Modals of OBLIGATION, Definition and Example Sentences

Modals of OBLIGATION, Definition and Example Sentences





The main verbs of obligation are; MUST, HAVE TO, SHOULD. The past of have to / has to is had. Must is for personal obligations. Have to is for general obligations.

Example Sentences;

  • You must stop here.
  • You have to wear a seatbelt when you drive.
  • You must answer at least one question.
  • You should call Mary. I know she misses you a lot.
  • She looks sick. She should go home.



  • I must do some work.
  • You shouldn’t have smoked.
  • I have to return the book now.
  • I had to wear a school uniform when I was a child.