1. Подчеркни правильный вариант.

1. I am/is/are dancing.
2. They am/is/are playing football.
3. We am/is/are swimming.
4. He am/is/are doing homework.
5. You am/is/are riding a bicycle.
6. She am/is/are making tea.
7. It am/is/are sleeping.
8. You am/is/are crying.
9. I am/is/are singing.
10. He am/is/are drawling a cat.
11. We am/is/are waiting for a tram.
12. She am/is/are writing a letter.