as if是什么词

as if ，英语词组，可在look, seem等系动词后引导表语从句，表达的是虚拟语气好像、似乎、仿佛的意思。

1．引导表语从句， 常与as,look,seem,feel,taste,smell,sound等系动词连用。

如：

She looks as if she were ten years younger．

她看起来好像年轻了十岁。

It seems as if our team is going to win．

看来我们队要胜了。

It looks as if a tornado swept through your room.

好像有龙卷风席卷过你的房间。

It looks as if they're looking for something.

他们看起来好像在找什么东西。