Easy Word | Luyện ngữ pháp


Luyện ngữ pháp - Destination B2 (Unit 13: Grammar - Modals:ability, permission,advice,criticism,obligation and necessity, degrees of certainty))


Modals: criticism

Form

  • All modals (will, would,shall, should, can, could, may, might, must) and the semi-modal ought to have only one form.
  • Modals are followed by the bare infinitive (simple or continuous) or the bare perfect infinitive
    eg To by should be very fit by now.
    To by should have recovered by now.
  • The semi-modals have to and need to change their form depending on person and tense
    eg The doctor said I had/needed to give up red meat.

Use Modal Example
Criticising past behaviour should
ought to
( + perfect infinitive)		 He ought to /should have made more of an effort with his diet.

Form - Modals: advice Form - Modals: obligation and necessity


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