why什么是don't need to worry而不是needn't to worry
问题描述:
why什么是don't need to worry而不是needn't to worry
答
don't need to worry既然否定式用助动词do, need 就是行为动词, to worry 是不定式作宾语needn't to worry 这个有误原因:直接在need 后加not, 这时need 就是情态动词, 情态动词后面要接动词原形才对正确的说法是:n...