couldn't don't have to needn't的区别
来源：学生作业帮助网 编辑：六六作业网 时间：2024/07/10 18:46:53
couldn''tdon''thavetoneedn''t的区别couldn''tdon''thavetoneedn''t的区别couldn''tdon''thavetoneedn''t的区别couldn''t是虚拟语气
couldn't don't have to needn't的区别
couldn't don't have to needn't的区别
couldn't don't have to needn't的区别
couldn't是虚拟语气
don't一般式否定用
have to是不得不,是被动去做什么
needn't是不需要