Excuse me, could you tell me the way to the bus station? Could you help me? (4)could have done
本能做但未做,表虚拟语气
I could have done it well,but I wasn’t so careful then .
3. may和might的用法 (1) may, might表示推测“可能性”时,意思是“可能”、“也许” He may / might be American. = It is possible that he is American. 他可能是个美国人。 注:might不表示过去时态,只是语气上比may更委婉,表示的可能性更小。 (2)may, might表推测时,可以用于否定句,意思是“可能不、也许不”,但不用于疑问句。 He may / might not be at home. 他也许不在家。 (3)may, might可以推测现在正在发生的动作或过去发生的动作。 He may / might be sleeping now.
The boy may / might not be watching TV at home.
这个男孩可能没在家看电视 These students may / might have seen the film
before.(过去)
这些学生以前可能看过这部电影。
Choose the best answers : 1. I thought you______ like something to read. So I have brought you some books.
A. ought
B. might
C. would
D. must 2. –That man must be Sarah’s husband. --No, he_____ be her husband. She is still single. A. can’t
B. mustn’t
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