为什么seem要用这种用法?

问题描述:

为什么seem要用这种用法?
好像他帮不上忙
He can't seem to help.为啥不用He seems can't to help?
seem的用法是什么?能不能给出类似于“主语+谓语+宾语”的用法?(好像有好几个~)
能不能给出类似于“主语+谓语+宾语”的用法?(好像有好几个~)
能不能给出类似于“主语+谓语+宾语”的用法?(好像有好几个~)

seem 是系动词,其后不能跟动词原型,也不能跟情态动词.seem后面跟形容词,副词,动词不定式,动词ing等
例如 He can't seem to help 中to help就是动词不定式.
he seems honest.he seems to be a goog student.