Can grandpa climb a tree? - No, he's not able to climb a tree.Can your daddy dance? - Yes, he can dance very well.Can you sing? - Yes, I can sing.Can your friends jump? - Yes, they can jump.Can your mummy read English books? - Yes, she can read English books.Can a bird fly? - Yes, a bird can fly.Can a horse climb? - No, a horse cannot climb.Can chimps climb? - Yes, chimps can climb.