同义句变换考点实训：语态转换

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同义句变换考点实训：语态转换

语态的相互转换，指的是通过改变主语，主动语态与被动语态之间可进行同义句 转换，特别要注意时态、情态动词的用法。如：

1. People grow rice in the south of China.

Rice __________________________ in the south of Chi na.

答案：is grown。rice作主语，助动词用一般现在时的单数形式 is。

2. Every one should give back his library books on time.

Library books ________________________________________ on time.

答案：be given back。被动句中含有情态动词 should，因此助动词用be。

3. It is widely accepted that more people use computers in the world today.

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Computers _____________ widely _____________ in the world today.

答案：are; used。computers 是复数名词，助动词用 are。

4. We must keep the no ise level un der 50dbs（ 分贝）.

The no ise level must__________________________ un der 50dbs.

答案：be kept。被动句中含情态动词 must，因此助动词用be。

5. Do they grow rice in autu mn?

_____________ rice ______________ in autu mn?

答案：Is; grown。不可数名词rice作主语,助动词用单数Is, —般疑问句的肋句首

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