С! fill in the blanks using must, mustn’t, don’t have to, should, shouldn’t, might, can, can’t ! 1. rose and ted be good players. they have won hundreds of cups ! 2. you pay to use the library. it’s free. 3. i’m not sure where my wife is at the moment. she be at her dance class. 4. jerry be working today. he never works on sundays. 5. you be 18 to see that film. 6. you hear this story. it’s very funny. 7. dad go and see a doctor. his cough is getting worse all the time. 8. you don’t have to shout. i hear you very well. 9. it be him. i saw him a week ago, and he didn’t look like that. 10. you look pretty tired. i think you go to bed early tonight. 11. let me look. i be able to help you. 12. “children, you cross the street if the lights are red ! ” 13. you sit so near the tv. it’s bad for your eyes. 14. i’m sorry but i give you a lift because my car is broken. 15. i stop and talk to you now. i have to get to the library. 16. you really go to the louvre if you’re in paris. it’s wonderful. 17. you come to the party if you don’t feel well. 18. i don’t know where kelly is. she be at her sister’s . 19. you have passed all your tests. you be very pleased with yourself. 20. you smoke in your car, especially if there are children sitting in the back. 21. you work this evening. i can do the tasks for you. 22. john doesn’t need a calculator. he do sums in his head. 23. passengers open the door when the train is moving. 24. it rain today. it’s getting cloudy already. 25. i pay for the tickets because i got them from sam for free. english-grammar.at key fill in the blanks using must, mustn’t, don’t have to, should, shouldn’t, might, can, can’t ! 1. rose and ted must be good players. they have won hundreds of cups ! 2. you don’t have to pay to use the library. it’s free. 3. i’m not sure where my wife is at the moment. she might be at her dance class. 4. jerry can’t be working today. he never works on sundays. 5. you must be 18 to see that film. 6. you must hear this story. it’s very funny. 7. dad should go and see a doctor. his cough is getting worse all the time. 8. you don’t have to shout. i can hear you very well. 9. it can’t be him. i saw him a week ago, and he didn’t look like that. 10. you look pretty tired. i think you should go to bed early tonight. 11. let me look. i might be able to help you. 12. “children, you mustn’t cross the street if the lights are red ! ” 13. you shouldn’t sit so near the tv. it’s bad for your eyes. 14. i’m sorry but i can’t give you a lift because my car is broken. 15. i can’t stop and talk to you now. i have to get to the library. 16. you really must/should go to the louvre if you’re in paris. it’s wonderful. 17. you don’t have to come to the party if you don’t feel well. 18. i don’t know where kelly is. she might be at her sister’s . 19. you have passed all your tests. you should be very pleased with yourself. 20. you shouldn’t/mustn’t smoke in your car, especially if there are children sitting in the back. 21. you don’t have to work this evening. i can do the tasks for you. 22. john doesn’t need a calculator. he can do sums in his head. 23. passengers mustn’t open the door when the train is moving. 24. it might rain today. it’s getting cloudy already. 25. i don’t have to pay for the tickets because i got them from sam for free.