哪些动词后的不定式必须省略to?
问题描述：
哪些动词后的不定式必须省略to?
答
建议Why not do?Why don’t you do?Shall we do?Let’s do had better(not) do 使役动词 have sb.do let sb.do make sb.do 感官动词 see / hear/ /watch / notice/ find / feel sb.do