• Usuario de Brainly
¿Pasado progresivo? Me imagino que las oraciones las quieres en →past continuous or past progressive, en inglés ¿no?

* Anne was writing a letter while Steve was reading the New York Times.

* The phone rang while I was having dinner.

* As I was walking down the road I saw Bill.

* I was reading a very interesting short story when he arrived.

* While she was sleeping, he was working.

Espero haber entendido tu pregunta…