Rewrite the sentences using the modal in brackets. 6 Sean really needs to get some exercise. (must) 7 My mother is obliged to wear safety glasses at work. (have to) 8. You need to come running if you are not tired. (have to) 9 Cyclists are not allowed to ride on the path. (mustn't) 10 It isn't possible that you will enjoy this fish. (might not)