could

[kud]

can的过去式
aux.可以, 能, 可能

v.aux.

1. can的过去式

She could play the violin when she was five.

她五岁时便能拉小提琴了。

2. (用于虚拟语气, 表示与事实相反的设想)能, 可以

I wish I could go to France.

但愿我能去法国。

I would go if I could.

能去我就去。

3. (表示可能性)可能

That could be my train.

那可能是我要乘的火车。

4. (用于婉转语气)能, 可以

Could I smoke here?

我可以在这里抽烟吗?

Couldn't you try it again?

你可否再试一下?

补充

couldcould英:[kud, kəd] 美:[kʊd]aux.v.1.(表示允准)Could I use your phone?让我用一下你的电话好吗?2.(表示请求)Could I come round next week?我下星期来拜访好吗?3.(表示结果)He studied very hard but couldn't pass his examination.他学习很努力, 但没能考及格。4.(表示可能性)It could be my mother.可能是我母亲。5.(表示建议)We could write a letter to the headmaster.我们不妨给校长写封信。

例句

1. In those days you could get a job easily.在那个年代人们可以轻松地找到工作。 2. I couldn't sleep because of the noise.噪声让我无法入睡。 3. They couldn't understand a word.他们一个字也听不懂。 4. He could be very pleasant when he wanted to be.他想要友好的时候会非常友好。 5. He could have made a fortune as a lawyer.他本可以当律师挣大钱的。 6. You could have been killed!你差点就没命了！ 7. You could be right.你可能是对的。 8. He could be in the library.他大概在图书馆。 9. They could have forgotten.他们可能忘记了。 10. She could have been delayed.她可能被耽搁了。 11. An improvement in living standards could be years away.可能多年之后生活水平才能得到提高。 12. Anne couldn't be expected to understand the situation.别指望安妮能弄明白当前情势。 13. He couldn't have been more than fourteen years old.他不可能超过十四岁。 14. Their hope was that a new democracy could be born.他们的希望是新的民主国家能够诞生。 15. I could always call the local doctor.我随时可以给当地医生打电话。 16. It's boring to walk all alone.—couldn't you go for walks with your friends?一个人走路很没意思。——你可以和朋友们一起去散步呀？ 17. could I speak to you in private?我可以跟你单独谈谈吗？ 18. He asked if he could make a phone call.他问是否可以打个电话。 19. Now, Dave, if I could just interrupt.那么, 戴夫, 抱歉打断一下。 20. could I stop you there?我能打断您一下吗？ 21. First of all, could I begin with an apology?首先, 请允许我表示歉意。 22. You could at least say hello!你至少该打个招呼！ 23. Why couldn't she have said something?她为什么就不能说点什么？ 24. She could have screamed with frustration.她失望得差点儿叫出来。 25. If I could afford it I'd have four television sets.如果我买得起, 我就想要四台电视机。 26. If only I could get some sleep, I would be able to cope.要是能睡上一会儿, 我就能应付了。 27. I couldn't be happier.我简直太开心了。 28. The news couldn't have come at a better time.这消息来得正是时候。 29. How could you!你怎么可以！ 30. How could I have been so stupid?我怎么会这么蠢？ 31. More cake?—Oh no, I couldn't.再来点儿蛋糕？——哦, 不, 不用了。 32. Of course, you could always ask your boss for permission to use the meeting room.当然, 你完全可以请老板允许你使用会议室。 33. It could be so.可能如此。 34. could I go?我能去吗? 35. could I borrow your pen?我可以借用你的笔吗? 36. It would help if he could wait.如果他能等待，那将会有所帮助。 37. He would have left if he could.如果他能够的话，他本来是会离开的。 38. could you wait?您等一下好吗? 39. they could be right.他们可能是对的。 40. I would go if I could afford it.如果负担得起我会去的。 41. could I use the phone?.我可以用这个电话吗？。 42. you could always ring him up.你可以随时给他打电话。 43. they could have told me!.他们本该告诉我的！。 44. he irritates me so much that I could scream.他让我如此恼怒，以至于我都想尖叫了。 45. I could run three miles without stopping when I was younger.我年轻一点的时候一口气能跑三英里。 46. Elena said we could stay at her house.埃琳娜说我们可以住在她家里。 47. I could do it now if you like.你喜欢的话，我现在就可以做。 48. She could be famous one day.她有朝一日会出名的。 49. He could have gone to university but he didn't want to.他本来可以上大学的，但他不想。 50. You could have said you were going to be late!(= I'm annoyed that you didn't)其实你可以预先说好会迟到的！ 51. could I possibly borrow your car?我可否借用你的车子？ 52. could you open the door? My hands are full.请你替我开门行吗？我两手都拿着东西。 53. ‘What do you want to do tonight?’ ‘We could go to the cinema or we could just stay in.’“你今晚想做什么？”“我们可以去看电影，或者就待在家里。” 54. "When I was younger I could run fast, but I can't run fast now."我年轻时能跑得很快，但现在不行了。 55. Years ago you could buy a record album for a quarter.多年前，花上二十五美分就能买到一张唱片。 56. "The car cost more than I could afford, so I bought a cheaper model."这款车的价格超出了我的支付能力，所以我买了较便宜的一款。 57. "From where we stood, we could see for miles."从我们所站的位置，我们能够远眺数英里。 58. She could be very rude at times. [=she was sometimes very rude]她有时会很粗鲁。 59. He never could quite fit in with the group.他从来没能融入这个团队。 60. "She said we could do whatever we wanted. [=she said, “You can do whatever you want.”]"她说我们想干什么都可以。 61. How could something like this happen?怎么会发生这种事？ 62. "You could [=might, may] be making the biggest mistake of your life!"你可能会犯下你一生最大的错误！ 63. This could be our only chance to get out of here.这可能是我们离开这里的唯一机会。 64. His recovery could take months.他的康复可能需要数月的时间。 65. This medicine could help your cold.这种药也许能治疗你的感冒。 66. "The evidence is not conclusive, but he could (very well) be right."虽然证据并不确凿，但他很可能是对的。 67. This news could mean trouble.这条新闻可能会引起麻烦。 68. Did you think he could still be alive?你认为他有没有可能还活着？ 69. That kind of thing could happen to anyone.那种事情有可能发生在任何人身上。 70. "They could still succeed, although it's not likely."虽然他们成功的可能性不大，但还是有可能的。 71. I think he could be trying to cheat us.我认为他可能会试图欺骗我们。 72. Do you think he could [=can] really be serious?你认为他会动真格的吗？ 73. could this be our ride? [=is this our ride?]这是我们要搭的车吗？ 74. You could have been seriously hurt.你本有可能受重伤。 75. The accident could have been worse.这次事故原本可能更严重。 76. The movie could have been better. [=the movie wasn't very good]这部电影本该更好。 77. They could have succeeded if they had worked harder.如果之前更加努力，他们可能已经成功了。 78. The error could have lost the game for them.这个差错险些使他们输掉这场比赛。 79. We could just as easily have fixed the engine ourselves.我们本来可以自己轻易修好这台发动机。 80. We would go if only we could—but unfortunately we can't.要是能去，我们就会去，但遗憾的是我们去不了。 81. We would have gone if only we could have—but unfortunately we couldn't.要是能去，我们就去了，但遗憾的是我们去不了。 82. I wish I could fly! = (formal) Would that I could fly!真希望我能飞起来！ 83. could you please pass me the salt?请把盐递给我好吗？ 84. could [=Can] I leave a little early today?我今天早点儿走行吗？ 85. "If you could come early, we would be pleased."如果您能早点儿来，我们会很高兴。 86. "“could I do it tomorrow instead of today?” “Yes, you can.”"“我今天不做明天再做，行吗？”“可以。” 87. could I get you a cup of coffee? [=do you want a cup of coffee?]您要喝杯咖啡吗？ 88. "If tape doesn't work, you could try glue."如果胶带不行，您可以试试用胶水。 89. "“Where can I stay?” “Well, you could always stay with me.”"“我住哪儿？”“嗯，你随时可以和我住。” 90. He could have at least paid for dessert!他至少该把甜点钱付了嘛！ 91. Why are you always late? You could try being on time for once!你为什么总是迟到？你试着准时一回总可以嘛！ 92. "If she wasn't going to make it, she could have called."如果她不打算出席，也该打个电话呀。 93. You could at least tell me why you were late!你至少应该告诉我你为什么迟到！ 94. I could have died of embarrassment! [=I was very embarrassed]我窘得要死！ 95. I could just kill him! [=I am very angry at him]我真想杀了他！ 96. "When she told me I'd won, I could almost have hugged her! [=I felt like hugging her]"当她告诉我我赢了的时候，我真想拥抱她！ 97. I'm so frustrated I could scream! [=I feel like screaming]我沮丧透了，真想大喊大叫！ 98. What could be better than this?还有什么会比这个更好呢？ 99. Registering could not be simpler. [=registering is very simple]注册简直太简单了。 100. I could hardly be more pleased [=I'm very pleased] with the way things are going.我对事态的发展非常满意。 101. The situation couldn't be worse/better. [=the situation is as bad/good as it can be]情况糟透/好极了。 102. I couldn't be happier [=I'm very happy] with the way our new kitchen looks.我简直太喜欢我们新厨房的样子了。 103. Is there a restaurant nearby? I could do with something to eat.附近有饭馆吗？我想要吃点东西。 104. This room could do with a fresh coat of paint.这房间需要新刷一遍漆。