needn't和don't need to有什么区别?haven't和 don't have 有needn't和don't need to有什么区别?haven't和 don't have 有什么区别?

来源:学生作业帮助网 编辑:作业帮 时间:2024/03/29 08:40:35
needn't和don't need to有什么区别?haven't和 don't have 有needn't和don't need to有什么区别?haven't和 don't have 有什么区别?

needn't和don't need to有什么区别?haven't和 don't have 有needn't和don't need to有什么区别?haven't和 don't have 有什么区别?
needn't和don't need to有什么区别?haven't和 don't have 有
needn't和don't need to有什么区别?
haven't和 don't have 有什么区别?

needn't和don't need to有什么区别?haven't和 don't have 有needn't和don't need to有什么区别?haven't和 don't have 有什么区别?
前者是当成情态动词的用法,后者是实义动词的用法
前者是助动词的用法,后者是实义动词的用法