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TOEFL BNC: 35 COCA: 37
can
kæn kən kɑːnt AM kænt kæn kən kæn kən
Word forms: plural , 3rd person singular present tense cans, present participle canning, past tense , past participle canned

MODAL USES 情态动词用法

Can is a modal verb. It is used with the base form of a verb. The form cannot is used in negative statements. The usual spoken form of cannot is can't, pronounced /kɑːnt, AM kænt/. can 是情态动词,与动词原形连用。cannot 用于否定句中,口语中通常作 can't,读作 /kɑːnt, am 美 kænt/。
1 MODAL (表示某事物的特点)能够，可以 You use can when you are mentioning a quality or fact about something which people may make use of if they want to. (表示某事物的特点)能够，可以

  • Pork is also the most versatile of meats. It can be roasted whole or in pieces.

    在肉类中,猪肉的做法也是最多的,可以整块烤来吃,也可以切片烤来吃。

  • Luckily, iron can be reworked and mistakes don't have to be thrown away.

    所幸的是,铁可以再加工,次品、废品不必被扔掉。

  • A central reservation number operated by the resort can direct you to accommodations that best suit your needs.

    该旅游胜地开设的预约中心电话可指引你找到最适合你的住处。

  • A selected list of some of those stocking a comprehensive range can be found in Chapter 8.

    第8章选列了一些备货品种齐全的商家

  • ...the statue which can still be seen in the British Museum.

    在大英博物馆仍能看见的雕像

2 MODAL (表示有能力或机会)能，会，可以 You use can to indicate that someone has the ability or opportunity to do something. (表示有能力或机会)能，会，可以

  • Don't worry yourself about me, I can take care of myself.

    你别担心我,我能照顾好自己。

  • I can't give you details because I don't actually have any details.

    我没办法给你提供细节,因为我并不了解任何细节。

  • Oh Stephen darling, how can I ever thank you for being so kind?.

    哦,亲爱的斯蒂芬,你对我这么好,叫我怎么感谢你呢?

  • See if you can find Karlov and tell him we are ready for dinner.

    去看看能不能找到卡洛夫,告诉他要吃晚饭了。

  • 'You're needed here, Livy' — 'But what can I do?'.

    “莉薇,这里需要你。”—“可我能做些什么呢?”

  • The United States will do whatever it can to help Greece.

    美国将竭尽所能帮助希腊。

  • I cannot describe it, I can't find the words.

    我描述不上来,我找不到合适的字眼。

  • Customers can choose from sixty hit titles before buying.

    顾客可以从60种热卖图书中选购。

  • You can't be with your baby all the time.

    你不能总守在你的宝宝身边。

3 MODAL (用于否定句，表示情况不允许)不能，无法 You use cannot to indicate that someone is not able to do something because circumstances make it impossible for them to do it. (用于否定句，表示情况不允许)不能，无法

  • People who can't afford to go to the theatre or concerts can afford to go to football matches.

    看不起电影或听不起音乐会的人可以去观看足球赛。

  • We cannot buy food, clothes and pay for rent and utilities on $20 a week.

    一个星期才20美元,不够我们吃穿、付房租及水电等费用的。

  • She cannot sleep and the pain is often so bad she wants to scream.

    她睡不着觉，常常疼得直想尖叫。

4 MODAL 有可能;有时会 You use can to indicate that something is true sometimes or is true in some circumstances. 有可能;有时会

  • ...long-term therapy that can last five years or more.

    有可能持续5年乃至更长时间的长期治疗。

  • A vacant lot or a bombsite can, to the amateur naturalist, produce an extraordinary variety of flora and fauna.

    对于业余博物学者来说,在一片空地上或被炸后的废墟里可能发现种类繁多的植物群和动物群。

  • I've quite forgotten how closed in London can seem.

    我都快忘了,伦敦有时看上去会多么地闭塞。

  • Exercising alone can be boring.

    独自锻炼会很枯燥。

  • The speed at which we talk can also convey a great deal.

    我们的语速同样能传达许多信息。

  • Coral can be yellow, blue, or green.

    珊瑚有黄色的、蓝色的或绿色的。

5 MODAL (用于否定句，表示确信某事不真实或不会发生)不可能，不会 You use cannot and can't to state that you are certain that something is not the case or will not happen. (用于否定句，表示确信某事不真实或不会发生)不可能，不会

  • From her knowledge of Douglas's habits, she feels sure that the attacker can't have been Douglas.

    根据她对道格拉斯习性的了解,她敢断定他不可能是那个袭击者。

  • Things can't be that bad.

    情况不会糟到那个地步。

  • You can't be serious, Mrs Lorimer?

    洛里默夫人,你该不会是认真的吧?

6 MODAL (表示允许)可以 You use can to indicate that someone is allowed to do something. You use cannot or can't to indicate that someone is not allowed to do something. (表示允许)可以

  • You must buy the credit life insurance before you can buy the disability insurance.

    你必须先购买信用人寿保险,方可购买伤残保险。

  • No-one can set up a waste disposal company unless they can show that they've got enough money and trained staff to do the job properly.

    任何人若想成立废品处理公司,必须证明其拥有足够资金和受训员工以保证工作可以顺利开展。

  • Here, can I really have your jeans when you grow out of them?.

    喂,等你穿不下这些牛仔裤时真的可以给我吗?

  • We can't answer any questions, I'm afraid.

    恐怕我们不能回答任何问题。

  • I can't tell you what he said.

    我不能把他说的话告诉你。

  • You cannot ask for your money back before the agreed date.

    约定的日期没到,你不能把钱要回去。

  • I'm on tablets and I can't drive.

    我在服药,不能开车。

7 MODAL 不行;不能;不该 You use cannot or can't when you think it is very important that something should not happen or that someone should not do something. 不行;不能;不该 [emphasis]

  • It is an intolerable situation and it can't be allowed to go on.

    这种情况忍无可忍,不能再任其继续下去了。

  • The Commission can't demand from Sweden more than it demands from its own members.

    委员会对瑞典的要求不能比对自己的会员国要求都多。

8 MODAL (通常用于疑问句，表示建议或提议帮忙)能 You use can, usually in questions, in order to make suggestions or to offer to do something. (通常用于疑问句，表示建议或提议帮忙)能

  • What can I do around here?.

    我在这儿能做点儿什么?

  • This old lady was struggling out of the train and I said, 'Oh, can I help you?'.

    我看见这位老太太正颤巍巍地下火车,就问:“嗯,我来帮您一把吗?”

  • Hello John. What can we do for you?.

    喂,约翰!我们能帮你做点什么吗?

  • You can always try the beer you know — it's usually all right in this bar.

    你尽可以来点儿啤酒—在这家酒吧一般是允许的。

9 MODAL (用于疑问句时,can 表示礼貌的请求，而 can't 表示强烈请求） You use can in questions in order to make polite requests. You use can't in questions in order to request strongly that someone does something. (用于疑问句时,can 表示礼貌的请求，而 can't 表示强烈请求） [politeness]

  • Can I have a look at that?.

    我能不能看一眼那个?

  • Can you please help?.

    请你帮个忙好吗?

  • Can you just lift the table for a second?.

    能不能请你把桌子抬一下?

  • Can you fill in some of the details of your career?.

    能不能把你的工作经历填得详细一点?

  • Why can't you leave me alone?

    你能不能别来烦我?

10 MODAL (用于有礼貌地打断,或引导要说的话)能,可以 You use can as a polite way of interrupting someone or of introducing what you are going to say next. (用于有礼貌地打断,或引导要说的话)能,可以 [formal, spoken]

  • Can I interrupt you just for a minute?.

    我能不能打断你们一下?

  • But if I can interrupt, Joe, I don't think anybody here is personally blaming you.

    对不起,乔,我插一句,可我认为在座的没有谁在埋怨你。

  • Can I just ask something 'cos I'm really quite interested in this.

    我能不能问个问题,因为我对这个真的很感兴趣。

11 MODAL (与 imagine, think, believe 等动词连用,用来加强语气)能 You use can with verbs such as 'imagine', 'think', and 'believe' in order to emphasize how you feel about a particular situation. (与 imagine, think, believe 等动词连用,用来加强语气)能 [informal, or spoken, emphasis]

  • You can imagine he was terribly upset.

    你能想象得出来,他当时心里乱得要命。

  • You can't think how glad I was to see them all go.

    你都想象不到,我看到他们全都走了,心里是多么高兴。

  • It's been an appallingly busy morning, I can't tell you.

    我今天一上午那个忙啊,都没法说。

  • I can't understand why folks complain about false teeth.

    我就不明白,人们为什么老是抱怨假牙的问题。

12 MODAL (与 how 一起用于疑问句,表示感受强烈)能,能够 You use can in questions with 'how' to indicate that you feel strongly about something. (与 how 一起用于疑问句,表示感受强烈)能,能够 [spoken, emphasis]

  • How can you complain about higher taxes?.

    你怎么能抱怨税费的提高呢?

  • How can millions of dollars go astray?.

    几百万美元怎么可能不翼而飞呢?

  • How can you say such a thing?.

    你怎能说出这种话来?

  • How can you expect me to believe your promises?

    你怎能指望我相信你的承诺?

Usage Note :

  • Can, could, and be able to are all used to talk about a person's ability to do something. They are followed by the infinitive form of a verb. You use can or a present form of be able to to refer to the present, although can is more common. They can all read and write... The snake is able to catch small mammals. You use could or a past form of be able to to refer to the past, and 'will' or 'shall' with be able to to refer to the future. Be able to is used if you want refer to doing something at a particular time. After treatment he was able to return to work. Can and could are used to talk about possibility. Could refers to a particular occasion and can to more general situations. Many jobs could be lost... Too much salt can be harmful. When talking about the past, you use could have and a past participle. It could have been much worse. You also use can for the present and could for the past to talk about rules or what people are allowed to do. They can leave at any time. Note that when making requests either can or could may be used. Can I have a drink?... Could we put the fire on? However, could is always used for suggestions. You could phone her and ask.

    can, could 和 be able to 都可以表示某人有能力做某事, 后接动词原形。can 和 be able to 的现在式指现在, 不过 can 更常见: They can all read and write (他们都能读会写), The snake is able to catch small mammals (蛇能捕捉小型哺乳动物)。用 could 或 be able to 的过去式表示过去, will 或 shall 与 be able to 连用指将来。表示特定时间做某事时, 用 be able to: After treatment he was able to return to work (经过治疗, 他又能上班了)。can 和 could 可用来谈论可能性, could 指特定场合, can 指较一般的情况: Many jobs could be lost (可能会失去许多工作岗位), Too much salt can be harmful (食盐过多会有害处)。谈论过去则用 could have 加过去分词: It could have been much worse (原本会更糟糕)。表示规则或获准做某事, 可用 can 指现在, could 指过去: They can leave at any time (他们随时可以离开)。注意, 表示请求时, can 和 could 都能用: Can I have a drink (给我来杯饮料好吗), Could we put the fire on (我们可以把火点上吗)。然而, 提建议时总用 could: You could phone her and ask (你可以打电话给她问问看)。

Usage
Usagecan and may
Both can and may are used to talk about possibility and permission: Highway traffic can/may be heavier in the summer than in the winter. Can/May I interrupt you for a moment? To talk about ability, use can but not may: Kazuo can run a mile in five minutes.
Trends of can
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CONTAINER 容器

TOEFL BNC: 35 COCA: 37
can

noun

  ➡ see also tin ADJECTIVE | VERB + CAN | CAN + NOUN | PREPOSITION ADJECTIVE➤aluminium/aluminum, metal, tin鋁罐；金屬罐；錫鐵罐➤empty空罐▸➤8 oz, 300 g, 250 ml, etc. * 8 盎司、300 克、250 毫升等的罐頭◇a 200 g can of tuna200 克罐裝金槍魚➤food食品罐◇The floor was littered with empty food cans.地板上亂扔着空食品罐。➤beer, Coke™, pop, soda (NAmE) 啤酒罐；可樂罐；易拉罐；汽水罐➤soup, tuna, etc.湯罐頭、金槍魚罐頭等▸➤gas, jerry, oil, petrol (BrE) 汽油罐；（盛放汽油等的）扁平手提箱；油罐▸➤paint油漆罐➤garbage, trash (both NAmE) 垃圾桶▸➤watering灑水壺◇We keep the hoses and watering cans in the shed at the end of the garden.我們把軟管和灑水壺存放在花園盡頭的棚屋裏。➤aerosol, spray噴霧罐；氣霧噴霧器VERB + CAN➤come in用罐裝◇This type of milk comes in a can.這種牛奶是罐裝的。➤open開罐◇We opened a can of sardines for lunch.我們開了一罐沙丁魚罐頭作午餐。➤drain, empty喝乾／倒空罐裏的⋯◇She drained her can of beer and threw it away.她喝乾了那罐啤酒，然後把罐扔了。◇He emptied a can of beans into the pan.他把一罐豆子倒在平底鍋裏。➤drink, sip喝罐裝的⋯；小口抿罐裝的⋯▸➤drink from, sip at, sip from喝罐裏裝的⋯；小口抿罐裏裝的⋯◇She sipped from a can of Coke.她小口地喝一罐可樂。➤fill裝滿罐子◇He filled a can with water from the pump.他用水泵把罐子加滿水。➤recycle回收利用罐子CAN + NOUN➤opener (usually can-opener) (especially NAmE) 開罐器PREPOSITION➤in a/the can在罐裏▸➤can of一罐⋯◇cans of oil一罐油
TOEFL BNC: 35 COCA: 37
can noun
⇨ packet
TOEFL BNC: 35 COCA: 37

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