As的用法总结
1．作介词，表示“作为；当作”。如：
As a party member, I must be strict with myself．
He works in the school as a teacher of math．
2．作连词，引导方式状语从句，意为“像；按照”。如：You must do everything as I asked you to．
3．作连词，引导时间状语从句。意为“当……的时候”。如：She sings as she walks．
He came just as I reached the door．
4．作连词，引导原因状语从句。“因为“如：
You must hurry up as there is little time left．
5．引导让步状语从句，常用于倒装结构。”尽管“
Hard as he worked, he didn’t pass this examination．
Child as he is, he knows a lot．
7．用于一些固定搭配。如：
① as ．．． as．．．与……相同的程度；与……等同
The dress is twice as expensive as that．
② as if ／as though 似乎；好像
He behaved as if nothing had happened．
③ as well as 同（一样也）；和；还
We cannot expect her to do the homework as well as look
after the children．
④ such．．．as 像……这样的；such as 例如
I bought a lot of fruits, such as apples, oranges,
bananas and so on．
⑦ so as to ．．．以便, 为了
She saved the money so as to support the family．
⑧ as a matter of fact 其实；实际上
As a matter of fact, I’m very fond of housework．
⑨ as a result 结果 (发生某种情况)
As a result， he had been given an excellent job．
⑩ as long as 只要
As long as you work hard, you will succeed sooner or
later．
