问题描述: can,could ,may,might提问的句子的肯定与否定回答分别是什么? 1个回答 分类:英语 2014-10-10 问题解答: 我来补答 肯定回答 否定回答can can can't could can can'tmay can/may may not/ mustn'tmight can/might may notmust must need notneed need need not 展开全文阅读