1、主动语态主动语态：表示主语是动作的执行者表示主语是动作的执行者。被动语态被动语态：表示主语是动作的承受者表示主语是动作的承受者。如：如：Many students study English.(主动主动语态语态)English is studied by many students.(被动被动语态语态)被动语态:主+be+过去分词过去分词+(by sb)1.He eats the apple.2.He ate the apple.3.He is eating the apple.4.He was eating the apple.5.He will eat the apple.6.He wou
2、ld eat the apple.7.He has eaten the apple.8.He had eaten the apple.9.He can eat the apple.1.The apple is eaten by him.2.The apple was eaten by him.3.The apple is being eaten by him.4.The apple was being eaten by him.5.The apple will be eaten by him.6.The apple would be eaten by him.7.The apple has b
3、een eaten by him.8.The apple had been eaten by him.9.The apple can be eaten by him.表格：被动态基本结构时态时态被动语态结构被动语态结构一般现在时一般现在时一般过去时一般过去时现在进行时现在进行时过去进行时过去进行时一般将来时一般将来时过去将来时过去将来时现在完成时现在完成时过去完成时过去完成时am/is/are donewas/were doneam/is/are being donewas/were being doneshall/will/be going to be donewould be doneha
4、ve/has been donehad been doneOral practice-主动句改被动句 Oral practice-1.Change each sentence into passive voice:1)A car knocked him down yesterday.2)Two doctors and ten nurses make up the medical team3)When I got there,they were cutting up a fallen treeHe was knocked down by a car yesterdayThe medical te
5、am is made up of by twoA fallen tree was being cut up,when I got there.4)Well put on the play next Sunday5)Workers are building a new teaching building in our school 6)They had completed the railway by the end of last year The play will be put on next SundayA new teaching building is being built by
6、workers in our schoolThe railway had been completed by the end of last year 7)We should protect the earth8)You need to paint the wallThe earth should be protectedThe wall needs to be painted6.Good medicine _ bitter to the mouth.A.tastes B.is tasted C.taste This pen _ well.A.is sold B.sell C.sells感官动
7、词感官动词,和和sell等动词用主动语态表被动等动词用主动语态表被动.BA有些动词的主动形式表示被动含义有些动词的主动形式表示被动含义1.read,sell,last,wash,write等带状语（well,easily)时。如:Her book sells well.2.感官动词感官动词feel,look,smell,sound,taste等与形容词连用时。等与形容词连用时。如：如：The cake tastes delicious.7.Many people _ during the earthquake in May,2008.A.were died B.dead C.diedhappe
8、n,last,die等动词不使用被动等动词不使用被动.1.It will happen in 50 years.()2.It will be happened in 50 years.()不及物动词没有被动语态，不及物动词没有被动语态，如：如：happen,take place,begin,become disappear,come out.挑战x8.Your desk _.A.needs repair B.needs repairing C.needs to repairneed,allow 可以用可以用-ing形式表示被动形式表示被动need to be done =need doingbe allowed to do=allow doing
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