1．表示比较的状语从句这类从句都由than或as引起：She likes Danny better than she likes me．她喜欢丹妮胜过喜欢我。He can run faster than I do．他跑得比我快。It is not so difficult as you think．它没有你想的那么困难。She is not so energetic as she used to be．她不像过去那样充满活力了。
有时许多词省略，只剩下一个词：She is four years younger thanme．她比我小四岁。It made him queerer thanever．这使他变得比过去更古怪。She was as much interested in music asever．她还是和过去一样对音乐有兴趣。She is as clever as(she is)beautiful．她聪明又美丽。
2．方式状语从句这类从句多由as，as if，as though，like等引起：He was allowed t do as he liked.他们允许他爱怎么干就怎么干。It swims on the sea floor just as its ancestors did．在海底游动，就像它的祖辈那样。I like the freedom to plan my day exactly as I want．我喜欢有自由完全按照我自己的意愿安排一天的活动。She acts as though she owns the place．她表现得仿佛她是这里的主人。She treats him as if he was her own son．她把他像亲儿子一般对待。He looked like he had seen a ghost．他看起来就像见到鬼了似的。You talk just like your father does．你讲起话来就像你爸爸。I was never allowed to sing the way I wanted to．他们从来不容许我按我自己的想法演唱。I’ll help you any way I can．我将以任何可能的方式帮助你。
