GRAMMAR MODAL VERBS: MUST, SHOULD, Complete the sentences with MUST, MUSTN'T, SHOULD, SHOULDN'T, HAVETO or DON'THAVETO/DOESN'THAVETO.1.study this weekend. It's my obligation as a student.2. Youfeed the animals in the zoo. It's forbidden!3.make my bed every morning. Ihelp my parents at home.4. Youdo exercise every day. It's good for you.5. Youlisten to loud music. It's bad for your ears!6. Youhelp me now. Dad helped me this morning.7. Theystudy harder if they want to pass their exams.8. Youuse your mobile phone in class.9. Shewear a uniform at school. She can wear jeans.10. Youeat fast food. It's bad for you!meritFinish!!​