3. Write. is am 1. I reading a book. 2. My brother swimming fast. 3. Polly hiding. 4. The dog playing with a ball. 5. Sam sleeping. 6. His grandma writing a card. 7. I cleaning my room.

3. Write.

1. I am reading a book.

2. My brother is swimming fast.

3. Polly is hiding.

4. The dog is playing with a ball.

5. Sam is sleeping.

6. His grandma is writing a card.

7. I am cleaning my room.

Ответ: am, is, is, is, is, is, am