连接词的作用不容忽视，词虽简单常见，但是却串联起了一个个句子，让句与句之间的关系不同，或因果相连，或意思更进一步……

　　下面我们从从句的角度了解下连接词：

　　1.名词性从句

　　关系代词：what,who,whom,which

　　关系连词：that,when,where,how

　　2.形容性从句

　　关系代词：that,who,whom,whose, which,as

　　关系连词：where,when,why,how

　　3.副词性从句

 
时间状语从句
when,while,as,before,since,till,

until, as soon as
①一些时间名词：the moment, the instant, the minute, the day, next time, every time

②一些副词：instantly，immediately，directly

③固定搭配的连词：no sooner...than, hardly...when, scarcely...when
 
地点状语从句
 when
 wherever, anywhere, everywhere
 
原因状语从句
 because，as, for, since
 seeing that, considering that, now that, given that, in that, in as much as, in so much as
 
目的状语从句
 so that, in order that, that
 lest, for fear that, in case, in the hope that, on purpose that, for the purpose that, to the end that
 
结果状语从句
 so...that, so that, such...that
 such that, to the degree that, to the extent that, to such a degree that, to such an extent that
 
条件状语从句
 if, unless
 suppose, supposing, providing, provided(特别关注：supposed, provide不用作条件从句的连词)， on condition that, so long as, as long as
 
让步状语从句
 although, though, even though, even if 
 while(一般用在句首)， as（用于倒装结构)，whatever, whoever, whichever, however, whenever, wherever, whether...or..., as+adj.+as+主谓结构（句首)
 
比较状语从句
 as, than
 the more...,the more...;just as..., so...;A is to B what/as C is to D; no more...than; not A so much as B/not so much A as B
 
方式状语从句
 as, the way