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Persian Learner Posted 9 years ago
Grammar

Must have vs Should have

Hi.
He should have failed.
He must have failed.

What's the difference between the above two sentences?
  

Top answer

Persian Learner He should have failed. 1. , in this exam or course) — considering how unable he was to handle the material.

  • Persian Learner He should have failed.
  • 1.
  • , in this exam or course) — considering how unable he was to handle the material.
  • 2.
  • , the exam, the course) — considering his limited ability and the difficulty (of the exam or course).
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1 Answers
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Persian LearnerHe should have failed.
1. It would have been wise (for the teacher) to fail him (e.g., in this exam or course) — considering how unable he was to handle the material.
2. I expected him to fail (e.g., the exam, the course) — considering his limited ability and the difficulty (of the exam or course).
Persian LearnerHe m

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