Составить два предложения с Past Simple/Past Perfect и два с Past Countinous/Past Simple

Question

Составить два предложения с Past Simple/Past Perfect и два с Past Countinous/Past Simple

Answer 1

Past simple: I was in my room. I bought a car yesterday.
Past Continuous: I was doing my homework when somebody knocked in the door.
I was sleeping, while my mother was washing up.