初中英语定语从句知识点：限定性定语从句
<p> 1. <span word="that">that</span>即可代表事物也可代表人，<span word="which">which</span>代表事物;它们在从句中作主语或宾语，<span word="that">that</span>在从句中作宾语时常可省略关系词，<span word="which">which</span>在从句中作宾语则不能省略。而且，如果<span word="which">which</span>在从句中作不及物动词+介词的介词的宾语，注意介词不要丢掉，而且介词总是放在关系代词<span word="which">which</span>的前边，但有的则放在它原来的位置</p><p> 2. <span word="which">which</span>作宾语时，根据先行词与定语从句之间的语义关系，先行词与<span word="which">which</span>之间的介词不能丢</p><p> 3. 代表物时多用<span word="which">which</span>，但在带有下列词的句子中用<span word="that">that</span>而不用<span word="which">which</span>，这些词包括<span word="all">all</span>, <span word="anything">anything</span>, <span word="much">much</span>等，这时的<span word="that">that</span>常被省略</p><p> 4. <span word="who">who</span>和<span word="whom">whom</span>引导的从句用来修饰人，分别作从句中的主语和宾语，<span word="whom">whom</span>作宾语时，要注意它可以作动词的宾语也可以作介词的宾语</p><p> 5. <span word="where">where</span>是关系副词，用来表示地点的定语从句</p><p> 6. <span word="when">when</span>引导定语从句表示时间</p><p> 〔注〕值得一提的是，表示时间<span word="time">time</span>一词的定语从句只用<span word="when">when</span>引导，有时不用任何关系代词，当然也不用<span word="that">that</span>引导</p><p> <span word="By">By</span> <span word="the">the</span> <span word="time">time</span> <span word="you">you</span> <span word="arrive">arrive</span> <span word="in">in</span> <span word="London">London</span>, <span word="we">we</span> <span word="will">will</span> <span word="have">have</span> <span word="stayed">stayed</span> <span word="there">there</span> <span word="for">for</span> <span word="two">two</span> <span word="weeks">weeks</span>.</p><p> <span word="I">I</span> <span word="still">still</span> <span word="remember">remember</span> <span word="the">the</span> <span word="first">first</span> <span word="time">time</span> <span word="I">I</span> <span word="met">met</span> <span word="her">her</span>.</p><p> <span word="Each">Each</span> <span word="time">time</span> <span word="he">he</span> <span word="goes">goes</span> <span word="to">to</span> <span word="besiness">besiness</span> <span word="trip">trip</span>, <span word="he">he</span> <span word="brings">brings</span> <span word="a">a</span> <span word="lot">lot</span> <span word="of">of</span> <span word="living">living</span> <span word="necessities">necessities</span>, <span word="such">such</span> <span word="as">as</span> <span word="towers">towers</span>, <span word="soap">soap</span>, <span word="toothbrush">toothbrush</span> <span word="etc">etc</span>.</p>
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