1.      I (sing) ___was singing__ all yesterday morning.

2.      _____were___ you (watch) ________watching_______ TV at 7 o’clock last night?

3.      She (run) _____was running__________ in the forest while Tom (make) _______was making________ a snowman.

4.      While we (have) _______were having________ dinner, they (sleep) _______were sleeping________.

5.      They (not ride) _______were not riding________ their bikes at 10 last Sunday.

6.      She (pack) ______was packing_________ the lunch basket.

7.      I (not swim) ____was not swimming___________ at that time.

8.      _________was______ he (try) _______trying________ to help?

9.      ________were_______ those women (buy) _____buying__________ at this shop?

10.  Mark and Tom (cook) ______were cooking_________ while Ann (do) ______was doing_________ the dishes.