问题描述: have to 的否定形式是? 1个回答 分类:英语 2014-09-29 问题解答: 我来补答 don't/ doesn't/ didn't have to 没必要相当于 needn't You don't have to go there.= You needn't go there.= You don't need to go there= It is unnecessary for you to go there.你没必要去那 展开全文阅读