八年级英语被动语态讲解课件

1、被 动 语 态,被动语态与主动语态： 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。 Many people speak English. (speak的动作是由主语many people的承受者） English is spoken by many people. 主语English是动词speak的承受者。,被动语态的构成,被动语态是由（be+过去分词）构成的，如果需强调动作或行为的发出者时，在其后接（by.），意为（被)。这里be是助动词，必须与主语的人称和数相一致，并有时态的变化(be有时也可以使用get,become等词来代替)。

2、,被动语态的句型,肯定句：主语+be+过去分词+(by.)否定句：主语+benot+过去分词+(by.)一般疑问句：Be+主语+过去分词+(by.)?特殊问句：疑问词+be+过去分词+(by.)?这里be决定了被动语态的时态，be后面的过去分词没有变化。,His brother washes bowls every day,主,谓,宾(受动者),Bowls,are washed,by,his brother,every day.,改为被动语态,1.They make shoes in that factory. 主语+及物动词+宾语,Shoes are made (by them) in th

3、at factory. 一般现在时：,变为被动语态,主语+am/is /are +过去分词,They play football on Sunday. Lucy does the homework in the evening. They often use computers in class. We make these machines in Beijing.,Football is played by them on Sunday.,The homework is done by Lucy in the evening.,Computers are often used by them

4、 in class.,These machines are made in Beijing.,He looked after the little baby yesterday.,主,谓,宾(受动者),The little baby,was looked after,by,him,yesterday .,2. They bought ten computers last term,Ten computers were bought (by them) last term.,一般过去时：,主语+was/were +过去分词,They built the tall building last ye

5、ar. He took good care of his little brother yesterday. We cleaned our classroom just now. They used this room for resting.,The tall building was built by them last year.,His little brother was taken good care of by him yesterday.,Our classroom was cleaned by us just now.,This room was used for resti

6、ng by them.,Tom will clean the room tomorrow.,主,谓,宾(受动者),The room,will be cleaned,by,Tom,tomorrow.,3.They will finish the work in ten days.,The work will be finished (by them) in ten days.,一般将来时： 主语+ will+be+过去分词,We will have a sports meeting next week. Children will take some photos in the schoolya

7、rd tomorrow. The headmaster will give a talk this afternoon.,A sports meeting will be had by us next week.,Some photos will be taken by children in the school tomorrow.,A talk will be given by the headmaster this afternoon.,4Amy can take good care of Gina ,Gina can be taken good care of by Amy.,情态动词

8、： 主语+ can/may/must/should + be+过去分词,1.He can take care of the baby. 2.Lucy may draw the pictures. 3.You must turn off the lights. 4.They should learn English well.,The baby can be taken care of by him.,The picture may be drawn by Lucy.,The lights must be turned off by you.,English should be learned

9、well by them.,下列时态的被动语态构成 1.Lucy is watering the trees. 2.We have finished our compositions.,看一看 想一想,Some workers are painting the rooms now,The rooms are being painted by some workers now. 现在进行时： 主语+ am/is/are + being +过去分词,We have made twenty more keys,Twenty more keys have been made by us. 现在完成时：

10、 主语+ have/has + been+过去分词,各种时态的被动语态构成,一般现在时： 一般过去时： 一般将来时： 情态动词： 过去进行时 现在完成时：,主语+ am/is /are + done,主语+can/may/must/should+be+done,主语+ will + be + done,主语+ was/were + being+ done,主语+ have/has + been+ done,主语+ was/were + done,各种时态的被动语态构成,Goodbye,中考挑战,中考被动语态考题 1.The river smells terrible. People must

11、_ dirty thing into it.(南京市中考题） A be stopped to throw B be stopped from throwing C stop to throw D stop from throwing 2.This book _ often _from the library.(北京市中考题） A arent take away B taken away C isnt taken away D be taken away 3.He _ _ (tell) to return his books to the library yesterday. (黄冈市中考题）,

12、was told,5. Another man-made satellite was sent up into space by them last week (济南市中考题） another man-made satellite into space last week.变主动语态 7.People there planted many trees last year. Trees _ _ by people there last year. (青岛市中考题） 8. They grow vegetables on the farm. The vegetables _ _on the farm

13、（上海市中考题）,T,They sent up,were planted,are grown,On 22 August 2004, The Scream, a famous painting by an artist called Edverd stole/was stolen from the museum in Norway.The painting pulled/was pulled off the wall by two men as visitors watched/were watched.The men escaped/were escaped by car. Later, the car found/was found but the picture was gone.,Homework : 1.He cleans the classroom everyday. 2.They 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 fri