as用法小结学习.pptxVIP

一、as作连词 ;几个关于as...as的常见句型： ;带有as...as结构的常见短语：; 2. as用作连词引导时间状语从句;(1)It was snowing when he arrived at the construction site.他到达工地时，天正在下雪。 (2)He was watching TV while his mother was cooking.他母亲做饭时他在看电视。 (3) You will grow wiser as you grow older.你会随着年龄的增长而越来越聪明。; 3. 引导原因状语从句; (1) He will succeed because he is in earnest.他一定会成功，因为他很认真。 (2) Since you are so sure of it he”ll believe you.既然你对此如此有把握，他会相信你的。 (3) As rain has fallen, the air is cooler.因为下过雨，空气比较清爽。;4. as作连词引导让步状语从句; (1) Although he is quite old, he still jogs every day.他虽然年纪相当大，仍然每天慢跑。 (2) Strange as it may seem, nobody was injured in the accident.这次意外虽然显得令人不可思议，却没有人受伤。 (3) However hard he may try, he will not attain his goal.无论他怎样努力也达不到目标。;5. as作连词引导方式状语从句; 二、as作关系代词的用法;2. as单独引导定语从句时，先行词是一个句子或短语。例如： (1) She is late, as is often the case.她迟到了，这是经常的事。(先行词是整个主句) (2) To shut your eyes to facts, as many of you do, is foolish.对事实视而不见--你们好多人都是如此的愚蠢。(先行词是不定式短语) ; 三、as作介词的用法; 四、as作副词的用法 ; every other member of the team, he wore an official uniform in the victory parade. He works engineer. A. Like B. as C. the same as D. as an;As和 like 都可以做介词,但词义是不同的, As 作为, 以…资格, Like 像….与…相似; is generally accepted, economical growth is determined by the smooth development of production. A. What B. that C. it D. As ; is known to the world, Mark Twain is a great American writer. A. That B. which C. as D. it ;Most electronic devices of this kind, manufactured for such purpose, are tightly packed. That are B. as are C. which is D. it is ;Diligent he was, he failed in the English final exam. A. Though B. although C. as D. like; , he does get irritated with her sometimes. As he likes her much Much though he likes her Though much he likes her Much as he likes her;The house was very quiet, as it was on the side of a mountain. Being isolated B. isolated C. Isolating