“Must” vs. “Have To”: What’s the Difference?

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The difference between “must” and “have to”

  • "Must" is generally stronger and more formal than "have to".
  • "Have to" may suggest more flexibility or room for negotiation, while "must" implies a non-negotiable requirement.
  • In some situations, the use of "must" may be more appropriate for emphasizing the seriousness or urgency of a situation.
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What is the definition of “must” and “have to”?

Must
  • "Must" is a modal verb that expresses a strong obligation or necessity to do something.
  • It is often used to indicate that something is required or necessary to do in order to achieve a specific outcome.
  • It is also used to indicate a personal feeling of importance or urgency towards something.
Have to
  • "Have to" is a verb phrase that also expresses obligation or necessity, but may not be as strong as "must".
  • It can be used to refer to both external requirements or internal preferences/needs.
  • "Have to" can also be used to refer to situations where there is no choice or alternative available.

Which is the more popular variant on the Internet?

“Must” is the more popular variant on the web.
More popular
Must
5,620,000,000 results on the web
Examples
  1. I must finish my homework before I can watch TV.
  2. She must study hard if she wants to pass the exam.
  3. He must be tired after running a marathon.
Have to
3,540,000,000 results on the web
Examples
  1. I have to go to work every day from 9 to 5.
  2. She has to wear a uniform to school every day.
  3. We have to buy groceries before we can cook dinner.
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