Must, have to.

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Must, have to.

  1. 1. We use must:-In the affirmative and interrogative form toexpress obligation in the present or future.-In the negative form to express prohibitionNOTE : Must express an obligation whichthe speaker imposes on himself or others.
  2. 2. (Affirmative) I must go to bed early tonight. Must VSF ComplementSubject
  3. 3. You must fill out the form to work Must VSF ComplementSubject
  4. 4. (Negattive)You mustn’t cross the street when the light is red. mustn’t VSF ComplementSubject
  5. 5. You mustn’t touch that, is very hot! mustn’t VSF ComplementSubject
  6. 6. (Interrogative)Must she take this medicine ? Must VSF complement ? Subject
  7. 7. Must we leave now ?Must VSF complement ? Subject
  8. 8. We use have to:-In the affirmative and interrogative form to express obligation in the present or future .-In the negative form to express absence of obligation .NOTE: Have to express an obligation that is imposed by someone or something else.
  9. 9. (Affirmative)Clara has to work on saturdays. Have/Has to VBF Complementsubject
  10. 10. You have to drive on the right have/has to VBF complementSubject
  11. 11. (Negative)You don’t have to read this book Do/Does+Not= Don’t / Doesn’t Have to VBF ComplementSubject
  12. 12. We don’t have to come after 12 Do/ Does+not= Have to VBF COMPLEMENT Don’t Doesn’tSubject
  13. 13. (Interrogative)Does Ben have to finish the proyect tomorrow ?Do/ Does Subject Have to VBF Complement ?
  14. 14. Do we have to be there at 5 ooclockDo/don’t have to VBF Complement Subject

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