pls bantu yg bisa bhs inggris,thx

A:what was valerie doing when doorbell?
B:she was talking in phone
A:what were you doing?
B:i was daydreaming

saya jelasin lagi ini termasuk past simple tenses(nominal) jadi rumusnya:
S+WAS/WERE+VERB2+NOUN/ADJ/ADV