Study

Obligation, prohibition and necessity

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  • We ___________ have a visa, do we?
    don't have to
  • You __________________ Becky, but I'm glad you did!
    needn't have invited
  • We _________ stay in our prison cells for up to twenty-three hours per day It was awful.
    had to
  • Witnesses _____________ tell lies in court.
    mustn't
  • You ____________ go to the museum tomorrow – it's fascinating.
    must
  • Shoes ____________ be worn in the temple.
    must not
  • He _______________ a jacket as he already knew it was going to be hot.
    didn't need to take
  • Don't forget. You _________ remember to carry your identity cards with you at all times.
    must
  • I ____________ to wait so long this time to go into the visitors' room.
    didn't need
  • Do the children _________ to pay too?
    have
  • I wasn't sure if I would _________________ give him the present I'd brought with me.
    be allowed to
  • Visitors _____________ feed the animals – it's forbidden.
    are not allowed to
  • I ____________ leave early because the traffic was very heavy.
    had to
  • When you are arrested you _____________ answer all the police's questions.
    don't have to