初中英语课件：被动语态

Passive voice,语法课：被动语态,被 动 语 态,知识点再现:被动语态,意义：强调主语是动作的承受者 结构：主语+be +动词的过去分词+by+动作执行者+其它,何时使用,变化方法,注意事项,各种时态的被动语态谓语动词:,一般现在时态的被动语态结构: am/is/are +done,一般过去时态的被动语态结构: was/ were +done,现在进行时态的被动语态结构: am/ is /are+being + done,过去进行时态的被动语态结构: was / were + being+done,一般将来时的被动语态结构: will +be + done am/is/are going to be + done,现在完成时态的被动语态结构: have/has been +done,含有情态动词的被动语态结构: 情态动词+be+done,过去将来时的被动语态结构: would +be + done was/were going to be + done,过去完成时态的被动语态结构: had been +done,动词不定式的被动语态结构: to+be+done,各种时态的被动语态谓语动词:,变化：示例,The boy broke the glass.,The glass,主动语态变为被动语态步骤,1.主宾 被主2.谓语 be+done3.主主 介词by+被宾,was broken,by the boy.,变,变,变,变为被动语态1、The farmers are planting trees.,Trees are being planted by the farmers.,变为被动语态2、The farmers plant trees every year.,Trees are planted by the farmers every year.,变为被动语态3、The farmers have planted trees.,Trees have been planted by the farmers.,变为被动语态4、The farmers will plant trees.,Trees will be planted by the farmers.,变为被动语态5、The farmers planted many trees last year.,Many trees were planted by the farmers last year.,1.一般可变为被动语态的动词为及物动词2.be动词可根据人称、时态、数进行变化.3.不特别强调动作执行者时，by短语(即 by和后面的宾语)一般可以省略,NOTE,注意事项：,NOTE,常见特殊用法,This work may_ today.（finish）Can my bike _ here? (mend)The cars cant _ here.（park ）,含有情态动词的被动语态，情态动词后面的be 动词用原形,be finished,be mended,be parked,1.We call Mr. Smith a living Lei Feng. Mr. Smith_ a living Lei Feng (by us).2.Toms father bought him a book. He _ a book (by his father),复合宾语或者双宾语的句子要注意: 一般情况下把指人的宾语作为被动句的主语.,was bought,is called,感官动词(hear, see, watch, feel, notice等)和使役动词(let ,make have等)在主动语态中后接不带to的动词不定式,但是改为被动语态时, 把to加在动词原形之前.,They made the boys work 12 hours a day.The boys were made _12 hours a day.We often see him go for a walk by the river.He is often seen _for a walk by the river.,to work,to go,NOTE,专项练习1 单项选择,1.The trees must _ three times a week.A. water B. is watering C. be watered D. waters2.Another new building _last month near my school.A. was built B. built C. has been built D. is built,3. A new bridge _ over the river next year.A is built B will build C will be built D will built4.A lot of money _ spent on books.A has B have C has been D have been5.My bike _ for 3 days. A is mended B has been mended C hasnt be mended D is being mended.,C,A,C,C,B,6. We are told that these books _ to the library. A can be returned B may return C must be returned D must returned7. This kind of medicine _ after supper.A should take B should be taken C should be eaten D should eat,8. A talk on Chinese history _ next week. A is given B has been given C will give D will be given9. He _ go into the room just now.A saw B was seen C was seen to D saw to10.Our classroom should _ clean and tidy.A was kept B be kept C is keep D have kept,C,B,D,C,B,NOTE,专项练习2 填空,1. Chinese_ (speak) in China.2. Many tall buildings_ (build) in our city next year.3.Geography can_ (learn) by travelling.4.The desks_ (mend) by them now.5.His homework _ (finish) by him already.,6. An English song_ (sing) by Lily every day.7. Cars_ (use) by many people for travelling.8.These words could_ (translate) by that girl.9.He didnt come to the party because he _ (not invite).10.When _ a meeting _(hold) yesterday.,NOTE,专项练习3 改为被动语态句子,1. He gave me a beautiful present.2. The teachers often make us read books in