as if 可放句首吗

as if 可放句首吗 as if,seem as区别 as...as与as if 的区别 as if to do It seemed as if... as if 和even as.if.用法 as if 的用法, as if 什么意思 as if 什么意思 as if I as if i was as if 和 if 有什么区别? ever if和as if区别 15.What if,as if等用法 if的同义词 ? as well as 是什么意思? as if 与 as though 有无区别 if与as long as的区别