1.时间状语从句:由以下连词引导:when,while,as,after,before,as soon as,since,till ,until,by the time。在时间状语从句中,要注意时态一致。一般情况下主句是将来时的时候,从句主要用一般现在时。
例如:Mozart started writing music when he was four years old.(在)莫扎特4岁的时候,开始写音乐作品。
2.地点状语从句:由连词where和复合关系词wherever (=no matter where )引导。
例如:You should have put the book where you found it. 你本来应该把书放回原来的地方。
3.条件状语从句:由连词if, unless (=if not) as long as或in case provided(that) on condition (that) 引导。
例如:If it doesn’t rain tomorrow, we will go hiking.如果明天不下雨, 我们就去远足。
4.原因状语从句:由连词because, since, as引导, 也可由 now that 等词引导。
例如:I didn’t go to school yesterday because I was ill.我昨天没去上学,因为我生病了。
5.目的状语从句:由连词that, so that, so…that , in order that 引导。
例如:I’ll run slowly so that you can catch up with me. 我将慢慢跑以至你能赶上我。
6.结果状语从句:由连词( so )that, so…that, such…that, so much/many…that引导。
例如:The scientist’s report was so instructive that we were all very excited.科学家的报告很有启发性,我们感到很兴奋。
7.让步的状语从句:由连词 though, although引导。
例如:Although he is rich, yet he is not happy.虽然他很富有, 然而他并不快乐。
8.比较状语从句:主要运用于形容词和副词的原级,比较级及最高级的句子之中。
例如:She is not so(as)outgoing as her sister.她不如她姐姐外向。
9.方式状语从句:通常由as, (just) as…so…, as if, as though引导。
例如:As water is to fish, so air is to man.我们离不开空气,犹如鱼儿离不开水。