сделайте упражнения 3,4,5,6

3) I was studying last night
My parents were working last Saturday
It was raining yesterday
We were doing an exam at 9 o'clock
I was waiting for you
We were speaking English
4) I was not studying last night
My parents were not working last Saturday
It was not raining yesterday
We were not speaking English
5) did you slept at 6o'clock this morning?
Did your mum worked yesterday?
Did you was watching tv at 9 o'clock last night?
Did your teacher talked 5 min ago?
Did you was studying English at 3 o'clock yesterday afternoon?
6) no I did not. I was have breakfast
Yes,she was worked
Yes, I did. I was watching tv shows
No, I did not
Yes, I did. I was doing homework