"that"在英语中是一个多功能的词,可以用作代词、连词、副词等。以下是一些常见的句型转换方法:
1. 代词:
原句:The book that you gave me is interesting.
转换:The book you gave me is interesting.(省略了that作为代词)
2. 定语从句:
原句:The man that I met yesterday is my uncle.
转换:The man I met yesterday is my uncle.(省略了that作为关系代词)
3. 结果状语从句:
原句:He worked hard, that he could finish the project on time.
转换:He worked hard, so he could finish the project on time.(省略了that作为副词)
4. 原因状语从句:
原句:She was late, that she missed the meeting.
转换:She was late, so she missed the meeting.(省略了that作为副词)
5. 同位语:
原句:The president, that is, the CEO, will attend the meeting.
转换:The president, namely the CEO, will attend the meeting.(省略了that作为同位语)
6. 强调句:
原句:That is the book I want to read.
转换:It is the book I want to read.(强调句型,it is/was + 被强调部分 + that/who)
在转换句子时,需要根据上下文和语法规则来决定是否省略"that"。在某些情况下,"that"是必须的,比如在非限制性定语从句中。以下是一些特殊情况:
当先行词是人时,关系代词通常用"who"或"whom",但在口语中有时也用"that"。
当先行词是物时,关系代词通常用"which",但在口语中有时也用"that"。
当先行词是all, anything, everything, something, nothing等不定代词时,关系代词通常用"that"。
根据句子的具体语境和语法规则,灵活运用"that"及其替代词。