Cool MateCannot 对比 Can't 对比 Unable
在英语中何时使用每一个，包含含义、语域和例句。
Cannot
前 1000（非常常见）A1
Can't
前 1000（非常常见）
Unable
前 2000（常见）B1adjective
| Cannot | Can't | Unable | |
|---|---|---|---|
| 发音 | 🇬🇧 /["/ˈkænɒt/"]/🇺🇸 /["/ˈkænɑːt/"]/ | 🇬🇧 //kɑːnt//🇺🇸 //kænt// | 🇬🇧 /["/ʌnˈeɪbl/"]/🇺🇸 /["/ʌnˈeɪbl/"]/ |
| 含义 | to be unable to do something | Cannot; not able to do something. | not able to do something |
| 例句 | I cannot believe the price of the tickets! | I can't attend the meeting tomorrow. | I was unable to attend the meeting due to a family emergency. |
| 语域 | 中性 | 中性 | 中性 |
| 常见程度 | 前 1000（非常常见） | 前 1000（非常常见） | 前 2000（常见） |
| CEFR 等级 | A1 | - | B1 |
| 词性 | adjective | ||
| 搭配 | cannot believe, cannot wait, cannot afford | can't help, can't wait, can't believe | appear, be, feel, completely, quite, totally, unwilling or unable |
| 反义 | can, able | can, able | able, capable |
| 常见错误 | Confused with 'can not' — it's always one word in negative form., Using 'cannot' in too formal a context — prefer 'can't' in casual speech., Incorrectly using 'cannot' in past tense situations. | Confused with 'can' - remember 'can't' means unable., Omitting the apostrophe - always write 'can't', not 'cant'. | Confused with 'unable to' and 'not able to' — they mean the same but usage can vary., Using 'unable' without a following action verb., Misplacing adjectives — remember 'unable' always describes capability. |
| 用法说明 | Use 'cannot' in any situation where something is impossible. Avoid using it in informal contexts where 'can't' is more common. | Use in informal spoken or written contexts. It's considered casual and may not be appropriate for formal writing. | Use 'unable' in situations where someone or something lacks the ability to perform an action. It's appropriate in both spoken and written contexts, but avoid in very casual conversations. |
常见问题：Cannot 对比 Can't 对比 Unable
Cannot、Can't和Unable 有什么区别？
Cannot: to be unable to do something Can't: Cannot; not able to do something. Unable: not able to do something
哪个更高级：Cannot、Can't和Unable？
Unable 级别最高，在 CEFR 量表上为 B1。
能各给一个例子吗？
Cannot: I cannot believe the price of the tickets! Can't: I can't attend the meeting tomorrow. Unable: I was unable to attend the meeting due to a family emergency.
我可以互换使用 Cannot、Can't和Unable 吗？
不总是。Cannot、Can't和Unable 相关，有时可以互换，但在语域、常见程度和用法上不同，所以换用可能改变意思或语气。替换前先看看上面的区别。