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Modals: Have To - Must - Must not

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  • It is against the rules to smoke in here. You ...... do it! 喫煙は規則違反です
    don't have to
    must not
    must / have to
  • You ...... feed the animals in the Zoo. It's forbiden! feed=動物に餌
    must / have to
    must not
    don't have to
  • They ...... study harder if they want to pass their exam. (試験に合格する)
    must / have to
    must not
    don't have to
  • You ...... help me now. Mum helped me this morning. (母はすでに私を助けてくれた)
    don't have to
    must
    mustn't
  • Children ...... go to school.
    must / have to
    must not
    don't have to
  • You ...... carry your umbrella - it's a sunny day!
    must / have to
    must not
    don't have to
  • I ...... make my bed every morning. I know my parents need help at home.
    must / have to
    don't have to
    must not
  • You ...... use your phone in a plane.
    must not
    don't have to
    have to / must
  • I ...... study this weekend. I have a test on Monday!
    mustn't
    must / have to
    don't have to
  • The team ...... score 5 more points if they want to win!
    must / has to
    must not
    doesn't have to
  • You ...... start a fire in this forest. It is prohibited. (禁止)
    don't have to
    have to
    must not
  • She ...... wake up early today - it's Sunday. (日曜日=休み)
    doesn't have to
    mustn't
    must / have to
  • If Tom wants to be a doctor, he ...... finish university. トムは医者になりたいです...
    doesn't have to
    must / has to
    must not
  • My husband is cooking tonight so I ...... do it!
    must
    have to
    don't have to
  • She ...... finish her homework if she wants to go out. 彼女は外出したいなら宿題を終わらせなければならない
    must / has to
    doesn't have to
    mustn't
  • She ...... wear a uniform at school. She can wear jeans. (制服のない学校)
    must / have to
    must not
    doesn't have to