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.