Ответ:

1)

2.was flying

3. Were waiting

4. Were crossing

5. Was washing

6. Was slicing

2)

2. Was surfing

3. Was taking

4. Called

5. Took

6. Stole

3)

2. Were playing...came

3. Was running...heard

4. Was dreaming... Shouted

5. Broke... Was doing

6. Was waiting... arrived

4)

2. When

3. When

4. When

5. While

6. When

Объяснение: