need的否定句什么时候是needn’t 什么时候是don’t need
need的否定形式什么时候该用needn't什么时候该用don't need
need的否定形式need的否定是needn't还是don't need 用法怎么样
关于need,情态动词和行为动词need的区别是什么,什么时候用needn't什么时候用doesn't need,
don't need,needn't 的区别
needn't don't need
英语里的实义动词和情态动词怎样区分 不如什么need :什么时候用needn't to do 和don't need t
为什么need的否定有时像这句Truth needs no color 是后面加no 而不是needn't 和 don'
We need some milk and Coke(改为否定句) we don't need和we needn't有啥
回答must的否定句什么时候用mustn't什么时候用needn't?
needn't与don't need
don't need to 和needn't
don't need 等不等于 needn't