Cool MateCould vs Might
When to use each in English, with meaning, register, and examples.
Could
Top 1,000 (very common)A1
Might
Top 1,000 (very common)A2
| Could | Might | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/kəd//kʊd/","/ˈkʊdnt/"]/🇺🇸 /["/kəd//kʊd/","/ˈkʊdnt/"]/ | 🇬🇧 /["/maɪt/","/ˈmaɪtnt/"]/🇺🇸 /["/maɪt/","/ˈmaɪtnt/"]/ |
| Meaning | used to express possibility or ability in the past | used to say something is possible or to suggest something |
| Example | I could help you with your homework if you want. | You might want to bring an umbrella, as it looks like it might rain. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | A1 | A2 |
| Collocations | could have, could you, could not, could be | might consider, might want, might happen, might stay |
| Antonyms | couldn't, can't | must, should |
| Common mistakes | Confused with 'can' for present ability instead of past., Omitting the base verb after 'could'., Using 'could' for future intentions instead of 'would' or 'will'. | Confused with 'may' - 'might' suggests less certainty., Used incorrectly with past verbs - should say 'might have been'. |
| Usage notes | Used to talk about ability, requests, and possibilities. Considered neutral; avoid in very formal writing. | Use 'might' to express possibility or suggestions in a polite way. It's less certain than 'may'. More common in spoken English. Avoid in very formal writing. |
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Frequently asked questions: Could vs Might
What's the difference between Could and Might?
Could: used to express possibility or ability in the past Might: used to say something is possible or to suggest something
Which is more advanced: Could and Might?
Might is the highest level, at A2, on the CEFR scale.
Are Could and Might the same CEFR level?
Could: A1, Might: A2 on the CEFR scale.
Can you show an example of each?
Could: I could help you with your homework if you want. Might: You might want to bring an umbrella, as it looks like it might rain.
Can I use Could and Might interchangeably?
Not always. Could and Might 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.