| 释义 |
🔑couldcould /kəd ; strong form强读式 kʊd / modal verb (negative could not, short form could·n't /ˈkʊdnt /)- used for saying that someone had the ability or was allowed to do something能够；可以◆I could run two miles without stopping when I was younger.我年轻些的时候能够一口气跑二英里。◆My grandma could cook really well.我祖母做饭做得特别好。◆My mom said we could borrow her car.我妈妈说我们可以借她的车。
- used for saying that something is, will be, or was possible可能◆I could do it now if you want.你想的话，我现在就能做。◆He could be famous one day.有朝一日他也许会出名的。◆He could have gone to college, but he didn't want to.他本来可以上大学，但是他不想上。◆You could have said you were going to be late! (= I am annoyed that you didn't) 你本可以说一声你会迟到啊！
➨ GRAMMAR 语法说明If something was possible on one occasion in the past, we use was / were able to, not could.如果指过去某一次做成的事，用 was / were able to，不用 couldThe firefighters were able to rescue the children.消防队员成功地救出了那些孩子。However, in negative sentences, could not can be used too.但在否定句中也可用 could notThe firefighters weren't able to / couldn't rescue the children.消防队员没能救出那些孩子。- used for asking permission politely（表示客气地请求许可）◆Could I use your phone?我能用一下你的电话吗？
- used for asking someone politely to do something for you（表示礼貌地请人帮忙）◆Could you open the door? My hands are full.你开一下门好吗？我两手都拿着东西。
- (informal) used to emphasize how strongly you want to express your feelings（强调非常想表达感受）◆I'm so mad, I could scream!我快要发疯了，我真想大叫！
- used with the verbs “feel,” “hear,” “see,” “smell,” and “taste”（与动词 feel、hear、see、smell、taste 连用）◆I couldn't hear what she said.我听不见她的话。◆We could hear the birds singing.我们听到鸟儿在啼啭。
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