Past simple
1.While they had dinner the phone rang.
2.While Mary stayed with her aunt she met Sam
3.John rode his bike when he had an accident.
4.While I held the baby she went to sleep.
5.When we did our homework Maria arrived
Past continuous
1.While they were having dinner the phone rang.
2.While Marry was staying with her aunt she met Sam
3.John was riding his bike when he had an accident.
4.While I was holding the baby she went to sleep
5.When we were doing our homework Maria arrived.
