初中英语定语从句知识点：限制性定语从句与非限制性定语从句
<p> 1.二者差异比较</p><p> 限制定语从句紧跟先行词，同先行词这间一般不加逗号，仅修饰先行词，可以由关系代词.关系副词或<span word="that">that</span>来引导。非限制性定语从句仅作补充或说明，用逗号与主句隔开，既可修饰先行词，又可修饰整个主句，不可用<span word="that">that</span>引导。</p><p> 2.关系代词和关系副词的选择依据</p><p> 弄清代替先行词的关系词在从句中作什么成分,作状语的应选用关系副词，作主语.宾语或表语的可选用关系代词。</p><p> 3. 先行词与定语从句隔离</p><p> 定语从句一般紧跟在先行词之后，但定语从句与先行词之间有时也会插入别的成分，构成先行词与定语从句的隔离。例如：</p><p> 1) <span word="This">This</span> <span word="is">is</span> <span word="the">the</span> <span word="article">article</span> <span word="written">written</span> <span word="by">by</span> <span word="him">him</span> <span word="that">that</span> <span word="Is">Is</span> <span word="poke">poke</span> <span word="to">to</span> <span word="you">you</span> <span word="about">about</span>.</p><p> 2) <span word="He">He</span> <span word="was">was</span> <span word="the">the</span> <span word="only">only</span> <span word="person">person</span> <span word="in">in</span> <span word="this">this</span> <span word="country">country</span> <span word="who">who</span> <span word="was">was</span> <span word="invited">invited</span>.</p><p>返回：初中英语知识点详解定语从句篇</p>
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