seem的用法总结？

seem表示“感觉”时可接“to be+名词或形容词”、介词短语、动词不定式、现在分词、过去分词作表语。
seem还可接连词that或连词短语as if〔though〕引导的从句作表语, as if〔though〕的从句常用陈述语气, that从句可用于陈述语气，也可用虚拟语气。

On the face of it, it seems like a great deal、

表面上看来好像很多。

You seem to have set a new trend、

看来你们是开了一个新风气。

He seems to know everything、

他似乎什么都懂。