Сделаться 5 предложений в утвердительной,отрицательной, вопросительной форме в past

Past continuous
Утверждение:
1. We were sitting in the library.
2.He was talking about the weather.
3. She was waiting for a bus.
4.You were standing behind the door.
You were working in the garden.
Отрицание:
1. She was not studying medicine.
2. I wasn't doing anything!
3. I wasn't meeting anyone.
4. He was not saying anything.
5. We were not watching TV.
Вопрос:
1. What were you doing then?
2. What were you doing before?
3. What was he seeking?
4. What were you expecting?
5. What was I doing?