Question

Me explique a sentença do was e were?

Answer 1

Was e Were é o verbo To Be do Passado , como os novos q são 
I = eu
YOU = você
HE = ele
SHE = ela
WE = nós(animais e objetos)
YOU = vocês
THEY =eles ou elas

Answer 2

Como o comentário disse, WAS e WERE é o verbo To Be do passado.
Você usa esses verbos da seguinte maneira:
I- Was
She/He- Was
They-Were
We-Were
You-Were