王玲玉 状语从句.pptVIP

真题回顾It’ s much easier to make friends ___ you have similar interests.（13 安徽） A. after B. while C. since D. when 引导时间状语从句的连接词除上述外还有： ① till, not … until …, until, before, since Don’t get off the bus until it has stopped. It will be five years before he returns from England. ② hardly / scarcely … when, no sooner … than, as soon as once表示“一……就” As soon as I have finished it , I’ll give you a call. We had hardly got / Hardly had we got into the country when it began to rain. No sooner had he arrived / He had no sooner arrived than she started complaining. ③ directly, immediately, the moment, the minute that… 一……就 He made for the door directly he heard the knock. ④ each time, every time, by the time Each time he came to my city, he would call on me. 真题回顾Just use this room for the time being, and we will offer you a larger one ___ it becomes available.（2010安徽） A. as soon as B. unless  C. as far as D. until 让步状语从句通常用 though, although, no matter, even if, if, even though, however, whatever等引起。 △ 让步状语从句可以前置，也可以后置；前置时强调主句内容，后置时强调从句内容。有时也可以放在句中。 1．although 和though 引导的让步状语从句： 两个词同义，一般情况下可以互换使用，如： He didn’t light the fire though / although it was cold. though可以和even 连用，但although 不可以， Although (Even though) the traffic held us up, we got to the airport on time. though和although后面的主语和谓语动词be 可以省略，如果这个主语和主句中的主语指同一个人或物时，如： Though (he was) severely wounded, yet he refused to leave the battle field. Though (they were) very tired, they continued to march on. 2．even if, even though和 if 引导的让步状语从句： even if 与 even though同义，常用于强调让步概念 I’ll do it, even if it takes me all the afternoon. Even if you fail, you can try again. 注：if 有时也可以用于让步含义，但要注意条件if 与让步if 的区别，试比较： If he is poor, how can he buy the house? (条件) If he is poor, he is at least honest. (让步) (= even if) 3．由as, that, though引导的特殊让步状语从句结构 as一般不置于句首，而将从句中的表语或状语置于句首。though, that与as一样，也可以用于这种结构，如下面几种情况： ① 表语的倒装： Old as I am, I can still fight.