Was it cold at the playground? - No, it wasn't
Were the girls on the swings? - Yes, they were
Were her books on the desk? - No, they weren't
При построении вопросительных предложений на первое место ставится вс глагол (в данном случае - was/were), на второе - подлежащее (в данном случае - it/the girls/her books), а в конец - обстоятельство.
Was it cold at the playground? - No, it wasn't
Were the girls on the swings? - Yes, they were
Were her books on the desk? - No, they weren't
При построении вопросительных предложений на первое место ставится вс глагол (в данном случае - was/were), на второе - подлежащее (в данном случае - it/the girls/her books), а в конец - обстоятельство.