2.Are they play tennis? Yes, they are playing tennis. No, they aren't playing tennis.
Are they play football? Yes, they are playing football. No, they aren't playing football.
3.Is he eat apple? Yes, he is eating apple. No he isn't eating apple.
Is he eat a banana? Yes, he is eating a banana. No, he isn't eating a banana.
4.Is he ride a horse? Yes, he is riding a horse. No, he isn't riding a horse.
Is he ride a bike? Yes, he is riding a bike. No, he isn't riding a bike.