Can a cow fly?
No, it can't.
Can you swim?
Yes I can. // No, I can't.
Can he run very fast?
Yes, he can.
Can she ride a bike?
No, she can't.
Can frogs jump high?
Yes, they can.
Can a dog read?
No, it can't.
Can you ride a bike?
Yes, I can. // No, I can't.
Can she ride a horse?
Yes, she can.
Can a fish swim?
Yes, it can.
Can he sing?
Yes, he can.