状语从句在复合句中作状语,修饰主句中的动词、形容词、副词等。 1. 时间状语从句 在时间状语从句中,常用的引导词有when / while / before / after / until(till) / as soon as / since / as等。如: ①She was cooking when someone knocked at the door . 有人敲门时,她正在煮饭。 ②What will you do after you finish your homework ? 你做完作业后准备做什么? 2. 条件状语从句 在条件状语从句中,常用的引导词有if / unless等。如: ①If it doesn’t rain , I will go fishing .如果不下雨,我将去钓鱼。 ②They will have a picnic unless it rains next Sunday .如果下星期日不下雨,他们要进行野炊活动。 ※ If 引导的条件状语从句,若主句用一般将来时,则从句应用一般现在时表将来。 3. 原因状语从句 在原因状语从句中,常用的引导词有because / as / since 等。如: ①He didn’t come because he was ill . 他没有来,因为他生病了。 ②As you are sorry , I’ll forgive you . 既然你悔悟了,我就原谅你。 4. 结果状语从句 结果状语从句主要由so…that… / such…that…引导。so后接形容词或副词;such后接名词。如: ①It’s so hot that we want to go swimming .天太热了,因此我们想去游泳。 ②That’s such an interesting story that everybody likes it .那是一个如此有趣的故事,大家都喜欢它。 5. 目的状语从句 在目的状语从句中,常用的引导词有so that / in order that等。如: ①Please say it in a loud voice so that everyone can hear it .请大声说,以便大家都能听见。 ②He works harder in order that he can go to a good college .他更加努力地学习,以便能上一所好大学。 6. 让步状语从句 在让步状语从句中,常用的引导词有though / although / even if / even though等。though或although引导让步状语从句,不能与but连用。如: ①He often helps others though / although he is not rich .尽管他并不富裕,但他经常帮助别人。 ②They’ll stand by you even if you don’t succeed .即使你不成功,他们也会支持你。 7. 比较状语从句 比较状语从句常由than / as…as… / not as …as…等引导。如: ①He is more outgoing than I(am) .他比我外向。 ②He ran as fast as Mike did .他和迈克跑得一样快。 ③It isn’t so / as easy as you thought .这不像你想的那么容易。 (责任编辑:admin) |