被动语态 (2)

1、Unit 6 Lesson 3,主动语态（The Active Voice）主动语态表示主语是动作的执行者。 被动语态（The Passive Voice）被动语态表示主语动作的承受者。 如： Many students study English.(主动语态) English is studied by many students.(被动语态),语态,主动语态 被动语态,被动语态的结构： 被动语态由“助动词be+及物动词的过去分词”构成（be + done )，助动词be有人称、数的变化,其变化规则与be作为连系动词时一样。,Our classroom is cleaned every da

2、y. Knives are used for cutting.,被动语态一般现在时结构： is/am/are/+过去分词 A)肯定句形式： 如：It is used for cooking. I am looked after well every day. Many trees are planted every year. B)疑问句形式： Is it used for cooking? Are you looked after well every day ? Are many trees planted every year?,What is it used for? Where ar

3、e you looked after well? C)否定句形式： It is not used for cooking. I am not looked after well every day. Many trees are not planted every year.,4)被动语态过去时态结构：was/were+过去分词. A)肯定句形式： 如: It was used for cooking by people in old the days. Many trees were planted last year. B)疑问句形式: Was it used for cooking in

4、 the old days? Were many trees planted last year ? When were the trees planted ? 否定句形式： 如：It was not used for cooking in the old days. These trees were not planted last year.,含有情态动词被动语态的结构:情态动词+be+过去分词 A)肯定句形式： 如: English can be spoken by us.(被动语态) English must be studied well.(被动语态) The room should

5、 be cleaned every day.(被动语态) B)疑问句形式： Can English be spoken by you? Must English be studied well by us? Should the room be cleaned every day?,C)否定句形式： English can not/cant be spoken by us. The books must not be taken out of the room.,一般将来时态的被动语态构成：,will + be +及物动词的过去分词,现在进行时态的被动语态构成：,am / is / are +

6、 being +及物动词的过去分词,过去进行时态的被动语态构成：,was / were + being +及物动词的过去分词,动词不定式的被动语态构成：,to + be +及物动词的过去分词,不同时态的被动语态,主动语态改为被动语态,1. Bruce writes a letter every day.,A letter is written by Bruce every day.,2. Li Lei bought a new bike this morning.,A new bike was bought by Li Lei this morning.,3. They will plant

7、ten trees tomorrow.,Ten trees will be planted by them tomorrow.,4. Lucy is reading a new book now.,A new book is being read by Lucy now.,5. You must lock the door when you leave.,The door must be locked by you when you leave.,6. He gave me a book.,A book was given to me by him. I was given a book by

8、 him.,7. My father bought me a new watch.,A new watch was bought for me by my father. I was bought a new watch by my father.,8. The boss made the little boy do heavy work.,The little boy was made to do heavy work.,9. A girl saw my wallet drop.,My wallet was seen to drop.,10. He listens to the radio

9、every day.,The radio is listened to by him every day.,11. He drew some pictures.,Some pictures were drawn by him.,12. My father drinks a cup of tea every day.,A cup of tea is drunk by my father every day.,13. She sent me an e-mail yesterday.,An e-mail was sent to me by her yesterday. I was sent an e

10、-mail by her yesterday.,14. I often hear Lucy sing in the next room.,Lucy is often heard to sing in the next room.,15. He had me leave for Beijing at once.,I was had to leave for Beijing at once by him.,16. My mother will wake me up at five.,I will be woken by my mother at five.,17. He asks me to help him with English.,I am asked to help him with English by him.,18. He kept us waiting two ho