as引导的五种状语PPT课件02

。 现归纳如下： l as表示,. ; 从句可放在主句前,也可放在主句后。 例如：As I waited at the stop, I heard a big noise. 当我在车站等车的时候,我听到一个很大的声响。She rose up as he entered. 当他进来时,她站了起来。 表示, 其语气; 通常为; 。 例如： she was not well, I went there alone. 因为她身体不好,所以我独自到那里去了。l As he is a tailor, he knows what to do with this material. 由于他是个裁缝,他知道怎样利用这块布料。 ; 从句通常,把 可以用though替代。 例如： he is, he knows a lot. 虽然他是个孩子,但他知道的东西很多。l H ard as it was raining, they went on working in the field. 虽然天下大雨,但他们继续在田地里干活。 。 例如：l You should do as the teacher tells you. 你应当依照老师所说的去做。l The absence of air also explains why the stars do not seem to twinkle in space they do from the earth. 空气的不存在,也说明了为什么在空中星星看来并不闪烁,而不像从地球上看的那样。 5. as表示, ;对说明它们之间有相似之处;在从句中常省略与主句相同的部分。 例如：l He doesnt work as hard as I (do). 他不像我工作那样努力。l I hope the necklace was as good as the one you lent me. 我希望我挂项链同你借给我的一样好。