问题描述: 否定句怎么改?he can swim和l can draw 明天要交作业的! 1个回答 分类:英语 2014-10-12 问题解答: 我来补答 He can't swim.I can't draw.改否定句就是在动词,助动词,情态动词后加not 展开全文阅读