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师梦圆初中英语教材同步人教版九年级全一册Section A Grammar focus 4a—4c下载详情
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一般疑问句:Was/Were+主语+V-p.p +(by…)?

eg:Was the light bulb invented by Edison?

电灯是爱迪生发明的吗?

回答为:Yes,主语+ was/ were; No,主语+ was/were+not.

语法精讲

被动语态(二):一般过去时的被动语态

特殊疑问句:

(1)疑问词不作主语:疑问词+ was/were +主语十V-p.p+ (by…)?

eg:How was tea invented?茶是怎样被发明的?

(2)疑问词作主语:疑问词+ was/were +V-p.p+ (by…)?

eg:Who was hurt in the accident ?(Who作主语)

谁在事故中受伤了?

2.被动语态的用法

(1)当我们不知道谁是动作的执行者,或者没有必要指出谁是动作的执行者时,常用被动语态。

eg:The yellow cup was broken.黄色的杯子被打破了。

(2)当我们主要关心动作的承受者,但也关心动作的执行者时,通常会在动作的执行者前面加by。

eg: The nice picture was drawn by a ten-year-old boy.这幅好看的画是由一个十岁的男孩画的。

语法精讲

When was the zipper invented?

It was invented in 1893.

Who was it invented by?

It was invented by Whitcomb Judson.

When was tea brought to Korea?

It was brought to Korea during the 6th and 7th centuries.

What is the hot ice-cream scoop used for?

It is used for serving really cold ice-cream.

Active Voice: Alexander Graham Bell invented the telephone in 1876.

Passive Voice: The telephone was invented(by Alexander Graham Bell)in 1876.

4a

Rewrite the sentences using the passive voice.

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