【简明语法】5.5 助动词do 的用法_英语语法
1) 构成一般疑问句,例如:
do you want to pass the cet? 你想通过大学测试吗?
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,好多不知道的重要性。
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.
只有在开始大活时我们才认识到的重要性。
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?