It seems as if it is going to rain中为什么要用个if
问题描述：
It seems as if it is going to rain中为什么要用个if
答
as if在seem ,look等系动词后引导表语从句，表示“好像，似乎”
答
这个是as if，好像的意思
答
as if=as though
都是一样的意思“好象”
都可以用!这个是固定搭配哦