Unit 2 Wildlife protection 被动语态ppt课件 -（2019）新人教版高中英语必修第二册.pptx

1、The Passive Voice by Liana carrotsrabbitWhat is the rabbit doing?.Where are the carrots?The rabbit eats carrots.Carrots the rabbitare eatenby宾语宾语主语主语be + doneWe speak English.English 宾变主，主变宾，前加by动变被，看清be, 结构分别done is spokenby us.The rabbit eats carrots.Carrots are eaten by the rabbit.We English by u

2、s.English.speak is spoken一般现在时：am/is/are+done被动语态的其他时态呢？The rabbit ate carrots yesterday. were eaten 一般过去时：was/were+doneCarrotsby the rabbityesterday.The rabbit will eat carrots tomorrow.Carrots will be eaten by the rabbit tomorrow.一般将来时：will +be done be going to +be done The rabbit is going to eat

3、carrots tomorrow.Carrots are going to be eaten by the rabbit tomorrow.The rabbit is eating carrots now.Carrots are being eaten by the rabbit now.现在进行时：am/is/are +being doneThe rabbit was eating carrots at 9 yesterday morning.Carrots were being eaten by the rabbit at 9 yesterday morning.过去进行时：was/wer

4、e +being doneThe rabbit has already eaten carrots .Carrots have already been eaten by the rabbit .现在完成时：have/has +been doneThe rabbit had already eaten carrots .Carrots had already been eaten by the rabbit .过去完成时：had +been doneThe rabbit can eat carrots.Carrots can be eaten by the rabbit.情态动词：情态动词 +

5、be done练习：1.Many people speak English. English is spoken by people.2.They made computers in the U.S.A. Computers were made in the U.S.A by them.3.People used knives for cutting things. Knives were used for by people.4.People used metal for making machines. Metal was used for by people.5.They will pr

6、oduce silk in Suzhou and Hangzhou. Silk will be produced in Suzhou and Hangzhou by them.6.They are speaking English in class . English is being spoken in class by them.练习：7.They have finished their homework. Their homework has been finished by them.8.I had learned three courses by the end of last ye

7、ar. courses had been learned by me by the end of last year.9.They said that they would plant more trees. They said that more trees would be planted by them.10.The boys were singing songs at 8:00 yesterday evening. Songs were being sung by the boys at 8:00 yesterday evening.六六.被动语态中的特殊情况被动语态中的特殊情况1.不

8、及物动词带介词和介词宾语时，在变为被动语态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。时，仍然要带上介词。e.g. The students listen to the teacher carefully in class.被动句：The teacher is listened to carefully by the students in class. e.g. They look after the new students in the school.被动句：The new students are looked after by them in the school

9、.2.当动词带有复合宾语当动词带有复合宾语(有宾补有宾补), 并且宾补是省去并且宾补是省去“to”的动词不定式时，在被动语态中应加上的动词不定式时，在被动语态中应加上“to” e.g. They make us do all the work.被动句：We are made to do all the work by them. e.g. We often hear her sing songs.被动句：She is often heard to sing songs by us. e.g. I saw him walk to school.被动句：He was seen to walk to

10、 school by me. 当动词带有复合宾语当动词带有复合宾语(宾补宾补)，其宾补是带有，其宾补是带有“to”的动词的动词不定式时，和一般的被动句变化一样。不定式时，和一般的被动句变化一样。 e.g. Lily asks me to help Lucy.被动句：I am asked to help Lucy by Lily. 3.当动词带双宾语时当动词带双宾语时(一个宾语是指人，一个是指物一个宾语是指人，一个是指物)，将，将其中指人的宾语提前作被动句的主语时，另一个宾语按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；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

11、中则指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人宾语前应加“to”或或“for” 。常见的动词有。常见的动词有give buy ,tell,teach e.g. They give me some apples.被动句：I am given some apples by them. Some apples are given me by them. e.g. He told the child some stories.被动句：The child was told some stories by him. Some stories were told the child

12、by him. e.g.Jack teaches us English.被动句：We are taught English by Jack. English is taught us by Jack. e.g. She bought me a book.被动句：I was bought a book by her.(语法正确,不用) A book was bought me by her.练习：将下列句子变为被动句。1.Lu Xun wrote this book. This book was written by Lu Xun.2.The workers built some bridges

13、. Some bridges were built by the workers.3.Li Lei listens to his father carefully. His father is listened to carefully by Li Lei.4.The mother looked after the baby in the room. The baby was looked after in the room by the mother.5.We took care of the things. The things were taken care of by us.6.The

14、y gave us some work. We were given some work by them. Some work was given to us by them.7.The boy made them laugh all the time. They were made to laugh all the time by the boy.8.My mother buys me a bike. I am bought a bike by my mother. A bike is bought for me by my mother.9.Lucy is watering the tre

15、es. The trees are being watered by Lucy.10.The boy will mend his bike. His bike will be mended by the boy.11.We have finished our compositions. Our compositions have been finished by us.12.We can use the box as a table. The box can be used as a table by us.13.We should clean the classroom everyday.

16、The classroom should be cleaned everyday by us.Please change these sentences into the passive voice.He rides the motobike to school every day.We call the snowman Mr. Strong.We usually hear him play the violin in the music room.They bought their daughter some fruits yeaterday.They must follow the cla

17、ss rules.They will/are going to have a school sports meeting next month.Workers have built the house since two years ago.The motobike is ridden by him to school every day.The snowman is called by us Mr. Stong.He is usually heard to play the violin by us in the music room.Their daughter was bought so

18、me fruits by them yesterday.Some fruits were bought for their daughter by them yesterday.The class rules must be followed by them.A school sports meeting will/ is going to be had by them next month.The house has been built by workers since two years ago.1 It is said that a new robot _by him in a few

19、 days.A. designed B. has been designedC. will be designed D. will have been designed2 A letter _ by her at this time yesterday.A. was written B. was being writtenC. was writing D. was being writing3 Diamond _in Brazil in 1971.A. is found B. has been foundC.was found D. had been found4 A great number

20、 of colleges and universities _since 1949.A. has been establish B. have been establishedC. have established D. had been establishedCCBB5 I think much attention _your pronunciation.A. must paid to B. ought to be paid toC. must pay to D. should be paid to6 Computers _ widely in our daily life.A. is used B. are using C. are used D. have used7 A new house _ at the corner of the road these days.A. is building B. is being built C. been built D. be building8 The boy_ streets without pay in the old days.A. was made to clean B. made clean C. made to clean D. was made clean BACD