初中英语状语从句知识点：方式状语从句

二者引导的状语从句往往用虚拟语气，表示与事实相反。as if比as though更为常用。但也可用陈述语气，表示所说的情况是事实或实现的可能性较大。如：

They looked at me as if , as though I were mad.

他们瞧着我好像我发疯了似的。

They look as if/as though they know each other.

他们看来好像互相认识。