He seems to know this.写下每个单词在句中的成分.额,不明白,求大白!

问题描述:

He seems to know this.写下每个单词在句中的成分.
额,不明白,求大白!

he ~主语, know ~谓语, this~宾语

He (主语)seems (系动词)to know this(不定式短语作表语)
=It seems that he knows this.
他似乎知道这个