Froggy Jumps Modal verbs prohibition-obligation-adviceVersion en ligne Read the sentences and complete it with the correct modal verb. par Paula Andrea Medina 1 We have to rush. We __________ miss the last bus home. a needn't b couldn't c mustn't 2 You _________ have bothered coming. I've done it already. a needn't b can't c had better 3 You _________ have worked so hard last week. You look so tired now. a must not b ought not to c can't 4 Lindsay watched the movie in French and ________ understand very much of it. a didn't have to b can't c couldn't 5 Drivers _______ stop when the traffic lights are red a should b could c must 6 People______ walk on the grass. a couldn’t b mustn’t c needn’t 7 Jessica______ work hard to crack her CA Exam. a has to b had to c can't 8 You can come to the meeting if you want but you _____ a have to b don't have to c mustn't 9 I didn't feel very well yesterday. I _______eat anything. a cannot b couldn't c mustn't 10 It is very late. You __________ both really go now. a should b could c can't 11 Children __________ sit in the sun all day. It is not good for their health. a don't have to b must c shouldn't