英语关系分句是什么(英语中什么叫关系分句)
最基础的英语知识整理（句）：关系分句
(1) 限制性关系分句，无逗号，在句子中的部分不可缺少：
先行词为表示类别的不定冠词 she's a woman who ...
先行词为特指的定冠词 She's the woman who ...
先行词为不定限定词(all, any, some, every, no) Any one who ...
(2) 非限制性关系分句，前面有逗号：
who, whom, whose, which作引导词 The chairman, who gave a speech, was 45.
where, when等作引导词 ... , when ...
各种状语从句
关系代词（引导词）(1)限制性分句中：
分句作主语成分时，who指人，that\which指物
分句作定语成分时，who\whom指人，that指物
分句作介词补足语时，介词前置，for whom, in which ...
分句作主语补足语、there句型时，that可省略
先行词前带有only, all, any 时用that
(2)非限制性分句：
who\whose指人 which\that指物
(3)介词+关系代词：
限定形式 by which, of whom, by the means of which ...
非限定形式 in which to, on which to ...
双重关系分句同层次 A woman whose clothes are good-looking, and whose face is pretty.
不同层次 A boy I know who can swim.
嵌入式关系分句A child who she had talked about was an orphan.
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