助动词do 的用法
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7 c, D2 ~6 s4 D" p' j. Y9 E& c1) 构成一般疑问句,例如:7 b( }* z4 s1 O7 J0 ]; |
Do you want to pass the CET? 你想通过大学英语测试吗?
4 H" L& S2 }3 @9 A% `3 y+ a7 x Did you study German? 你们学过德语吗?% N* g O* e0 g/ K' h8 M
2) do + not 构成否定句,例如:
6 Q( ]; C9 A, @% d I do not want to be criticized. 我不想挨批评。: z, e/ G, e4 D# T1 m
He doesn't like to study. 他不想学习。( N b7 _ X! g6 x
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。* A* P8 a0 g! R- s, ?6 R& b" u
3) 构成否定祈使句,例如:
Z8 A" A1 m( d2 Y" E9 w3 G/ n; I Don't go there. 不要去那里。: h9 I: U; e) Z) P/ }! k h
Don't be so absent-minded. 不要这么心不在焉。% b2 M9 w! x# u( A$ q
说明: 构成否定祈使句只用do,不用did和does。
% _, J8 ]+ t. i0 z- w# o) F4) 放在动词原形前,加强该动词的语气,例如:
- t# p! x0 e5 P Do come to my birthday party. 一定来参加我的生日宴会。9 u$ i `( E& {& w$ o
I did go there. 我确实去那儿了。
7 N# Y. }: {8 ^. g8 p4 c. A I do miss you. 我确实想你。3 G) n1 Q" o& y& F
5) 用于倒装句,例如:; \% @' h! c |; ?; X
Never did I hear of such a thing. 我从未听说过这样的事情。
) j: Q% | Z- k* X: S Only when we begin our college life do we realize the importance of English.中 华 考 试 网+ I6 \: ]: J/ ?4 Q x' t' Q+ _! t
只有在开始大学生活时我们才认识到英语的重要性。. u3 b0 H% d) {3 o5 v* @
说明: 引导此类倒装句的副词有never, seldom, rarely, little, only, so, well等。5 m: B: W, `( Q1 m5 |; c, W; I3 L- ^
6) 用作代动词,例如:$ S9 g! Q1 {! u( L
---- Do you like Beijing? --你喜欢北京吗?
, T- Y3 Z; I5 u3 R3 W1 U8 y: e. t ---- Yes, I do. --是的,喜欢。(do用作代动词,代替like Beijing.). j4 X9 j+ @" |
He knows how to drive a car, doesn't he?6 J7 O' \) A L6 a) t; f7 n- w/ c
他知道如何开车,对吧? |