2013年实用公共英语四级考试写作指导教程二
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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
第四章写作全国英语等级考试教程(第一级)【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。
本文标题：2013年实用公共英语四级考试写作指导教程二 - 全国英语等级考试_PETS作文_公共英语等级考试写作【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
第四章写作全国英语等级考试教程(第一级)【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。
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