the tiger / run ?
Is the tiger running?
the giraffe / eat ?
Is the giraffe eating?
the zebra / dance ?
Is the zebra dancing?
the elephant / drink ?
Is the elephant drinking?
the lion / walk ?
Is the lion walking?
the crocodile / sleep ?
Is the crocodile sleeping?
Is the tiger running?
No, it isn't.
Is the elephant drinking?
Yes. it is.
Is the zebra dancing?
Yes, it is.
the snakes / swim ?
Are the snakes swimming?
the monkeys / walk ?
Are the monkeys walking?
the zebras / drink ?
Are the zebras drinking?
the giraffes / jump ?
Are the giraffes jumping?
the crocodiles / sleep ?
Are the crocodiles sleeping?
Are the monkeys walking?
Yes, they are.
Are the crocodiles swimming?
No, they aren't.
