Present Continuous.
1. I am going to school.
2. She is reading a book.
3. They are writing a letter.
4. They are running fast.
5. We are singing a song.
6. She is drinking lemonade.
7. The cat is eating fish.
8. Kate is doing her homework.
9. Dave is driving a car.
10. The baby is sleeping.
11. They are playing chess.
12. Mike is sitting.
13. I am swimming.
14. She is watching TV.
15. She is feeding birds.
16. She is talking on the phone.
17. They are dancing.
18. Sue is flying.
19. The child is crying.
20. The boy is building a snowman.
21. He is making a cake.