| 单词 | could |
| 释义 | could/kəd;strong form kʊd ||; kəd; kυd/modal verb (negative could not short form couldn't /ˈkʊdnt ||; ˈkυdṇt/) 1. used for saying that sb had the ability or was allowed to do sth （用于表示曾经有能力或被允许做某事）: ◇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。◇elena said we could stay at her house. 埃琳娜说我们可以住在她家里。 if something was possible on one occasion in the past, use was/were able to or managed to the firemen were able to/managed to rescue the children.but in negative sentences could not can be used, too the firemen couldn't rescue the children. 若指某事在过去可能发生，可用was／were able to或managed to：the firemen were able to/managed to rescue the children. 消防员成功把孩子们救出。否定句中也可以用could not：the firemen couldn't rescue the children. 消防员无法把孩子们救出。 2. used for saying that sth may be or may have been possible （用于表示某事有可能或本来有可能发生）: ◇i could do it now if you like. 你喜欢的话，我现在就可以做。◇she could be famous one day. 她有朝一日会出名的。◇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。◇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！ 3. used for asking permission politely （用于礼貌地请求准许）: ◇could i possibly borrow your car? 我可否借用你的车子？ 4. used for asking sb politely to do sth for you （用于礼貌地请求别人做某事）: ◇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。 for more information about modal verbs, look at the quick grammar reference section at the back of this dictionary. 有关情态动词的详细用法，参看本词典末“语法便览”部份。 5. used for making a suggestion （用于提出建议）: ◇‘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。” 6. used with the verbs ‘feel’, ‘hear’, ‘see’, ‘smell’, ‘taste’ （与feel、hear、see、smell、taste等动词连用）these verbs are not used in the continuous tenses. if we want to talk about seeing, hearing, etc at a particular moment in the past, we use could we could hear/see children playing outside. (notwe were hearing…) 这些动词不用于进行时。若指曾经看见、听见等可用could：we could hear／see children playing outside. 我们听见／看见孩子们在外面玩耍。（不可说we were hearing…）could• ⇨ may/might/could could /kəd; kəd; strong 强读 kd; kʊd/modal verb 1. the past tense of can ☆ can 的过去式:◇could you understand what he was saying? 你能听懂他在说什么吗？◇she said she couldn't find it. 她说她无法找到那东西。 2. used to say that something is possible or may be true ［表示可能性］:◇most accidents in the home could easily be prevented. 大多数家庭事故可以轻易避免。◇you could be right, i suppose. 我想你可能是对的。◇how could anyone be so cruel? (=how is it possible?) 怎么会有人如此残忍？◇if you could live anywhere in the world, where would it be? 如果你可以住在世界上任何地方，你会住在哪儿？◇could have (=used to say that something might have happened, especially when it did not happen) ［过去］本来可以; 本来可能; 本来会［尤用于实际并未发生的情况下］: she could have been killed. 她险些没命。 3. could you/could i etc spoken used to politely ask someone to do something, or ask permission to do something 【口】 您能/我能等…吗［用于有礼貌地请求某人做某事或请求允许做某事］:◇could i ask you a couple of questions? 我能问您几个问题吗？◇could you open the window? 您能把窗打开吗？ 4. used to suggest doing something ［用于建议做某事］:◇you could try calling his office. 你可以试试打电话到他的办公室。◇could always we could always stop and ask directions. 我们可以不时停下来问路。 5. i could spoken used to say that you feel angry, sad, hungry etc enough to do something 【口】 我［气得、沮丧得、饿得等］会［做某事］:◇i could have killed him when he said that! 当他说那句话时，我气得差点杀了他！ ☞ could |
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