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ONLINE ENGLISH GRAMMAR QUIZ
topic: MODALS (Couldn't/Might Not) | level: Intermediate




Click on Answer to see the correct response.
  1. I'm sorry I _____ come yesterday.
    a. could not
    b. might not


  2. I'm sorry, but I _____ be able to come today.
    a. could not
    b. might not


  3. I'm sure that _____ have been him.
    a. could not
    b. might not


  4. I'm not sure, but that _____ have been him.
    a. could not
    b. might not


  5. Let's check the news. The airport _____ be open.
    a. could not
    b. might not


  6. I _____ tell him the truth about Holly, but I should have.
    a. could not
    b. might not


  7. Jeanette had made other plans, so she _____ come with us to the museum yesterday.
    a. could not
    b. might not


  8. Jeanette has made other plans, so she _____ come with us to the museum today.
    a. could not
    b. might not


  9. He _____ have possibly won that contest! He was so stupid!
    a. could not
    b. might not


  10. She _____ have told him. That's why he didn't mention anything to me.
    a. could not
    b. might not
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