什么时候情态动词后接不定式

Question

什么时候情态动词后接不定式

Answer 1

情态动词后不可以接动词不定式。只能跟动词原形。
▲情态动词后必须接动词原形，不能接带to不定式或动名词等。如：
我们应当学讲流利正确的英语。
误：We must to learn to speak English fluently and correctly.
误：We must learning to speak English fluently and correctly.
正：We must learn to speak English fluently and correctly.

Answer 2

情态动词后接动词原形，望采纳