Can she sing?
Yes, she can. She can sing very well.
Can you swim?
Yes, I can swim. / No, I can't swim.
Can she draw?
No, she can't. She can't draw.
Can your mother cook?
Yes, she can. She can cook.
Can she dance?
Yes, she can. She can dance.
What can they do?
They can play football.
Can he run?
Yes, he can. He can run.
Can your father cook?
No, he can't. My father can't cook.