Suggestions and Obligations Quiz
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Questions and Answers

Which modal verb is used to make positive suggestions?

  • could (correct)
  • should
  • must
  • need to

    • What is the most formal way to ask for permission?

  • shouldn't
  • could
  • can
  • may (correct)

    • Which modal verb is used for obligations of the past?

  • should
  • must
  • had to (correct)
  • could

    • Which modal verb is more formal and polite than 'can' when asking for permission?

    <p>could</p> Signup and view all the answers

    What is the difference between 'can't' and 'must not/mustn't' when expressing prohibition?

    <p>'Can't' shows external prohibition, while 'must not/mustn't' shows internal prohibition.</p> Signup and view all the answers

    When do we use 'must' to express obligation?

    <p>To indicate a strong obligation that comes from the authority that wrote the sentence.</p> Signup and view all the answers

    What does 'don't have to' indicate?

    <p>No obligation, it's optional to do something.</p> Signup and view all the answers

    In what context do we use 'mustn't'?

    <p>When the prohibition comes from the speaker.</p> Signup and view all the answers

    Which phrase is used for obligations coming from an external source?

    <p>'Have to'</p> Signup and view all the answers

    Why don't we use 'must' to express obligation in the past?

    <p>'Must' cannot be used for past obligations.</p> Signup and view all the answers

    You ______ stop at a red light.

    <p>must</p> Signup and view all the answers

    You ______ make any noise in the library.

    <p>mustn't</p> Signup and view all the answers

    Can I sit here? You ______ use my car if you like.

    <p>can</p> Signup and view all the answers

    Could I borrow your pen for a moment, please? ______ I interrupt?

    <p>may</p> Signup and view all the answers

    We use can't and mustn't to show that something is ______ – it is not allowed.

    <p>prohibited</p> Signup and view all the answers

    Visitors ______ park in the staff car park.

    <p>must not</p> Signup and view all the answers

    We sometimes call this 'external ______'.

    <p>obligation</p> Signup and view all the answers

    You ______ wear a uniform when we're working in reception.

    <p>have to</p> Signup and view all the answers

    You ______ wear a tie in our office but some people like to dress more formally.

    <p>don't have to</p> Signup and view all the answers

    You ______ do something if you want to but it's not compulsory.

    <p>don't have to</p> Signup and view all the answers

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