as if的虚拟语气的用法
例如
as if 后面的动词一定是过去式（be 动词一定是were?) 如果是再接一个宾语从句呢?
.as if he were convinced that he was the winner.
我这样写对么?求证!
那单看这句 ....as if he were convinced that he is the winner....
对么？