1. were working
2. was sitting
3. were singing
4. was Marat stugiying
5. was not staying
6. were they making
7. was raining
8. was playing
Объяснение:
Past Continuous Tense это продолжительное время:
I/he/she/it WAS+VERB+ING
you/we/they WERE+VERB+ING
VERB это любой глагол