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Obligation/necessity/prohibition

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  • John's a millionaire. He _____ go to work.
    doesn't have to (circumstance)
  • He _____ be late for the exam.
    mustn't     (rule by person with authority)
  • You ______ wear a tie if you want to go to that restaurant. It's one of their rules !
    have to   (requirement for a place)
  • The doctor says "you _______ lose some weight".
    must (major health consequence)
  • I have a terrible headache, so I ____ leave early.
    have to (personal choice)
  • The museum is free. You ______ pay to get in.
    don't have to  (circumstance)
  • Chris ______ learn a lot of new words in order to change his job.
    has to   (personal goal/ circumstance)
  • You ______ return them. They are too small for you.
    have to (circumstance)
  • I _________ lose weight, my pants are getting too tight.
    have to (personal goal/circumstance)
  • You _______ watch "American Fiction". It is an important movie
    must (recommendation)
  • Snow has blocked the roads. We ______ stay here until it's cleared.
    have to (circumstance)
  • They ______  hurry.  They have got more than enough time.
    don't have to (circumstance)
  • You _____ invite Chad to your party. He is so much fun to be around.
    must (recommendation)
  • During an exam, you _____ copy from the other students.
    mustn't (major consequence)
  • John won the lottery last year so he _______ work.
    doesn't have to (circumstance)
  • Joe _____ cook tonight because he is going to a restaurant.
    doesn't have to (circumstance)
  • People ______ lay in the sun to often, because it can lead to skin cancer.
    mustn't (major consequence)
  • You ______ stop smoking. It is very harmful.
    must (major consequence)
  • Tomorrow is Sunday. You _______ get up very early.
    don't have to. (circumstance)
  • Mrs. Parks can't see very well. She _______ wear glasses.
    must (major consequence)
  • You _______ come with me to lunch, it's my treat.
    must (offer)
  • People ______ work hard because life is expensive.
    have to  (circumstance)
  • Do you _____ work next weekend?
    have to (circumstance)
  • It's raining outside. Tim _______ take his umbrella.
    has to (circumstances)
  • Here we ________ talk loudly, it is a court room.
    mustn't. (rules person of authority )
  • Mr. Dickson is travelling abroad this summer, so he _____ get his passport soon.
    must (law)
  • According to the law, drivers _______ stop at stop signs.
    must (law)
  • It's freezing outside, so we ______ take a cab and not walk.
    have to (circumstance)
  • You _______ text and drive. You will get a ticket.
    must not (law)
  • You ______ put salt in her food; the doctor said she can't eat salt.
    mustn't (major consequence)
  • I can give you my car, so you ________ buy a new one.
    don't have to (circumstances)