Superdug / run fast ?
Can Superdug run fast? Yes, he can.
Superdug / swim ?
Can Superdug swim? No, he can't.
What / Kit and Dug / do ?
What can Kit and Dug do? They can help.
Dug/ see the children
Can Dug see the children? Yes, he can.
Tom and Susan / swim ?
Can Tom and Susan swim? No, they can't.