1、被动语态的基本用法：当句子的主语是动作的执行者时，谓语的形式是主动语态。当句子的主语是动作的承受者时，谓语要用被动语态。被动语态由助动词be+过去分词构成，时态通过be表现出来。何时用被动语态1.不知道动作的执行者是谁My cup was broken this morning.2.没必要知道动作的执行者是谁This kind of glass is made in China.3.强调动作的执行者是谁Your cup was broken by Li Hua.三、由主动变被动的方法s.(.(主格）主格）+v.+o.（宾格）（宾格）o.（主格）（主格）+be+p.p.+by+s.(.(宾格宾格
2、)His brother washes bowls every day.主谓宾(受动者)Bowls are washed by his brotherevery day.改为被动语态1.They make shoes in that factory.主语+及物动词+宾语Shoes are made (by them)in that factory.一般现在时的被动语态构成是：S(主语）+am/is/are +过去分词1)They play football on Sunday.2)Lucy does the homework in the evening.3)They often use co
3、mputers in class.4)We make these machines in Beilun.5)People speak English as the first language in UK.答案：1)Football is played by them on Sunday.2)The homework is done by Lucy in the evening.3)Computers are often used by them in class.4)These machines are made in Beilun.5)English is spoken as the fi
4、rst language in UK.He looked after the little baby yesterday.主谓宾(受动者)The little babywas looked afterbyhim yesterday.2.Theyboughtten computers last termTen computers were bought (by them)last term.一般过去时的被动语态构成是：S+was/were+过去分词将下列句子改成被动语态：1)They built the tall building last year.2)He took good care of
5、 his little brother yesterday.3)We cleaned our classroom just now.4)They used this room for resting.5)They planted many trees years ago.答案：1）The tall building was built by them last year.2）His little brother was taken good care of yesterday.3）Our classroom was cleaned by us just now.4）This room was
6、used for resting by them.5）Many trees were planted by them years ago.Tom will clean the room tomorrow.主谓宾(受动者)The room will be cleaned by Tom tomorrow.3.They will finish the work in ten days.The work will be finished(by them)in ten days.一般将来时的被动语态构成是：S+will+be+过去分词将下列句子改为被动语态：1).We will have a sport
7、s meeting next week.2).Children will take some photos there tomorrow.3).The headmaster will give a talk soon.4).They will grow different kinds of vegetables.5).Uncle Wang will mend the TV set tomorrow.答案：1)A sports meeting will be had by us next week.2)Some photos will be taken by children there tom
8、orrow.3)A talk will be given by the headmaster soon.4)Different kinds of vegetables will be grown by them.5)The TV set will be mended by Uncle Wang tomorrow.4Amy can take good care of Gina Gina can be taken good care of by Amy.情态动词被动语态的构成是：S+can/may/must/should+be+过去分词变主动语态为被动语态：1)He can take care o
9、f the baby.2)Lucy may draw the pictures.3)You must turn off the lights.4)They should learn English well.5)Jim could do it yesterday.答案：1)The baby can be taken care of by him.2)The picture may be drawn by Lucy.3)The lights must be turned off by you.4)English should be learned well by them.5)It could
10、be done by Jim yesterday.下列时态的被动语态构成1.Lucy is watering the trees.2.The boy was mending his bike.3.We have finished our compositions.答案：1.The trees are being watered by Lucy.2.His bike was being mended by the boy.3.Our compositions have been finished.Some workers are painting the roomsnowThe rooms ar
11、e being painted by some workers now.现在进行时被动语态的构成是：S+am/is/are+being+过去分词I was doing my homework at 8:00 last nightMy homework was being done(by me)at 8:00 last night.过去进行时被动语态构成是：S+was/were+being+过去分词We have made twenty more keysTwenty more keys have been made by us.现在完成时被动语态构成是：S+have/has+been+过去分词
12、各种时态的被动语态构成各种时态的被动语态构成一般现在时：一般过去时：情态动词：一般将来时：现在进行时：现在完成时：过去进行时：过去完成时：S+am/is/are+doneS+was/were+doneS+can/may/must/should+be+doneS+will+be+doneS+am/is/are+being+doneS+have/has+been+doneS+was/were+being+done S+had been+done主动变被动：1)We clean our classroom every day.1)We clean our classroom every day.Ou
13、r classroom is cleaned(by us)every day.Our classroom is cleaned(by us)every day.2)He bought the book yesterday.2)He bought the book yesterday.The book was bought yesterday.The book was bought yesterday.3)They are building a bridge over there.3)They are building a bridge over there.A building is bein
14、g built over there A building is being built over there.4)I have finished my homework.4)I have finished my homework.My homework has been finished.My homework has been finished.5)Jack will translate the novel.5)Jack will translate the novel.The novel will be translated.The novel will be translated.7)
15、You can wash your clothes next week.7)You can wash your clothes next week.Your clothes can be washed next week.Your clothes can be washed next week.被动语态中的特殊情况:1.不及物动词带介词和介词宾语时，在变为被动语态时，仍然要带上介词。1)The students listen to the teacher carefully in class.被动句：The teacher is listened to carefully by the stu
16、dents in class.2)They look after the new students in the school.被动句：The new students are looked after by them in the school.2.当动词带有复合宾语(有宾补),并且宾补是省去“to”的动词不定式时，在被动语态中应加上“to”1)They make us do all the work.被动句：We are made to do all the work by them.2)We often hear her sing songs.被动句：She is often heard
17、 to sing songs by us.3)I saw him walk to school.被动句：He was seen to walk to school by me.这些动词真奇怪，主动句中to离开，被动句中to回来.（let，have，make，feel，see,watch,hear,notice)3.当动词带双宾语时(一个宾语是指人，一个是指物)，将其中指人的宾语提前作被动句的主语时，另一个宾语按顺序照抄下来；如是将指物的宾语提前作被动句的主语，在被动句中则指人宾语前应加“to”或“for”。常见加to的动词有give，send,teach,write,show,pass,ask
18、,tell常见加for的动词有make,draw,buy,sing,fetch/get 1)He gives me a flower every day.被动1 I am given a flower by him every day.被动2 A flower is given to me by him every day.2)He bought me a computer.被动1 I was bought a computer by him.被动2 A computer was bought for me by him.练习：练习：将下列句子变为被动句将下列句子变为被动句:1.Li Lei
19、listens to his father carefully.1.Li Lei listens to his father carefully.2.The mother looked after the baby in the room.2.The mother looked after the baby in the room.3.We took care of the things.3.We took care of the things.4.They gave us some work.4.They gave us some work.5.The boy made them laugh
20、 all the time.5.The boy made them laugh all the time.6.My mother buys me a bike.6.My mother buys me a bike.答案答案:1.1.His father is listened to carefully.His father is listened to carefully.2.The baby is looked after by the mother in the room 2.The baby is looked after by the mother in the room 3.The
21、things were taken care of by us.3.The things were taken care of by us.4.We were given some work.4.We were given some work.Some work was given to us.Some work was given to us.5.They were made to laugh all the time.5.They were made to laugh all the time.6.I am bought a bike.6.I am bought a bike.A bike
22、 is bought for me.A bike is bought for me.1.People use knives for cutting things.Knives _ _ for cutting things.2.The students clean the windows of their classroom twice a month.The windows of their classroom_ _ twice a month.are usedarecleaned变被动语态(划线部分）练习：1.Many people speak English.2.They made com
23、puters in the U.S.A.3.People used metal for making machines.4.They produce silk in Suzhou and Hangzhou.5.They write business letters in English.5.They write business letters in English.6.They grow rice in South China.6.They grow rice in South China.7.They plant many trees in North China.7.They plant
24、 many trees in North China.8.Lu 8.Lu XunXun wrote this book.wrote this book.9.The workers built some bridges.9.The workers built some bridges.10.We can use the box as a table.10.We can use the box as a table.11.We should clean the classroom every day11.We should clean the classroom every day12.Have
25、you bought a car?13.He is going to see the film.14.They werent studying English this time yesterday.15.I had remembered 200 words by last week.答案：答案：1.English is spoken(by many people).1.English is spoken(by many people).2.Computers were made in the U.S.A.2.Computers were made in the U.S.A.3.Metal w
26、as used for making machines.3.Metal was used for making machines.4.Silk is produced in Suzhou and Hangzhou.4.Silk is produced in Suzhou and Hangzhou.5.Business letters are written in English.5.Business letters are written in English.6.Rice is grown in South China.6.Rice is grown in South China.7.Man
27、y trees are planted in North China.7.Many trees are planted in North China.8.This book was written by Lu 8.This book was written by Lu XunXun.9.Some bridges were built by the workers.9.Some bridges were built by the workers.10.The box can be used as a table.10.The box can be used as a table.11.The c
28、lassroom should be cleaned every day.11.The classroom should be cleaned every day.12.Has a car been bought by you?12.Has a car been bought by you?13.The film is going to be seen by him.13.The film is going to be seen by him.14.English wasnt being studied this time yesterday.14.English wasnt being studied this time yesterday.15.200 words had been remembered by me by last week.15.200 words had been remembered by me by last week.
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