Study

Modals: advice, obligation and prohibition

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  • We’ve got plenty of time, so you ___ hurry.
    needn’t – lack of necessity
  • You ___ use your phone in the cinema.
    mustn’t – prohibition
  • You ___ to apologise to your friend. It’s the right thing to do.
    ought to – moral advice
  • You ___ always wear a helmet when you ride a bike.
    (must – strong advice/obligation
  • You look really tired. You ___ go to bed earlier.
    should – advice
  • It’s Sunday, so you ___ go to school.
    don’t have to – no obligation
  • You ___ speak during the exam.
    mustn’t – prohibition
  • She’s really late. She ___ be stuck in traffic.
    must – deduction
  • We ___ bring our books tomorrow – the teacher said so
    have to – obligation
  • We ___ speak politely to our parents.
    should – moral obligation
  • People ___ eat more vegetables to stay healthy.
    should – general advice
  • I can lend you my notes, so you ___ buy the book.
    don’t have to – not necessary