Is Mark tired?
Yes, he is.
Can the girl ride a bike?
No, she can`t.
Does General Green drive a car?
No, he doesn`t.
Are they in the gym?
Yes, they are.
Does the dog eat apples?
Yes, it does.
Are the children sick?
No, they are not. They are happy.
Can the children dance?
Yes, they can.
Can he skate?
Yes, he can.
Is the boy hungry?
Yes, he is.
Does the boy have a bird?
No, he doesn`t.