Question

É correto afirma que o "was" deve ser usado com os pronomes pessoais no singular e " were" no plural?

Answer 1

Sim, was é usado para singular (I, You, He, She, It) e were para (They, We, You)

Answer 2

estao corretas

I was
You were
He was
She was
It was
We were
You were
They were