问题描述: my favorite season is summer改为否定句 1个回答 分类:英语 2014-09-21 问题解答: 我来补答 My favorite season isn't (is not )summer.注意:含be动词,如am,is,are等的句子,变否定句时直接在be动词之后加not. 展开全文阅读