问题描述: I met Mr Smith in Shanghai Street this morning改为否定句 1个回答 分类:英语 2014-11-14 问题解答: 我来补答 I didn't meet Mr Smith in Shangha Street this morning.英语中的实义动词变否定句要借助助动词do,一般为don't/dosen't/didn't+V(动词原型)此句是一般过去时,所以用didn't,再把后面的部分加上就可以得到否定句了^_^ 展开全文阅读