Topic:
MODALS (Couldn't/Might Not) | level:
Intermediate
Choose whether each sentence requires could not or might not .Answer to see the correct response.
1. I _____ make my flight to Dallas on time.
a. could not
b. might not
Answer could not 2. I'm sorry, but I _____ be able to come today.
a. could not
b. might not
Answer might not 3. I'm sure that _____ have been him.
a. could not
b. might not
Answer could not 4. I'm not sure, but that _____ have been him.
a. could not
b. might not
Answer might not 5. Let's check the news. The airport _____ be open.
a. could not
b. might not
Answer might not 6. I _____ tell him the truth about Holly, but I should have.
a. could not
b. might not
Answer could not 7. Jeanette had made other plans, so she _____ come with us to the museum yesterday.
a. could not
b. might not
Answer could not 8. Jeanette has made other plans, so she _____ come with us to the museum today.
a. could not
b. might not
Answer might not 9. That incompetent lawyer _____ have possibly won that case!
a. could not
b. might not
Answer could not 10. She _____ have told him. That's why he didn't mention anything to me.
a. could not
b. might not
Answer might not BACK TO LIST OF EXERCISES
