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被动语态

被动语态. Passive voice. 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。. be + Vp.p( 动词的过去分词） 1)be 动词可以随时态人称的变化而变化 am/ is / are + V( 过去分词） was/ were+ V( 过去分词） will be + V( 过去分词） 情态动词 + be + V ( 过去分词）. 1. 规则动词的过去分词：. 1) 一般情况在动词原形后 加 -ed.

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被动语态

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  1. 被动语态 Passive voice

  2. 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。

  3. be + Vp.p(动词的过去分词） 1)be 动词可以随时态人称的变化而变化 am/ is / are + V(过去分词） was/ were+ V(过去分词） will be + V(过去分词） 情态动词+ be + V (过去分词）

  4. 1.规则动词的过去分词： 1)一般情况在动词原形后加-ed 2)以不发音e结尾的加-d 3)以辅音加y结尾的，去y变i加-ed 4)以重读闭音节结尾，末尾只有一个辅音字母， 先双写该辅音字母，再加-ed watch---watched practice---practiced stop---stopped study---studied 2.不规则动词的过去分词： done am do have been is had write written has are go gone

  5. 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. 看一看 想一想

  6. 4)情态动词：The rubbish can be put into the dustbin over there.

  7. 改为被动语态 He plants trees in spring. 主 谓 宾(受动者) Trees are planted by him in spring.

  8. 主动语态变被动语态口诀： 宾语提前主语变， 原主变宾by后见， 时态人称be关键。

  9. Tom will clean the room tomorrow. 宾(受动者) 主 谓 The room will be cleaned by Tom tomorrow.

  10. His brother washes bowls every day. 宾(受动者) 主 谓 Bowls are washed by his brother every day.

  11. 变为被动语态 1.Theymake 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： S(主语）+am/is /are +过去分词

  12. 2. Theyboughtten computers last term． Ten computerswere bought (by them) last term. 一般过去时：S+was/were +过去分词

  13. 3．Amy can take good care ofGina． Ginacan be taken good care ofby Amy. 情态动词： S+ can/may/must/should + be+过去分词

  14. 4.Theywill finishthe work in ten days. The workwill be finished (by them) in ten days. 一般将来时： S+ will+be+过去分词

  15. 5. Some workersare paintingthe rooms now． The roomsare being paintedby some workers now. 现在进行时： S+ am/is/are + being +过去分词

  16. 6．Wehave madetwenty more keys． Twenty more keyshave been madeby us. 现在完成时： S+ have/has + been+过去分词

  17. 7．Iwas doingmy homework at 8:00 last night． My homeworkwas being done (by me) at 8:00 last night. 过去进行时： S+ was/were+being+过去分词

  18. 各种时态的被动语态构成 S+am/is /are +P.P S+was/were +P.P. S+ can/may/must/should + be+ P.P. S+ will+be+ P.P. S+ am/is/are + being + P.P. S+ have/has + been+ P.P. S+ was/were+being+ P.P. 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：

  19. 何时使用被动语态呢？ 一、行为主体不明确，不必说出或者无法说出动作的执行者时。例如： Football is played all over the world． 二、不易找到或根本就不可能找到动作的执行者时。例如： My bike was stolen．我的自行车被盗了。

  20. 三、汉语中含有“据说”、“据悉”、“有人说”、“大家说”等时。例如： It is said that one day he climbed to the top of a house and …… It was reported that her mother died of SARS. 众所周知… … It is well known that … 据推测说… … It is supposed that …

  21. 四、汉语中含有“被”、“由”等词时。 例如： Tina is asked to come by Paul． Tina是被Paul叫来的。 五、某些句子习惯上用被动语态。例如： He was born in October，1989．

  22. EXERCISES (变被动语态） 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 used are cleaned

  23. 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 found was told

  24. 5. His doctor made him have only two meals a day. He ______ _______ _______ _______ only two meals a day. 6.Now people can use computers to help them. Now computers _______ ______ ______ to help them. was made to have can be used

  25. 7. 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 planted Must be finished

  26. 9. The foreign friends gave us some wonderful stamps. 1) _______ ______ _______ some wonderful stamps. 2) Some wonderful stamps _______ ________ _______ _______. we were given were given to us

  27. 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 factory. was asked is done

  28. 12.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 mended must be taken

  29. 14.The students study German in this school. German _______ ________ by the students in this school. 15.Do they often talk about this question? ______ this question often _______ about _______ _______? is studied talked Is by them

  30. 1)Teenagers should _____ (allow) to go out at night. 2)The telephone _____ (invent) by Bell. 3) English ____ (speak) in China. 4) The car ____ (make) in China. 5) The room must _____ (clean) every day. be allowed was invented is spoken is made be cleaned

  31. ( ) The flowers ____ every day,or they’ll die. A must water B can be watered C should water D must be watered ( ) Many computers will ___ to our school. A be bring B be brought C bring

  32. 1.Bikes are made of metal. 2.My shirt is bought by my mother. 3.The bridge was built in 1951. 4.The work will be finished tomorrow. 5.Teenagers should be allowed to play with friends. 6.The flowers must be watered every day.

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