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师梦圆初中英语教材同步牛津译林版八年级下册Grammar: Present perfect tense下载详情

八年级下册(2013年11月第2版)《Grammar: Present perfect tense》公开课PPT课件下载-滁州市优质课

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内容预览

1. …, and about 80 per cent of these cases can be prevented and cured.

2. The plane is also used as a training center.

3. Also, local doctors and nurses are invited on board to learn about eye operations.

4. …, 150 patients are operated on.

Translate the following sentence into Chinese.

语态是动词的一种形式,表示的是主语和谓语之间的关系。英语中的语态有两种:主动语态和被动语态。

当主语是谓语的执行者时,用主动语态。当主语是谓语的承受者时,用被动语态。如:

We clean the classroom every day.

我们每天都打扫教室。

The classroom is cleaned (by us) every day.

教室每天都被(我们)打扫。

被动语态的基本构成

主语

be动词

过去分词

一般现在时

I

am

supported.

You/We/They

are

He/She/It

is

一般过去时

I

was

supported.

You/We/They

were

He/She/It

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