被 动 语 态

（一）一般现在时态的被动语态: 主+be+ done

主动语态：We water flowers every day.

被动语态：The flowers are watered by us every day.

（二）一般过去时态的被动语态: 主+be+ done

注意;一般过去时的be动词：was、were

主动语态：He finished his homework just now.

被动语态：His homework was finished by him just now.

（三）一般将来时态的被动语态：主+will+be done

主动语态：They will do homework.

被动语态：Homework will be done by them.

主动语态：We will water flowers .

被动语态：Flowers will be watered by us.

（四）现在完成时态的被动语态：主+have/has done

主动语态：I have finished my homework.

被动语态：My homework have been finished by me.

(五)情态动词的被动语态：情态动词+be +done

情态动词：can /must/should(常考的)

主动语态：I must do dishes.

被动语态：Dishes must be done by me.

主动语态：We should finish the task .

被动语态：The task should be finished by us.

(六) 特殊动词的被动语态：have/get done

I will have my hair cut.

She got her homework done .

注意：动词的分词，一般是和动词的过去式保持一致，但要记住特殊的变化： Be-been;do/does（做）-did-done;become(成为)-became-become;

eat（吃）-ate-eaten;see（看见）-saw-seen;write（写）-wrote-written 练习题：

1、The cars______(make) in Shanghai in 2003.

2、They________(tell) not to play with fire.

3、The project _______(finish) next year.

4、The book_______ （write） last year.

5、The light__________（invent）by Tomas Edison.

6、The room_________（clean）just now.

7、These knives can__________ (use) to cut things.

8、Do you know when the building ________(build).

9、The trees and grass____________( plant )last year .

10、Thousands of people __________(save) in the Wen Chuan earthquake. 改句子：（改为被动语态）

1、You should hand in your composition.__________________________________

2、Our teachers often tell us not to play with fire.____________________________

3、The workers will finish the project next year. ______________________________