开了。(被动句) 二、被动语态的构成 被动语态由“be+及物动词的过去分词”构成。不及物动词本身没有被动语态。 及物动词---本身意义不完整,后必须带宾语,有些还可以带双宾。 不及物动词---本身意义完整,不需要带宾语,如带宾语必须通过介词。 人称、数和时态的变化是通过be的变化表现出来的。现以eat为例说明被动语态在各种时态中的 构成。 一般现在时:am/is/are+eaten 一般过去时:was/were+eaten 一般将来时:will/shall/be going to be+eaten 过去将来时:would/should/be going to be+eaten 现在进行时:am/is/are being+eaten 过去进行时:was/were being+eaten 现在完成时:have/has been+eaten 过去完成时:had been+eaten 歌诀是:被动语态be字变,过去分词跟后面。 三、被动语态的用法 (1)不知道或没有必要说明动作的执行者是谁。 例如:some new computers were stolen last night. 一些新电脑在昨晚被盗了。(不知道电 脑是谁偷的) This book was published in 1981.这本书出版于1981年。(没有必要或说出出版者) (2)强调动作的承受者,而不强调动作的执行者。 例如:The window was broken by mike.窗户是迈克打破的。 This book was written by Lunxun.这本书是他写的。 Eight hours per day for sleep must be guaranteed.每天8小时睡眠必须得到保 证。 歌诀:谁做的动作不知道,说出谁做的没有必要;动作承受者需强调,被动语态运用到。 (3) 为了更好地安排句子。 例The well-known person got on the bus and was immediately recognized by people. (一个主语 就够了) 四、主动语态变被动语态的方法 (1)把主动语态的宾语变为被动语态的主语。 (2)把谓语变成被动结构(be+过去分词) (根据被动语态句子里的主语的人称和数,以及原来主动语态句子中动词的时态来决定be的 形式)。

高中英语必修二知识点总结

欢迎使用,祝您学有所成。 第一单元 1)state 指“国家”时,常表示“政权,国体”等政治性概念,首字母常常大写。 表示“状态,情况”时,为可数名词,常作单数;in a state表示“处于混乱或者是不整洁的状态”;get into a state变得十分紧张。 in state 庄严堂皇的,隆重的 state也可以作动词,表示“陈述,阐明,声明”,多用于正式场合或者是公文,商务信函,日常用语中应该避免。 表示“据说,据称”常用于it或者sb/sth作主语的被动句中。 2)rare 作形容词,表示“罕见的,稀少的,稀有的,难得的”,可形容人或者是物。 rare也可以指肉,表示“未熟的,半熟的”。 rare也是作副词,相当于rarely,意思是“很,非常”。 rare和and连用,相当于一个副词,意思是“很,极,非常”。 3)belong 不能用于被动语态和进行时。 belong in 适宜于,用利于,应该用在……。 4)gift 表示“礼物”。 表示“天赋,才能”后接for或者是of。 表示“捐赠”常与of连用。 5)melt 表示“融化,溶解”。 melt into逐渐融入,逐渐变成。 melt还可以表示“心变软,生怜悯之情”。 melt sth down 重新融化,回炉。 6)heat 作不可数名词,表示“热,炎热,热度,发热”,前面常用定冠词。 表示“供暖(费)”。 作动词,表示“变热,变暖”,常与up连用;也可以表示“使激发愤怒”。 7)design 作动词,表示具体,确切地“计划,设计”。 也可以表示“打算,预定”,指为一目的而作安排,常用于被动语态。 表示“设计样式,设计图案”为可数名词;表示“设计工艺,设计布局,意图”为不可数名词。 by design 故意地have designs upon/on sb(sth)图谋(生命,财产)。 8)fancy 作动词,多用作及物动词,后接名词,从句或者是动名词。 fancy接从句时,意为“认为,猜想”。 fancy接名词,代词,动名词(不能接不定式),意思为“想想,设想,想要”。 用于感叹句,意为“真想不到,谁能想到……竟然”。

初中英语语法:被动语态

初中英语语法:被动语态 概念:英语有两种语态,主动语态和被动语态。主动语态表示主语是谓语动词动作的执行者或发出者,被动语态表示主语是谓语动词动作的承受者。 构成:被动语态由“助动词be+及物动词的过去分词”构成; 助动词be有人称、数及时态的变化; 含有情态动词的被动语态由“情态动词+be+及物动词的过去分词”构成 被动语态的否定式是在助动词后加否定词not;而疑问式是将助动词移到主语前面即可Stamps can be used for sending letters. 邮票能用来寄信。 He was asked to go to the meeting immediately. 他被要求立刻去参加这个会议。 This kind of bike is not made in Tianjin. 这种自行车不是天津制造的。 Is this kind of bike make in Tianjin? 这种自行车是在天津制造的吗? 用法1.当我们不知道动作的执行者是谁或没有必要知道时,常用被动语态。 These desks are made of wood. 这些桌子是由木头做成的。 2.当需要强调动作的承受者时,常用被动语态。 Dictionaries can’t be used in the English exam. 词典不能在英语测试中使用。 3.为了使语气婉转、避免提到自己或对方、或由于修饰的需要而使用被动语态。 The homework must be handed in next Monday. 作业必须下周一交上。

被动语态的转换步骤:当主动语态变为被动语态时,通常要经过四步: 1.先确定主动句的主、谓、宾,找出其谓语动词。 2.把主动句中谓语动词后面的宾语变成被动句的主语,若宾语是人称代词时,应把宾格 变为主格 3.把主动句中的谓语动词变为“be+及物动词的过去分词”,但时态不能改变。 4.把主动句中谓语动词前面的主语变为被动句中介词by的宾语(没必要说出动作的执 行者时可略去“by+宾语”),若主语是人称代词时,应把主格变成宾格。 We clean the classroom every day. 我们每天打扫教室。 The classroom is cleaned by us every day. 教室每天都由我们打扫。 主动语态变被动语态应注意:1.时态要一致。 I wrote a letter to my pen pal yesterday. (一般过去时) A letter was written to my pen pal yesterday (by me). They will discuss the plan at the meeting. 2.含双宾语(直接宾语和间接宾语)的主动结构变为被动结构时,可将其中一个宾语变 为主语,另一个不变;如果将主动结构的直接宾语变为被动语态的主语,这时一般要加个介词to或for。My parents gave me a watch. I was given a watch by my parents. A watch was given to me by my parents. His father bought him a computer last week. 3.在主动语态中,使役动词如make,let,have或感官动词如hear,watch,see后跟 不带to的不定式作宾语补足语,但在被动语态里必须带to。 My parents often made me babysit my little sister .

必修二unit2语法讲解将来时被动语态(可编辑修改word版)

必修二,unit2 语法讲解一般将来时的被动语态[学习中的语法] ①Only athletes who have reached the agreed standard for their event will be admitted as competitors. ②And after that the 2012 Olympics will be held in London. ③A new village for the athletes and all the stadiums will be built to the east of London. ④I shall be invited to speak at the opening ceremony. ⑤We shan’t be asked to be there before eight. ⑥They won’t be stopped outside the stadium.They have tickets. ⑦Shall I be admitted into the stadium? ⑧Will he be cheered up by the watchers when competing in the race? [我的发现] (1)上述例句中加黑部分的时态为的被动语态;其谓语动词的构成为:。(2) 例句①~④为一般将来时被动语态的肯定句,其结构为:主语++其他。 (3)例句⑤和例句⑥为一般将来时被动语态的否定句,其结构为:主语++过去分词+其他。 (4)例句⑦和例句⑧为一般将来时被动语态的一般疑问句,其结构为+过去分词+其他? 一、定义 一般将来时的被动语态表示主语为动作的承受者,且动作发生在将来某一时刻或阶段。 二、一般将来时的被动语态的构成 其基本构成为:“shall/will+be+过去分词”,其中shall 常用于第一人称,will 用于各种人称。 The building will be built next month. 这栋楼将下个月开工。 The little girl will not be allowed to watch TV if she doesn’t finish her homework. 如果完不成作业,小女孩不能看电视。 1-1.用所给词的适当形式填空 ①A new bridge (build) next year. ②I (give) a bike as my present tomorrow. ③those old buildings (pull) down next week? ④(湖南高考)Don’t worry. The hard work that you do now later in life. A.will be repaid B.was being repaid C.has been repaid D.was repaid 三、一般将来时被动语态的用法 1.表示根据计划或安排将要发生的被动的动作。常与表示将来的时间状语连用,或暗含将来的时间。 These books will be published next week.

人教版高中英语必修二所有语法练习题汇总(含答案)——教师版

必修二Unit1 限定性和非限定性定语从句 用所给词的适当形式填空: 1.Tom won the first prize, _______ everybody knows. 2.Yesterday I met Ling Ping, _______ seemed to be very busy. 3.Our teacher, ________ wife is a nurse, is very strict with us. 4._______ is known to us all, Taiwan is part of China. 5.He lost my bike, ______ made me unhappy. 6.I don’t know the reason ______ he was late for the class. 7.The house ______ I lived ten years ago has been pulled down. 8.The reason, ______ he looks unhappy today, is unknown to us. 9.He left his hometown in 1992, _____ he was only 12 years old. 10.Is this factory the one _______ a lot of students visited yesterday? 11.W atch out! Don’t get close to the building _____ walls are being painted. 12.T he famous actor became successful, _______ began to appear on the stage to make a living at the age of 8. 13.I s this the magazine _______ she often writes articles? ---- Yes, it is. 14.U ntil now, we have raised 50,000 pounds for the poor children, _______ is quite unexpected. 15.H e was educated at a famous university, after _______ he went abroad and settled there. 16.______is known to us all, April 14, 2010 was the day _____ Yushu earthquake happened. 17.S oon children in the camp had many friends, _______ they shared food, stories and projects. 高考真题: 1.(2017北京)The little problems ______ we meet in our daily lives may be inspirations for great inventions. 2.(2017天津)My eldest son, ______ work takes him all over the world, is in New York at the moment. 3.(2016全国)Some people think that the great Chinese scholar Confucius, ______ lived from roughly 551 to 479 B.C.,influenced the development of chopsticks. 4.(2018天津)We will put off the picnic in the park until next week, _____ the weather may be better. 5.(2015北京)Opposite is St. Paul’s Church, ____ you can hear some lovely music. 6.(2015江苏)The number of smokers, ______ is reported, has dropped bu 17 percent in just one year. 7.(2015福建)China Today attracts a worldwide readership, ______ shows that more and more people all over the world want to learn about China. 8.(2016湖南)It is a truly delightful place, ______ looks the same as it must have done 100 years ago with its winding streets and pretty cottages. 9.(2015四川)The books on the desk, ______ covers are shiny, are prizes for us. 10.(2014江苏)The book has helped me greatly in my daily communication, especially at work ______ a good impression is a must.

初中被动语态讲解及练习

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3. 被动语态的各种句式 eg: Have you heard about that car accident near the school? --- Yes, luckily no one was hurt. 你听说学校附近的那场车祸了吗? --- 是的,幸运的是没有人受伤。 eg: A road has been built by the government. 一条道路已经被政府修建了。 eg: I am not invited to go to the party by my friend. 我没有被朋友邀请去参加聚会。 eg: My bike isn’t being repaired by Tom now. 我的自行车现在没有被汤姆修理。 eg: Are they used for posting letters? 它们被用来邮递信件吗? eg: Are trees being planted over there by them? 那边的树正在被他们种植吗? eg: When was the basketball team set up? 这支篮球队是什么时候成立的? eg: How many man-made satellites have been sent into space? 已经有多少颗人造卫星被发射升空? 4. 情态动词的被动语态的句式

人教版高中英语必修二第2讲:Unit1 Cultural relics-语法篇(学生版)

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人教版高中英语必修二第4讲:Unit2 The Olympic Games-语法篇(学生版)

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初中英语被动语态讲 解原版

初中英语被动语态讲解原版 一、被动语态的构成形式 1. 被动语态的基本时态变化 被动语态通常为十种时态的被动形式, 被动语态由be+过去分词构成,be随时态的变化而变化。以do为例,各种时态的被动语态形式为: 1) am/is/are +done (过去分词) 一般现在时 例Visitors are requested not to touch the exhibits. 2) has /have been done 现在完成时 例All the preparations for the task have been completed, and we're ready to start. 3) am/is /are being done 现在进行时 例A new cinema is being built here. 4) was/were done 一般过去时 例I was given ten minutes to decide whether I should reject the offer. 5) had been done 过去完成时 例 By the end of last year, another new gymnasium had been completed in Beijing.[少儿英语口语的提高,如果方法对还是很快的,最好的方法就是让他沉浸在一 个英语的环境中,现在最多人用的类似UIABC 这样的外教一对一教学平台,在一对一的教学中 建立一个纯正的说英语环境,15元/节的价格,也是还算比较经济的。] 6) was/were being done 过去进行时 例A meeting was being held when I was there. 7) shall/will be done 一般将来时 例Hundreds of jobs will be lost if the factory closes. 8) should/would be done 过去将来时 例The news would be sent to the soldier's mother as soon as it arrived. 9) shall/will have been done 将来完成时(少用) 例The project will have been completed before July. 2. 被动语态的特殊结构形式 1)带情态动词的被动结构。其形式为:情态动词+be+过去分词。 例The baby should be taken good care of by the baby-sitter. 2) 有些动词可以有两个宾语,在用于被动结构时,可以把主动结构中的一个宾语 变为主语,另一宾语仍然保留在谓语后面。通常变为主语的是间接宾语。 例His mother gave him a present for his birthday. 可改为 He was given a present by his mother for his birthday. 3) 当“动词+宾语+宾语补足语”结构变为被动语态时,将宾语变为被动结构中的主语,其余不动。 例Someone caught the boy smoking a cigarette. 可改为The boy was caught smoking a cigarette. 4)在使役动词have, make, get以及感官动词see, watch, notice, hear, feel, observe等后面不定式作宾语补语时,在主动结构中不定式to要省略,但变为 被动结构时,要加to。 例Someone saw a stranger walk into the building. 可改为A stranger was seen to walk into the building. 5) 有些相当于及物动词的动词词组,如“动词+介词”,“动词+副词”等,也可以用于被动结构,但要把它们看作一个整体,不能分开。其中的介词或副词也不能 省略。

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