Can- I can play computer games.I can play football.
could-You could tidy your room.She could buy ice cream.
must-I must wash the dishes.I must do homework.
mustn't-I musn't go shopping.We musn't stay on lesson.
have to-I have to go on training.She have go shopping.
don't have to-I don't have to homework.I don't have to repair my bike.
shall-She shall drive a car.He shall go on training.
may-I may do homework.She may do make up.
should-You should tidy your room.You should go shopping.