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Should and Must

Should and Must

Should and Must are modals of advice and necessity that suggest a mild obligation.


Affirmative Form:

  • should go now.  (mild obligation, offering a suggestion or advice)
  • must go now.  (strong obligation with possible consequences)


Negative Form:

  • shouldn’t go now.  (mild obligation to NOT do something)
  • mustn’t go now. (strong obligation to NOT do something)



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