河北省邯郸市临漳县第一中学高一英语 unit2被动语态.docVIP

河北省邯郸市临漳县第一中学高一英语：unit2被动语态step.warm-up:review the past participle forms of the verbs.1. 规则动词过去分词的构成2. 特殊变化（课本附录）step.语态概述：英语语态是通过动词形式的变化表现出来的，分为主动语态和被动语态两种： 主动语态,即主语是动作的执行者。如：we clean the classroom. 被动语态，即主语是动作的承受者。如：the classroom is cleaned by us.step.被动语态的构成及用法:1. 被动语态的构成 被动语态的基本结构为：be + 动词的过去分词 各种时态的主动，被动语态的结构如下表（以动词do为例）:时态主动语态被动语态例句主动语态被动语态一般现在时do/doesam/is/are+donewe clean the room.the classroom is cleaned by us.一般过去时didwas/were+donehe made the kite.the kite was made by him.现在进行时am/is/are +doingam/is/are+being done she is watering flowers.flowers are being watered by her.现在完成时have/has +donehave/has+been donejim has finished the work.the work has been finished by jim.含有情态动词can/may/must+docan/may/must +be donei can find him.he can be found by me.一般将来时will/shall/be going to+dowill/shall/be going to + be donethey will plant trees tomorrow.trees will be planted by them tomorrow.2. 被动语态的用法： 不知道动作的执行者时。eg: this watch is made in china. 没有必要指出动作的执行者是谁。eg：more trees must be planted every year. 强调动作的承受者时，eg: chinese is spoken by more and more people in the world.句子的主语是动作的承受者时。eg: many houses were washed away by the flood.3. 主动语态和被动语态的转换:主动语态： 动作执行者 + 谓语动词主动形式 + 动作承受者被动语态：动作承受者 + 谓语动词被动形式 + 动作执行者step. practice:选择填空：1.thats a nice watch! is it _in china?a. make b. making c. made d. makes2. the lost boy _ early this morning. a. found b. was founded c. was found d. had found.3. hundreds of jobs _ if the factory closes.a. lose b. will be lost c. are lost d. will lose 4.the number of the deaths from heart disease greatly if people are persuaded to eat more fruit and vegetables. a. will be reduced b. is reduced c. was to reduced d. have reduced 5. in a room above the store, where a party _, some workers are busily setting the table. a is to hold b. has been held c. will be held d. is being held 6. an important meeting_ in our city soon.a. will attend b. will hold c. will be held d. will be joined7. many people believe that one day the earth _ if people do not learn to live in peace.a. will destroy b. is destroyed c. will be destroyed d. has destroyed8. ill have to push the car to the side of the road because we _ if we leave it here.a. will be fined b. will be fining c. will being fined d. will have been fined9. only when your identity has been checked, _.a. you are allowed in b. you will be allowed in c. will you allow in d. will you be allowed in10. - why dont we choose that road to save time?- the bridge to it _.a has repaired b is repaired c is being repaired d will be repaired 句型转换：1. believe him. he will finish his work on time.believe him. his work_ _ _on time.2. we will take good care of your boy when you are out. your boy good care of when you are out.3. the teacher gave the student a new book. _ _ _ _ _ _ _(by the teacher).或_ _ _ _ _ _ _ _(by the teacher).4. everybody called her big sister.she was called_ _by everybody.5. people last saw the lost girl playing near the river.the lost girl _ _ _ _ _ _ _.6.the engineer made the robot clean the windows of the high building. the robot was ma