Froggy Jumps Modal Verbs and froggyOnline version Modal verbs are special helping verbs used to express ability, possibility, permission, and obligation. by Liz Nuñez 1 She ___ play the piano when she was five. a could b can c must 2 You ___ wear a helmet when riding a motorcycle. It’s the law. a must b can c might 3 I’m not sure, but the meeting ___ start at 3 p.m. a should b must c might 4 Students ___ submit the assignment before Friday. a could b must c can 5 When I was younger, I ___ run very fast. a should b could c must 6 You ___ touch that! It’s dangerous. a might not b mustn’t c should 7 If you want to improve your English, you ___ practice every day. a should b can’t c mustn’t 8 She is not here today; she ___ be sick. a must b should c can 9 You ___ bring food into the classroom. It’s prohibited. a can’t b don’t have to c can