初中英语被动语态复习

nullnullPassive voicenull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现出来。nullbe + 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）null1.规则动词的过去分词：1)一般情况在动词原形后加-edwatch---watched2)以不发音e结尾的加-dpractice---practiced3)以辅音加y结尾的，去y变i加-edstudy---studied4)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-edstop---stopped2.不规则动词的过去分词：amisarebeenhavehashaddodonewritewrittengogonenullHe plants trees in spring. 主谓宾(受动者)Treesare plantedbyhim改为被动语态in spring.null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。nullTom will clean the room tomorrow.主谓宾(受动者)The roomwill be cleanedbyTom tomorrow.nullHis brother washes bowls every day.主谓宾(受动者)Bowls are washedbyhis brother every day.null1.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： S(主语）+am/is /are +过去分词null2. They bought ten computers last term． Ten computers were bought (by them) last term. 一般过去时：S+was/were +过去分词null3．Amy can take good care of Gina ．Gina can be taken good care of by Amy. 情态动词： S+ can/may/must/should + be+过去分词null 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.null4)情态动词：The rubbish can be put into the dustbin over there.nullnull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：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.null 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。 null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 …null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． null1.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）null3.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 toldnull5. 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 usednull7. 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 finishednull9. The foreign friends gave us some wonderful stamps. 1) _______ ______ _______ some wonderful stamps. 2) Some wonderful stamps _______ ________ _______ _______. we were given were given to usnull10.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 donenull12.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 takennull14.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 studiedIs talked by themnull1)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 allowedwas inventedis spoken is madebe cleanednull( ) 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 null4.They will finish the work in ten days. The work will be finished (by them) in ten days. 一般将来时： S+ will+be+过去分词null5. Some workers are painting the rooms now． The rooms are being painted by some workers now. 现在进行时： S+ am/is/are + being +过去分词null6．We have made twenty more keys． Twenty more keys have been made by us. 现在完成时： S+ have/has + been+过去分词null7．I was doing my homework at 8:00 last night． My homework was being done (by me) at 8:00 last night. 过去进行时： S+ was/were+being+过去分词null1.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 smoke 6.The flowers must be watered every day.