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