Could vs It might
When to use each in English, with meaning, register, and examples.
Could
Top 1,000 (very common)A1
It might
Top 1,000 (very common)
| Could | It might | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/kəd//kʊd/","/ˈkʊdnt/"]/🇺🇸 /["/kəd//kʊd/","/ˈkʊdnt/"]/ | 🇬🇧 //ɪt maɪt//🇺🇸 //ɪt maɪt// |
| Meaning | used to express possibility or ability in the past | It could possibly be true or happen. |
| Example | I could help you with your homework if you want. | It might rain later, so take an umbrella. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | A1 | - |
| Collocations | could have, could you, could not, could be | It might rain, It might happen, It might be true, It might work, It might be better |
| Antonyms | couldn't, can't | - |
| 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'. | Confusing with 'it may' which is more formal, Using 'might' in certain future contexts instead of 'may', Not using 'it might' with a verb, e.g. 'It might a storm' instead of 'It might rain'. |
| Usage notes | Used to talk about ability, requests, and possibilities. Considered neutral; avoid in very formal writing. | Used to express possibility. Common in spoken and written contexts but less formal than alternatives like 'it may'. |
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Frequently asked questions: Could vs It might
What's the difference between Could and It might?
Could: used to express possibility or ability in the past It might: It could possibly be true or happen.
Can you show an example of each?
Could: I could help you with your homework if you want. It might: It might rain later, so take an umbrella.
Can I use Could and It might interchangeably?
Not always. Could and It 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.