Cool MateCannot vs Can't
When to use each in English, with meaning, register, and examples.
Cannot
Top 1,000 (very common)A1
Can't
Top 1,000 (very common)
| Cannot | Can't | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈkænɒt/"]/🇺🇸 /["/ˈkænɑːt/"]/ | 🇬🇧 //kɑːnt//🇺🇸 //kænt// |
| Meaning | to be unable to do something | Cannot; not able to do something. |
| Example | I cannot believe the price of the tickets! | I can't attend the meeting tomorrow. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | A1 | - |
| Collocations | cannot believe, cannot wait, cannot afford | can't help, can't wait, can't believe |
| Antonyms | can, able | can, able |
| Common mistakes | 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'. |
| Usage notes | 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. |
Frequently asked questions: Cannot vs Can't
What's the difference between Cannot and Can't?
Cannot: to be unable to do something Can't: Cannot; not able to do something.
Can you show an example of each?
Cannot: I cannot believe the price of the tickets! Can't: I can't attend the meeting tomorrow.
Can I use Cannot and Can't interchangeably?
Not always. Cannot and Can't are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.