It seems like< >(rain).< >里填rain的形式,填什么,为什么

我认为 首先 确定 你要表达的意思
like 是介词 后面 必须跟名词
所以 填名词rain或 动名词raining 都是对的
It seems like rain它 好像 是 雨
It seems like raining 它好像是下雨
不过 如果 要表达 天好像要下雨 的意思
用上述表达均不对
应该是 it seems to rain.
或 it seems it is going to rain.
或 it seems as if it is going to rain