Can, Could and Might modal Verbs

MODAL VERBS CAN,  COULD AND MIGHT

MIGHT.- Modal verb might is commonly







Modal verb can, could and be able to:
be able to is a synonim of can.

differences between can and be able to :
Can is less polite but is fusefull more than be able to and be able to es very polite and less use we use in present, past and future..

what is the difference between can and can't.
there are formal and informal form.

Examples:
I can teach you. I will be able to teach you.
I can rent a car. I am able to rent a car.
I can live in africa. I am able to live in africa.
I can play soccer. I am able to play soccer.
I can sleep 20 hours. I am able to sleep 20 hours.
I can give you a kiss. I am able to kiss you.