问题描述: 动词开头,用原型还是ing?如题 1个回答 分类:英语 2014-12-08 问题解答: 我来补答 不一定,如果是祈使句还是原形,如:work hard and you will succeed!作为动名词开头救用ing,如:Walking is a good way to lose weight. 展开全文阅读