(1)以as if /as though引导的方式状语从句,句中的时态通常用一般过去时表一般现在时,用过去完成时表一般过去时.be 动词要用"were".用以表示与事实相反或表假设. (2)当用一般现在时代替过去时,用一般过去时代替过去完成时,用"was"代替"were"时,表示可能符合事实. 如:He walks as if he were drunk.=He walks as if he was drunk. 另外:可引导方式状语的词语还有:as (如同);just as (正如). eg:Do as the teacher told you. You can eat the food here just as you want. 我答得也挺简单的....~
答：详情>>
