改写句子的常考题型：

1、 It引导的形式主语句子与其他句型的转换

「例句」

1.He spent 4 hours in doing his homework yesterday.

It took him 4 hours his homework yesterday.

2.It seems that they like pop music.

They to like pop music.

「正确答案」1.to do 2.seem

「规律分析」这部分要求了解代词it在句子中的各种用法。it在英语中是个相当活跃的代词，它可以作形式主语、形式宾语和引导强调句等。

2、 一些习惯用法的不同表示法

「例句」

3.They have studied English for 20 years.

They began to study English .

4.He went to the class at 9 o‘clock.

He didn‘t go to the class 9 o’clock.

「正确答案」3.20 years ago   4.until

「规律分析」这部分要求掌握英语中一些习惯用法的表达方式。在改写句子时，要求用不同的句型或不同的词表达出相同的意思。

3、词或词组间的互换

「例句」

5.He spent 20 dollars buying this book.

He20 dollars this book.

6.She does well in English.

She is English.

「正确答案」5.paid……for  6.good at

「规律分析」这部分考查同义词或词组的替换。有些词虽然意义相近或相同，但往往在用法和结构搭配上有区别，考生应尤其注意。