Fill in the blanks using can – can’t - could – couldn’t - didn’t need to - must – mustn’t - needn‘t 1. he owns a very expensive house. he be a rich person. 2. i swim well when i was a child. i even won the school championships. 3. you go to the grocery store. we have some milk in the fridge. 4. i find my keys. i probably left them at my mother’s place. 5. you buy the tickets. i got two for free from dad. 6. she speak so rudely to her parents. 7. the teacher always tells us we cheat during a test. 8. i stop laughing. the joke was so funny. 9. i look at you. you’re so dirty. what were you up to? 10. you turn down the volume? – it’s too loud.

1. he owns a very expensive house. he must be a rich person. 2. i could swim well when i was a child. i even won the school championships. 3. you needn't go to the grocery store. we have some milk in the fridge. 4. i couldn't find my keys. i probably left them at my mother’s place. 5. you mustn't buy the tickets. i got two for free from dad. 6. she didn't need speak so rudely to her parents. 7. the teacher always tells us we mustn't cheat during a test. 8. i couldn't stop laughing. the joke was so funny. 9. i can't look at you. you’re so dirty. what were you up to? 10. can you turn down the volume? – it’s too loud.