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Find the Mistake - Have to / Must / Don't Have to / Mustn't


Each sentence or group of sentences contains one mistake. Find the mistake and correct. Click on the next page to see the correct answers.


Sentence: I mustn't work on Saturdays.
Correction: I don't have to work on Saturdays.

  • Do you must get up early on Saturdays?
  • Children don't have to play with fire.
  • I must go to work every day. It's my job!
  • She doesn't have to go to that meeting. She'll ruin it!
  • Have you to go to classes on Thursday?
  • She hasn't to do homework next week.
  • I'll must hurry up if I don't want to miss the bus.
  • You mustn't come if you don't want to meet him. I just thought it would be a good idea.
  • My daughter isn't having to attend class this afternoon.
  • I has to help him every day at work.

Learn more about modal verbs of obligation 'have to' and 'must' using these links.

Must - Have to Explained
Must - Have to Lesson Plan

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