第1个回答 2012-06-27
as用法小结
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。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 。如： Hard as he worked, he didn’t pass this examination． Child as he is, he knows a lot． 6．用作关系代词，引导非限制性定语从句。如： As we all know, the earth is round． She has been late again, as was expected． 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． He rubbed his eyes and yawned as though waking up after a long sleep． ③ as well as 同（一样也）；和；还 On Sunday his landlady provided dinner as well as breakfast． 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． Such simple actions as eating drinking become difficult． ⑤ as for 至于某人（某事物） As for you, you ought to be ashamed of yourself． As for the hotel, it was very uncomfortable and miles away from the sea． ⑥ as to 关于某事物；提到某事物 As to correcting our homework, the teacher always makes us do it ourselves． 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．