This document provides examples of questions using the past tense forms of "to be" - was/were and examples of short positive and negative answers to those questions. It asks about someone's emotional state in the past ("Was she sad?"), someone's activity or situation in the past ("Were you busy?"), and the reason for someone's emotional state in the past ("Why were they scared?"). It pairs each question with a potential short one-word yes or no answer.

14. WAS COMP. ?
(WH) WERE

15. • Was she sad ? Yes, she was / No, she wasn´t
• Were you busy ? Yes, I was / No, I wasn´t
• Why were they scared ? Yes, they were / No, they weren´t