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OBLIGATION MODALS

  •  English    28     Public
    Use should / shouldn't, ought to, must /mustn't, have to / don't have to, need to / need -ing to complete the sentences.
  •   Study   Slideshow
  • Students _______________ be at school at 9 o'clock.
    have to
  •  15
  • You __________________ eat in the library.
    musn't
  •  15
  • You ________________go to work at the days off.
    don't have to
  •  15
  • You ____________________ brush your teeth three times a day.
    should / ought to / must
  •  15
  • You _______________ go to sleep too late if you want to feel good next day.
    shouldn't / ought not to / mustn't
  •  15
  • Peter ________________ clean his room every weekend. If not, he can't meet his friends.
    has to
  •  15
  • People _____________________ be nice to each other.
    should / ought to
  •  15
  • You ____________________ tell jokes in a serious situation.
    shoudn't / ought not to / mustn't
  •  15
  • We use "mustn't" to show...
    prohibition
  •  15
  • I _________________ to go out on Friday night, so I sayed home.(prohibition)
    wasn't allowed
  •  20
  • We use "should" or "shouldn't" to give...
    advice
  •  15
  • We use "must" or "have to" to show...
    obligation
  •  15
  • The past of "must" is...
    had to
  •  15
  • We use "don't have to" to show there is...
    no obligation, a choice
  •  15
  • You ______________ steal.
    mustn't
  •  15
  • I__________ go to the bathroom.
    need to / have to
  •  15