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- aux. 能够
- v. 能（can的过去式）
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1. could you lend me some money?
你能借我点钱吗？
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2. Sorry, I couldn't get any more.
对不起，我无法弄到更多了。
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3. I could do it now, if you like.
如果你愿意的话，我现在就可以做这事。
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4. We could write a letter to the director.
我们不妨给主管写封信。
- could (v.) Old English cuðe, past tense of cunnan "to be able" (see can (v.1)); ending changed 14c. to standard English -d(e). The unetymological -l- was added 15c.-16c. on model of would, should, where it is historical. Could be as a response to a suggestion, indicating it may be correct, is by 1938.
could ★ / kəd ; NAmE kəd / / strong form kʊd strong form kʊd / modal verb ( negative could not , short form couldn't / ˈkʊdnt ; NAmE ˈkʊdnt / ) 1 ★ used as the past tense of ‘can’ （用于 can 的过去时） ◆ She said that she couldn't come. 她说她来不了。 ◆ I couldn't hear what they were saying. 我听不见他们在说些什么。 ◆ Sorry, I couldn't get any more. 对不起，我无法弄到更多了。 ☞note at can 1 2 ★ used to ask if you can do sth （询问是否可做某事）能，可以 ◆ Could I use your phone, please? 请让我用一下你的电话可以吗？ ◆ Could we stop by next week? 我们下周能过来一下吗？ 3 ★ used to politely ask sb to do sth for you （礼貌地请求别人做事）能，可以 ◆ Could you babysit for us on Friday? 你星期五帮我们看一下孩子好吗？ 4 ★ used to show that sth is or might be possible （表示可能）可能 ◆ I could do it now, if you like. 如果你愿意的话，我现在就可以做这事。 ◆ Don't worry—they could have just forgotten to call. 别担心，他们可能只是忘了打电话。 ◆ You couldn't have left it on the bus, could you? 你不可能把它落在公共汽车上了吧？ ◆ ‘Have some more cake.’ ‘Oh, I couldn't, thank you (= I'm too full).’ “再来点蛋糕吧。”“谢谢你，吃不下了。” 5 ★ used to suggest sth （用于建议）可以 ◆ We could write a letter to the director. 我们不妨给主管写封信。 ◆ You could always try his home number. 你总可以试着给他往家里打电话呀。 6 ★ used to show that you are annoyed that sb did not do sth （对某人未做某事表示恼怒）本来可以 ◆ They could have let me know they were going to be late! 他们要晚来，也该早告诉我一声呀！ 7 ( informal) used to emphasize how strongly you want to express your feelings （强调感觉）真想 ◆ I'm so fed up I could scream! 我烦透了，非大喊大叫不可！ ☞note at modal IDIOM could do with sth ( informal) used to say that you need or would like to have sth （表示需要或希望有）想要 ◆ I could do with a drink! 我真想喝一杯！ ◆ Her hair could have done with a wash. 她的头发该洗一洗了。 could / kəd ; NAmE kəd / couldn't / ˈkʊdnt ; NAmE ˈkʊdnt /
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