as作从属连词可引导多种状语从句.①as引导时间状语从句.意为“当-时 .例如:As a young man, he was a storekeeper and later a postmaster./ He sang as he worked. ②as引导方式状语从句.意为“象-一样 .例如:We must do as the Party teaches us. ③as引导原因状语从句.意为“由于 .例如:As you are tired, you had better rest. ④as引导让步状语从句.意为“虽然 .“尽管 Child as he is, he can do it well. ( = Although he is a child, he can do it well.) 另外.as做为关系代词还可以引导定语从句.如:I have the same book as you. 练习.连词 【查看更多】
