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1、Unit 5,被动语态,Passive Voice,英语动词有两种语态：主动语态 ( Active Voice)被动语态 ( Passive Voice),主动语态表示主语是动作的执行者。,被动语态表示主语是动作的承受者。,We planted the tree.,The tree was planted by us.,一、定义,be + 及物动词的过去分词,有人称，数和时态的变化,二、构成,1. 一般现在时：am / is / are + 过去分词 2. 一般过去时：was / were + 过去分词 3. 一般将来时：will+ be + 过去分词4. 现在进行时：am / is / ar
2、e + being + 过去分词 5. 过去进行时：was / were+ being + 过去分词6. 现在完成时：have / has + been + 过去分词 7. 过去完成时：had + been + 过去分词8.过去将来时：would+ be+过去分词 9. 含有情态动词：情态动词+ be + 过去分词,歌诀：被动语态be字变，过去分词跟后面,三、各种时态的被动语态,四、用法,1） 不知道动作的执行者是谁,2）没有必要指出动作的执行者是谁,Eg. The house was built in 1950. 这座房子是1950年建的。,Eg. Many trees must be pl
3、anted every year. 每年必须种许多树。,3） 需要强调或突出动作的承受者（即宾语）,Eg. Calculator cant be used in the math exam. 计算器不能用于数学考试。,4）动作的发出者不是人,Eg. Many houses were washed away in the flood. 许多房子在洪水中被冲走了。,五、主动语态变被动语态,1. 主动句中的宾语变为被动句的主语。,2. 谓语动词变为相应的被动形式即be+过去分词，（注意其人称和数随主语做出变化，而动词的时态则保持不变。）,3. 主动句的主语变为被动句中by的宾语（宾格），如不需要则可
4、省略。,4. 其它的成分（定语、状语）不变。,They make the bikes in the factory. The bikes,in the factory.,are made,them,by,We speak English.,by us.,主语,谓语,宾语,主语,谓语,宾语,主动语态,被动语态,English,is spoken,People play football all over the world.2. The old man on TV tells a story on Sunday.3. Students listen to the kind teacher car
5、efully.,Football is played all over the world by people.,A story is told by the old man on TV on Sunday.,The kind teacher is listened to by students carefully.,把下列的主动句变为被动句。,六、被动语态的特殊情况,1.在主动语态中,使役动词make, let, have等及感官动词see, watch, hear, notice, feel等,其后跟省to的动词不定式(即动词原形),在变为被动语态时,必须加上不定式符号to。1) The
6、boss made him work 14 hours a day. He was made to work 14 hours a day. 2) I see him walk to school.He is seen to walk to school.,2. 含有双宾语的主动句变被动句时，可以把指“人”的间接宾语变为主语，也可把指“物”的直接宾语变为主语，但直接宾语变为主语时，间接宾语前需加上to或for.He gave me a book yesterday.(=he gave a book to me yesterday.)I was given a book by him yeste
7、rday.A book was given to me by him yesterday.,3.许多由不及物动词加介词、副词构成的动词短语相当于及物动词，变被动语态时，介词、副词不能丢掉。We should take care of the children.The children should be taken care of.(of不可省),4.下列动词(短语)没有被动语态：happen, take place, belong to, cost, take .eg. An accident happened yesterday.,5. 物作主语时， want/need/require/b
8、e worth + doing相当于want/need/require/be worth + to be done,My bike needs repairing.= My bike needs to be repaired.我的自行车需要修理。,1) 表事物自然属性的动词（read, write, sell, wash, clean, wear, lock, open, cook, shut, dry, eat, drink ）和副词(well/badly/easily/fast/smoothly)连用且主语为物时，常用主动语态表被动意义,The pen writes very fast.这
9、支笔写得很流畅。,This book sells well. 这本书畅销。,6. 主动表被动,This kind of cloth washes easily这种布很容易洗。,2) 连系动词look, seem, feel, sound, smell, taste, get, turn, become等用主动表被动。,Peking Opera sounds beautiful.,1.English _ in many countries, but Chinese_ their own languages. A. is spoken, speak B. speaks, is spoken C.
10、is spoken, speaken D. is spoken, is spoken,2.A big cinema _ in our town next year.A. will build B. is builtC. will be built D. has built,3.This book _ by a famous writer many years ago.A. writes B. is writtenC. was writen D. was written,1. -Its difficult for the village children to cross the river f
11、or school. -I think a bridge _ over the river. A. was built B. is being built C. has been built D. should be built 2He is made _ for12 hours every day. Awork B working Cto work D. worked3. The girl was often heard_ happily in her room. A. sing B. to sing C. singing D. sings,4. The apple _ very sweet
12、. A. is tasted B. taste C. tastes D. are tasting5. What you said _ like a good idea. is heard B. is listened C. sound D. sounded6. -What do you think of the TV play?-Wonderful. It is worth_ a second time.A. watching B. watched C. seen D. seeing7. How dirty the tables are! They need_.A. to clean B. c
13、lean C. cleaning D. cleaned,8. Great changes_ in the past ten years in China. A. were taken place B. have taken place C. were happened D. have happened,9. A story _ by Granny yesterday. A. was told us B. was told to us C. is told us D. told us,五、下列各句均有一处错误，请找出并改正过来。1)I have a lot of homework to be d
14、one tonight2)Is your history teacher listened carefully in class？3)Lei Fengs name remembered by all Chinese people4)The music is sounded beautiful. 5)By who was this new educational CD-ROM designed ?,do,to,is,sounds,whom,1.树要在春天种; 2.树坑要挖得够大,但不要太深; 3.把树放进坑里,扶直; 4.把泥推回坑里,用脚踩实; 5.在旁边插一根坚实的长棍子,并且保证棍子插直了
15、; 6.用绳子（rope）把棍子和树绑起来 7.浇好水.,根据提示写一篇以How to Plant a Tree?为题目的短文，要求内容齐全，上下文连贯。尽量使用被动语态，80词左右。,Writing,1.树要在春天种; 2.树坑要挖得够大,但不要太深; 3.把树放进坑里, 扶直; 4.把泥推回坑里,用脚踩实; 5.在旁边插一根坚实的长棍子,并且保证棍子插直了; 6.用绳子（rope）把棍子和树绑起来 7.浇好水.,be planted,be dug,big enough,too deep,put into,be kept straight,push back to,push hard wit
16、h ,knock into ,be kept straight,be tied to with,be watered well,Trees must be planted in Spring. The hole must be dug large enough but not too deep. Put the tree into the hole and it must be kept straight. Push the earth back to the hole and it must be pushed hard with your feet. Knock a long and strong stick into the earth beside the tree and it must be kept straight. Trees can be tied to the stick with a rope. And they must be watered well.,
