Fill in the gaps with verbs in the proper progressive form . i. Listen! The birds (sing) 2. We (drive) to the mountains this time next Saturday. 3. They (have) ... a picnic, when the rain started 4, I (read) a book last evening when I heard the fireworks. 5. Shhhh! Be quiet! My little sister (sleep) 6. They (not / do) ... their homework this afternoon: tomorrows the weekend. 7. By this time tomorrow l (swim) ..in the central pool. 8. Mark and I (play) a computer game now. 9. I saw them. They (wait) ... in front of the shop.

1. Are singing
2. Will be driving
3. Were having
4. Was reading
5. Is sleeping
6. Wont be doing
7. will be swimming
8. Are playing
9. Were waiting