【专题要点】状语从句考点概览：1.when, while, as引导时间状语从句的区别；2.名词词组the minute, the moment, the first time, each time, any time等用作连词，引导时间状语；3.before,和since引导时间状语从句的用法以及常见的几个句型；4.till和until的用法；5.although, though, as以及even if, even though引导让步状语从句的用法；6.结果状语从句中“so ----that”与“such---that”的区别；7.条件状语从句unless, providing/provided, suppose/supposing等引导词的用法；8.“疑问词+ever”和“no matter+疑问词”引导从句的用法
