问题描述: this room is as large as that one.请问这里用不用加is,为什么?这句话的否定形式是什么? 1个回答 分类:英语 2014-09-30 问题解答: 我来补答 否定句:This room isn't as large as that one.要加is,否则没有谓语了啊large是形容词,作表语,as large as 是与..一样大,还是表语,因此要加is的 展开全文阅读