3) I was studying last night;
My parents were warking last Saturday;
It was raining today;
We were doing an exam at nine o'clock;
I was waiting for you;
we were speaking English!
4) Так же, как 3, только к was или were добавь n't! Типа: weren't; wasn't
5)Was you sleeping at six o'clock this morning?;
Was your mum working yesterday?;
Was you watching TV at nine o'clock last night?;
Did your teacher talk five minutes ago?;
Was you studying English at three o'clock yesterday afternoon?
6) Yes, I did;
Yes, she was;
No, I wasn't;
Yes, He did;
No, I wasn't