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s the phone. B: Hmm. I wonder who it _______ (must be / could be / should be).could be4. A: I wonder if there are Jim’s glasses. B: They _______ (can’t be / might be / could be) his. He doesn’t wear glasses.can’t bewonder v. “想知道 ” (want to know)No wonder+句子, “難怪 .....”. No wonder you are angry. 難怪你覺得生氣。因?yàn)橛幸恍踉啤? These people may/might have seen the film before. (過去 ) 這些人以前可能看過這部電影。canmay / mightmay, might 可以推測(cè)現(xiàn)在正在發(fā)生的動(dòng)作或過去發(fā)生的動(dòng)作,還可以推測(cè)將來的情況。. They can’t be reading in the library. 他們一定不在圖書館讀書。 He must have finished the work. (過去 ) 他一定已經(jīng)完成了工作。. He must have a car now. (現(xiàn)在 ) 他一定有一輛小汽車。. He may/ might not be at home, but I’m not sure. 他可能不在家,不過我也不確定。 might不表示過去時(shí)態(tài),語氣更委婉,可能性更小。could可用于表示客氣、禮貌、委婉的請(qǐng)求語氣。. Don’t eat it. It could go bad. 不要吃它,它可能壞了。. He can’ t pick her schoolbag up. 他不可能拿了她的書包。He can’t know the answer.他肯定不知道答案Can he know the answer?他知道答案嗎?can表示推測(cè) “可能性 ”時(shí),一般用于否定句或疑問句。如果詢問可能性時(shí),應(yīng)該用 can。只能用于肯定句。我想也許是一頭熊或一匹狼。 It _____ be Mei’s hair band. Or it _____ belong to Lind