English Grammar - Verb

English Grammar
English Grammar - Verb

Fill in the blank with appropriate modal auxiliary : He ……….. be tired after working all day.


Options:

  1. can
  2. must
  3. should
  4. need

Right Answer: must

The sentence expresses a confident deduction. Since the person has been working all day, the speaker is almost certain that he is tired, and English marks such a logical conclusion about the present with ‘must’. ‘Can’ would express ability or theoretical possibility rather than certainty, and in this sense it normally appears only in questions or negatives. ‘Should’ would express obligation or mild expectation, which is not intended here. ‘Need’ is a semi-modal used for necessity, chiefly in negatives and questions, and it does not fit an affirmative deduction of this kind.

This question is part of English Grammar - Verb, which has 7 practice questions with answers.

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