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1、 被动语态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。 The TV _ (turn) on. We are ready to watch TV. A keyboard _ (use) for typing information into the computer. The trip to the World Park _ (organize) by Mr Wu. The skirts with green and white flowers _ (design
2、) by my sister. The little cat _ (take) to the animal center. Many reserves _ (built) in China last year.is turnedis usedwas organizedis designedwas takenwere built English _ (teach) in schools all over the China. Im afraid the trousers of your size _ (sell) out. The fire _ (put) out by the firemen.
3、 My new sweater _ (make) of wool. My homework _ (check) two hours ago. Thousand of new books _ (print) every year in our country.is taughtare sold outwas put outis madewas checkedare printedTom will clean the room tomorrow.主谓宾(受动者)The room will be cleanedbyTom tomorrow.His brother washes bowls every
4、 day. 主谓宾(受动者)Bowls are washedbyhis brother every day.A fairy gave princess Laura a magic wand.主谓宾1(受动者)宾2Princess Laura was given a magic wand by a fairy1.People use knives for cutting things.Knives _ _ for cutting things.2.The students clean the windows of their classroom twice a month.The windows
5、 of their classroom_ _ twice a month.are usedare cleaned(变被动语态）3.I found the ticket on the floor._ _ _ _ on the floor.4.I told her to return the book in time.She _ _ to return the book in time.The ticket was foundwas told5. His doctor made him have only two meals a day.He _ _ _ _ only two meals a da
6、y.6.Now people can use computers to help them.Now computers _ _ _ to help them.was made to havecan be used7. Did you plant many trees at this time last year?_ _ _ _ at this time last time?8.Must we finish our work today?_ our work_ _ today?Were many trees plantedMust be finished9. The foreign friend
7、s gave us some wonderful stamps.1) _ _ _ some wonderful stamps.2) Some wonderful stamps _ _ _ _.we were givenweregiven to us1.He is cleaning the classroom.2.They have finished their homework.3.I can mend his bike.4.She will buy ten books tomorrow.5.We shouldnt allow them to go out with their friends
8、.6.The old man often makes us laugh.He has to look after the little baby. 主谓宾(受动者)The little babyhas to be looked afterbyhim.改为被动语态10.The teacher asked Tom to turn on the computer.Tom _ _ to turn on the computer.11.In this factory women do most of the work.Most of the work _ _ by women in this facto
9、ry.was askedis done12.He can mend the bike in two days.The bike _ _ _ in two days.13.You must take this medicine three times a day.This medicine _ _ _ three times a day.can be mendedmust betaken14.The students in this school study German.German _ _ by the students in this school.15.Do they often tal
10、k about this question?_ this question often _ about _ _?is studiedIs talkedby them各种时态的被动语态构成 1）一般现在时：You are invited to do this.2）一般过去时：The story was told by her.3）一般将来时：The problem will be discussed tomorrow.4）现在进行时：The question is being discussed in the meeting room.5）过去进行时：The new road was being made.6）现在完成时：The novel has been read. 7)情态动词：The rubbish can be put into the dustbin over there.1
