Cool MateI will not vs I won't do that
When to use each in English, with meaning, register, and examples.
I will not
Common idiom
I won't do that
Common idiom
| I will not | I won't do that | |
|---|---|---|
| Pronunciation | 🇬🇧 //aɪ wɪl nɒt//🇺🇸 //aɪ wɪl nɑt// | 🇬🇧 //aɪ wəʊnt duː ðæt//🇺🇸 //aɪ woʊnt du ˈðæt// |
| Meaning | I am not going to do something. | I will not do that. |
| Example | I will not attend the meeting tomorrow. | When he suggested going skydiving, I said, 'I won't do that.' |
| Register | Neutral | Neutral |
| How common | Common idiom | Common idiom |
| Collocations | I will not tolerate, I will not change, I will not comply | I won't do that again, I won't do that for you, I won't do that under pressure |
| Common mistakes | Using 'I won't' interchangeably with 'I will not' in all contexts., Incorrectly placing 'not' after 'will'., Confusing with 'I don't' for present refusal. | Confusing with 'I will not do this' when referring to something immediate., Using it in overly casual contexts where a polite refusal is needed. |
| Usage notes | Used to express refusal or disagreement. It is appropriate in both casual and formal contexts to indicate inaction. | Use this phrase to indicate refusal or disagreement. It's common in both spoken and written English but can seem firm; consider a softer phrase for polite refusals. |
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Frequently asked questions: I will not vs I won't do that
What's the difference between I will not and I won't do that?
I will not: I am not going to do something. I won't do that: I will not do that.
Can you show an example of each?
I will not: I will not attend the meeting tomorrow. I won't do that: When he suggested going skydiving, I said, 'I won't do that.'
Can I use I will not and I won't do that interchangeably?
Not always. I will not and I won't do that 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.