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詞匯 could
釋義
could/k?d,k?d/ modal v couldnt/′k?dnt/]

(1)能,會(huì)(indicating physical or mental ability)(can的過去式):He~play the piano when he was only a child.他小時(shí)候就會(huì)彈鋼琴。She said she~swim very well.她說她游泳很好。(見【慣用法】1))

(2)可以(indicating permission)(can的過去式):C~I(xiàn) borrow your dictionary,please? 可以借用一下你的詞典嗎? Mother said I~go to the pictures.媽媽說我可以去看電影。(見【慣用法】2))

(3)請(indicating requests):C~you help me with this box? 請幫我拿一下這個(gè)盒子好嗎? If you~just open the door.請開一下門好嗎?(見【慣用法】3))

(4)可能(indicating possibility):You~be right,but I don't think you are.你也許是對的,但我不這么認(rèn)為。He~n't be her father;he's too young.他不可能是她的父親;他太年輕了。What~have become of him now? 他現(xiàn)在會(huì)是什么樣子呢? She~have gone with some friends.她有可能和幾個(gè)朋友走了。He~n't have heard them because of the noise.那么亂,他不可能聽見他們的話。You~have caught the train if you had taken a taxi.你要是乘出租車的話就趕上火車了。You~at least have sent a card.你本來至少可以寄一張賀卡的。

(5)可以,應(yīng)當(dāng)(used to make suggestions):We~go to the cinema tonight.我們今晚去看電影吧!C~we meet again tomorrow? 我們明天再見面好嗎? You~write a letter to the headmaster.你可以給校長寫封信。

(6)(以便)能夠(might;would be able to)(用于目的狀語從句中):He left early so that he~catch his train.他走得很早,以便能趕上火車。

【慣用法】1)could不可表示過去具體某一次行為的能力,此時(shí)要用be able to,manage to,succeed in等,如:I was able/managed to finish the homework in an hour.(我能夠/設(shè)法一小時(shí)內(nèi)把作業(yè)做完。)2)could只可用于請求別人“允許”或轉(zhuǎn)述他人“允許”,不可用于表示說話者對他人的允許(見can【辨異】1))。此外,表示具體某一次的允許時(shí),須用be allowed to代替could,如:The children were allowed to(*could) stay up late last night.(孩子們昨天夜里獲準(zhǔn)晚睡了。)3)表示請對方做某事時(shí),could比can 客氣,說話帶試探性口吻。

【辨異】1)couldcan1may (might1)表示“可能性”時(shí)的區(qū)別見CAN1;2)couldcan1may (might1)表示“也許”時(shí)的區(qū)別見CAN1;3)couldcan1shall表示建議時(shí)的區(qū)別見CAN1。

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更新時(shí)間:2026/5/14 21:31:39