有关as 作连词的用法 一．as 引导状语从句 as 作为连词可以引导状语从句，表示时间、原因、方式、让步等。 1. 引导时间状语从句，意思是“当``````的时候” ，同 when/while,更强调“一边``````一边``````” 。表“随着``````” 的意思时同 with,但 with 是介词，不可以跟从句。 eg: I saw him as he was getting off the bus. He often listens to the music as he is doing his homework. As time goes by, his illness is getting worse. 2. 引导原因状语从句，同 since。 eg: We had better hurry as it is getting dark. As she has no car, she can’t get there easily. 有关as 作连词的用法 一．二．as 引导定语从句 1. as 引导限制性定语从句。 as 作为关系代词可以引导限制性定语从句，通常与 the same 或 such 连用，构成 the same ``````as 和 such``````as 句型。 eg: I have never heard such stories as he tells. This is the same dictionary as I lost. 有关as 作连词的用法 要用倒装结构。可以把从句中表语、状语甚至谓语动词置于句首，如果是带有冠词的可数名词单数作表语，置于句首时应省去冠词。 eg: Young as he is, he knows a lot about history. Much as I like you, I will not marry you. Try as she might, Mary couldn’t get the door open. Boy as he is, he is very shy. (boy前省略冠词a) 4. 引导方式状语从句，表示方式。意思是“像，按照，如同” 。 eg: Do it as I do it. You should finish your task as you are told to. Leave it as it is. 有关as 作连词的用法 2. as 引导非限制性定语从句。 as 与 which 一样都可以引导非限制性定语从句，但是 as 引导的从句可以放在主句之前、主句之后，甚至还可以分割主句；而 which 引导的非限制性定语从句只能放在主句之后。另外 as 还有“正如、就像” 之意。 eg: As is mentioned above, the number of the students in senior high schools is increasing. He was admitted to college, which made his parents very happy. John, as you know, is a writer. 动词不定式 动词不定式是非谓语动词的一种，它没有人称和...
