关系副词在定语从句中的用法ppt课件.ppt

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1、采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 由关系副词whenwhen, wherewhere, whywhy引导的定语从句 1. 基本用法:定语从句除可用关系代词which, what,who,whom,whose引导外，还可用关系副词when, wherewhen, where与whywhy来引导，它们的区别是：when用于指时间，where用于指地点，why用于指原因。when, where, why 在定语从句中均用作状语状语。2.2.先行词问题先行词问题 关系副词关系副词whenwhen和和w

2、herewhere的先行词是表示时间的先行词是表示时间( (如如the the day, the days, the time, the yearday, the days, the time, the year等等) )和地点和地点( (如如the place,the place, the house, the factory, the stationthe house, the factory, the station等等) )的一类词，而关系副的一类词，而关系副词词whywhy的先行词通常只是的先行词通常只是 reason(s) reason(s)/cause(s)/cause(s)。另

3、外，。另外，whenwhen和和wherewhere可引导限制性和非限制性定语从句，而可引导限制性和非限制性定语从句，而whywhy则只用于引导限制则只用于引导限制性定语从句，不用于引导非限制性定语从句。性定语从句，不用于引导非限制性定语从句。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物3. 3. 一点注意一点注意: : 注意不要以为在时间名词后就一定用关系副词注意不要以为在时间名词后就一定用关系副词whenwhen，在地点名词后就一定用关系副词在地点名词后就一定用关系副词 where where，在表示

4、原因的，在表示原因的the the reasonreason/cause/cause后就一定用关系副词后就一定用关系副词whywhy。到底选用关系副词还。到底选用关系副词还是关系代词，关键是看它们在定语从句是用作是关系代词，关键是看它们在定语从句是用作状语状语( (用用关系副关系副词词) )还是用作还是用作主语或宾语主语或宾语( (用用关系代词关系代词) )。如：如：Dont forget the time (Dont forget the time (thatthat/which/which) Ive told you. ) Ive told you. 不要忘记我告诉你的时间。不要忘记我告诉

5、你的时间。(that(that用作用作toldtold的宾语的宾语) ) Ill never forget the days Ill never forget the days when when I worked with you. I worked with you. 我我永远不会忘记我与你共事的日子。永远不会忘记我与你共事的日子。(when(when用作状语用作状语) )He works in a factory He works in a factory that /which that /which makes radio parts. makes radio parts. 他他在一

6、家制造无线电零件的工厂工作。在一家制造无线电零件的工厂工作。(that, which (that, which 在从句中在从句中用作主语，且不能省略用作主语，且不能省略) )He works in the factory He works in the factory wherewhere his father worked. his father worked. 他在他他在他父亲工作过的那家工厂工作。父亲工作过的那家工厂工作。(where(where作状语作状语) )Thats the reason Thats the reason that /whichthat /which he exp

7、lained to us. he explained to us. 那就那就是他向我们解释的理由。是他向我们解释的理由。(that(that或或whichwhich在从句中用作在从句中用作explainedexplained的宾语的宾语) ) Thats the reason Thats the reason why why she left home. she left home. 那就是她离家出走那就是她离家出走的原因。的原因。(wh(why y在从句中作状语在从句中作状语) )采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，

8、保持熔接部位干净无污物 关系副词when,where,whywhen,where,why = 介词介词+ +关系代词关系代词,当把先行词放回从句中，要加上一个介词，就用一个关系副词，不需要加时，就用which.一般 where = in/at/ with +which. when = on whichwhy = for which.The hotel where we stayed wasnt clean.The hotel at which we stayed wasnt clean.The hotel (which) we stayed at wasnt clean.I will never forget the day when I first met her.= I will never forget the day on which I first met her.