问题描述： there 有没有单数形式?there be 句型 该单数形式要变there吗? 1个回答 分类：英语 2014-11-22 问题解答： 我来补答 不需要,单复数变得是be比如,There is a deskThere are two applesThere was a tree in my yard a year ago There were two trees in my yard a year ago 展开全文阅读
