Modals: Ability / Possibility

can
have the opportunity or possibility to
can
That's certainly one way you can cool off!
can
be able to
can
An impala can leap 12 feet high in the air and cover 30 feet in distance!
could
used to talk about past ability
could
When my sister was younger, she could ride a horse.
could
expressing future possibility
could
Things could go poorly if you stick your arm in the mouth of a crocodile.
could not
used to suggest something is impossible
couldn't
John couldn't answer his cellphone. He left it somewhere at home.
may
expressing possibility
may
If you go walking in the woods, you may see some wildlife!
might
Verb expressing present possibility
might
I haven't seen Josie, she might be at the library.
might not
used to suggest that you don't know if something happens
might not
John might not answer his cellphone. He misplaces it often.
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