● It引导的形式主语句子与其他句型的转换
　　「例句」
　5.He spent 4 hours in doing his homework yesterday.
　It took him 4 hours his homework yesterday.
　6.It seems that they like pop music.
　They to like pop music.
　「正确答案」5.to do6.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。
　● 一些习惯用法的不同表示法
　「例句」
　7.They have studied English for 20 years.
　They began to study English .
　8.He went to the class at 9 o‘clock.
　He didn‘t go to the class 9 o’clock.
　「正确答案」7.20 years ago8.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。
　● 词或词组间的互换
　「例句」
　9.He spent 20 dollars buying this book.
　He20 dollars this book.
　10.She does well in English.
　She is English.
　「正确答案」9.paid……for10.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。