5 助动词do 的用法 1) 构成一般疑问句.例如: Do you want to pass the CET? 你想通过大学英语测试吗? Did you study German? 你们学过德语吗? 2) do + not 构成否定句.例如: I do not want to be criticized. 我不想挨批评. He doesn't like to study. 他不想学习. In the past, many students did not know the importance of English. 过去.好多学生不知道英语的重要性. 3) 构成否定祈使句.例如: Don't go there. 不要去那里. Don't be so absent-minded. 不要这么心不在焉. 说明: 构成否定祈使句只用do.不用did和does. 4) 放在动词原形前.加强该动词的语气.例如: Do come to my birthday party. 一定来参加我的生日宴会. I did go there. 我确实去那儿了. I do miss you. 我确实想你. 5) 用于倒装句.例如: Never did I hear of such a thing. 我从未听说过这样的事情. Only when we begin our college life do we realize the importance of English. 只有在开始大学生活时我们才认识到英语的重要性. 说明: 引导此类倒装句的副词有never, seldom, rarely, little, only, so, well等. 6) 用作代动词.例如: ---- Do you like Beijing? --你喜欢北京吗? ---- Yes, I do. --是的.喜欢.(do用作代动词.代替like Beijing.) He knows how to drive a car, doesn't he? 他知道如何开车.对吧? 【查看更多】