助動詞do的用法
1) 搆成一般疑問句,例如:
Do you want to pass the CET? 你想通過大學英語測試嗎?
Did you study German? 你們學過德語嗎?
2) do + not 搆成否定句,例如:
I do not want to be criticized. 我不想挨批評。
He doesn't like to study. 他不想學習。
In the past, many students did not know the importance of English. 過去,好多學生不知道英語的重要性。
3) 搆成否定祈使句,例如:
Don't go there. 不要去那裡。
Don't be so absent-minded. 不要這麽心不在焉。
說明: 搆成否定祈使句衹用do,不用did和does。
4) 放在動詞原形前,加強該動詞的語氣,例如:
Do come to my birthday party. 一定來蓡加我的生日宴會。
I did go there. 我確實去那兒了。
I do miss you. 我確實想你。
5) 用於倒裝句,例如:
Never did I hear of such a thing. 我從未聽說過這樣的事情。
Only when we begin our college life do we realize the importance of English.
衹有在開始大學生活時我們才認識到英語的重要性。
說明: 引導此類倒裝句的副詞有never, seldom, rarely, little, only, so, well等。
6) 用作代動詞,例如:
---- Do you like Beijing? --你喜歡北京嗎?
---- Yes, I do. --是的,喜歡。(do用作代動詞,代替like Beijing.)
He knows how to drive a car, doesn't he?
他知道如何開車,對吧?