问题描述： 在什么情况下要用助动词do麻烦说得简单点,最好有点例句 1个回答 分类：英语 2014-10-29 问题解答： 我来补答 1.肯定句变为否定句和疑问句时,如：They play games every day .---->They do not play games every day .---->Do they play games every day Sit down .---->Do not sit down .2.强调动作时,如：Please go there.---->Please do go there. 展开全文阅读
