英语as用法归纳

◎邸辉民

as词虽小，本事可不能小瞧。本文就as要点进行归纳，便于学生全面掌握。首先，为了便于记忆，请欣赏as口诀：as用法何其多，介词连词都包括，介词as是作为，连词as得细说，正如正像表因果，一边一样加随着，虽然as要倒装，时间as有省略，固定结构要牢记，学好as上大学。现在，我们分别从介词和连词的角度来复习as的用法。

一、as用作介词，常与一些动词或介词构成固定搭配

act——as（扮作）consider——as（把…看作）describe——as（把…描述成）look on——as（把…看作）regard——as（把…看作）remember——as（作为…记住）serve/work——as（担任；充当）see——as（把…看作）think of——as（把…看作）treat——as（把…看作）regard...as（把…看作）use——as（用作）such as（例如）as usual（像往常一样）as for（至于；关于）as with（正像…一样）as good as（和…一样好；实际上）as long as（和…一样长；只要）as far as（和…一样远；就…所知）as well as（和…一样好；也；又）as soon as（一…就）as many/much as（多达）so as to do s th（为了做某事）

1.The man works as a cook.

2.We see Tom as our best friend.

3.As with hiking，hunting is also fun and interesting.

二、as用作关系代词引导定语从句

A.as既可以引导限制性定语从句，引导限制性定语从句常出现一些特殊结构

（the same… as；such… as；as… as；）

4.The boy has the same pen as that girl does.

5.She is such a kind girl as everybody likes.

6.This is not as hard a question as that one.

B.as还可以引导非限制性定语从句。as引导非限制性定语从句时，as引导的从句常位于主句之首，译作：正如；正像 常用句式As you know；As is known to us all；As we all know As is clear……等等。

7.As you know，seeing is believing.

8.As is clear to us all，attitude is everything.

三、as用作连词，引导并列句

9.A house is to a man what/as a nest is to a bird.

10.Our eating habits have changed，as has the way of our life.

四、as用作连词，引导时间状语从句

A.as引导时间状语从句，译作：随着…的推移；一边…一边；当…时候

11.As time went by，the boy grew up.

12.The students were singing as they were walking.

13.As a child，she liked music very much.

B.as引导原因状语从句，译作：因为

14.As you come，help me，please！

15.As he was not feeling well，I decided to go there alone.

由于他身体欠佳，我决定独自去那里。

C）.as引导让步状语从句，译作：虽然；尽管（从句必须半倒装）

16.Clever boy as he is，he knows a lot.

17.Try as she may，she can’t be successful.

D）.as引导比较状语从句，译作：和…一样。

18.Australia is as old as time.

19.The woman drank as much as three cups of coffee.

20.We did n’t run as fast as the thief did.

E）.as引导方式状语从句，译作：像；按照

21.You must do it as I told you to.

22.When in Rome，do as the Romans do.

as用法跟踪练习

1.Lu Xun was remembered_______a great writer and thinker.

A.as B.on C.for D.to2.The little boy ate_______as three apples today.

A.as twice many B.as many twice

C.twice as many D.many as twice

3.________the weather gets warmer，our crops grow greener and greener.

A.When B.As C.While D.Because

4.The room can serve________a study.

A.like B.as C.for D.at

5.________a young boy，he began to play the piano.

A.Be B.Tor C.With D.As

6.________he likes the watch，he does n’t buy it.

A.As much B.Much as C.As with D.As for

7.It is such a heavy stone_______none can lift.

A.that B.which C.as D.it

8.No news is good news，________we all know.

A.this B.it C.that D.as

9.Today she got up early________

.A.as usual B.as for C.as much D.as well

10.His daughter has gone to Beijing，________has his son.

A.neither B.as C.either D.also

11.Try_______he would，he could n’t solve the problem.

A.so B.although C.as D.like

12._______everybody can see，mice like looking for food at night.

A.When B.As C.What D.While

Keys to the exercises 1——6 A C A B D B 7——12 C D A B C B