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Grammar: Modal of obligation

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  • You ............ wear a jacket
    must
  • You ................... put your feet on the seats.
    must not / can't
  • Children ............... pay
    don't have to
  • The museum is free. You ............. pay.
    don't have to
  • You .......... turn off your phone
    must
  • Your hours will be 9-5 Monday to Friday only. You .............. work on weekends.
    don't have to
  • It's a very small house! You .............. clean it every day.
    don't have to
  • You .............. drive in one direction.
    must
  • You .................. play basketball here at night.
    must not / can't
  • You have to wear formal clothes. You ............. wear jeans.
    must not
  • You ............. pay anything now
    don't have to
  • You .................... come to class on Friday.
    don't have to
  • You ............. touch the door.
    must not
  • The speed limit is 55 mph. you ............ drive faster.
    must not
  • You ............ be over 18 to see this movie
    have to be
  • That river is dangerous! You .............. swim in it.
    must not
  • You ............ take photos
    must not / can't
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