She can sing very well
Ability
It could be dangerous to walk alone at night
Possibility
He can speak English
Ability
Can I open the window?
Permission
My brother can play the guitar
Ability
Dad, can we have ice-cream after dinner?
Permission
You can borrow my pencil
Permission
Mom, can we watch a movie tonight?
Permission
You can't use your phone in class!
Permission
We could visit the zoo this weekend
Possibility
Frogs can jump
Ability
We can finish this project together!
Possibility
She can ride a bike
Ability
We could be late if we don’t hurry
Possibility