问题描述： 你能写出多少个情态动词和助动词?每种词8～9个就行了 1个回答 分类：英语 2014-09-17 问题解答： 我来补答 情态动词：can /could may/might shall/should will/would must ought to may/might shall/should will/would must ought to 最常用的助动词有：be,have,do,shall,will,should,would 展开全文阅读
