1、as 句型：(1) as引导方式状语从句句型：“按照；正如”例：We do farm work as the old peasant teaches us.As (it is) in your country, we grow wheat in the north and rice in the south. 正如(像) 你们国家一样，我们北方种植小麦，南方种植水稻。(2) as形容词副词原级（a an）名词as ;否定式：not as/so - as例：He is as good a player as his sister他和他姐姐一样是位优秀的运动员。(3) such + n. + as to do 如此以致于例：She is such a fool as to believe what he said.她是一个如此的一个笨蛋以致相信了他所说的话。(4) so + adj./adv. + as to do sth 如此以致于例：He was so strong as to carry t
