needn't与don't need to怎么用,两者有没有什么被动语态之类的关系?

needn't与don't need to怎么用,两者有没有什么被动语态之类的关系? needn't 和 don't need to 有什么不同? don't need to do 与needn't do 有什么区别? needn't to come,don't need come,don't need coming与needn't co "don't need to" 与 "don't have to"、"needn't" 的意义相同吗 英语语法don't have to 与 don't need to的区别和用法don't need to和 needn' don't need to 和needn't needn't与don't need don't need 和needn't 有什么区别啊? don't need 和 needn't 有什么区别? 英语don't need 和needn't有什么区别? needn't和don't need to有什么区别?haven't和 don't have 有