The police think that one of the criminals ___ the other two.
could murder
could have murdered
The weather was so fine that you ___ the French coast nearly 30 miles away.
could have seen
could see
I ___ go to the party, but I'm not feeling great. (less certain)
could
may
might
The car ___ break down at any moment. (general possibility)
could
might
may
I haven't seen them, but for what I know, they ___ already.
might have arrived
might arrive
We're not sure what we'll do this weekend. We ___ go to the beach or we ___ stay home and watch some movies. (less certain)
may
could
might
The company ___ announce its new product next month, but it's not confirmed yet. (more certain)
might
could
may
The symptom ___ a minor infection but we'll need to do a test to confirm that.
may indicate
may have indicated
*hears a strange noise* "It ___ the wind."
could be
could have been
If you had called, I ___.
would answer
would have answered
The restaurant ___ close down soon, I haven't seen many customers here lately. (general possibility)
could
may
might
He ___ to work tomorrow. He's not very sick at all.
could go
could have gone
She ___ have checked her inbox since she never replied. (more certain)
couldn't
might not
may not
Your phone keeps freezing. You ___ need to update it. (less certain)
might
may
could
It's a good thing she raised so much money. Otherwise, she ___ the election.
could lose
could have lost
They ___ time to finish it yesterday.
may not have had
may not have
