Can and May, are two verbs that have only the past tense and the present tense.
|I can||I may|
|I could||I might|
Verbs may and can express – ability, capability.
I can play football.
She can run a marathon.
Can you bake a cake ?
Verbs may and can express – permission.
May I borrow your pen ?
Yes, you may borrow my pen.
Can I sit here ? – Yes, you can.
Can I have cup of coffee, please ?
Verbs may and can – possibility .
I may be away from work next week.
He may have new job.
She might get late for practice tomorrow.
This could be very important for current project.
Verbs may and can – Impossibility & Improbability.
That story can’t be true.
He might have some money tomorrow.
I may not work tomorrow.
Verbs may and can – Inability.
I can’t play football very well.
He can’t speak English well.
She could not run a marathon.