精选优质文档-倾情为你奉上高考英语之状语从句知识梳理及考点扫描种类连接词注意点时间状语when, whenever, while, as, before, after, until, till, by the time, as soon as, hardlywhen, no soonerthan, the moment/the minute/ immediately/directly/instantly主句表示将来意义时，从句须用一般现在时；while引导的从句中动词一般是延续性的；until用在肯定句中主句动词是延续性的，而否定句中主句动词为短暂性的。地点状语where, wherever原因状语because, as, since, now that（既然）because语气最强，since较弱，表示大家都明了的原因，as又次之。条件状语if, unless, once, as(so) long as, （只要）on condition that, provided (that)，suppose /
