Question

qndo devo usar was, wasnt , were,e werent, no passado

Answer 1

Was- Na afirmativa para as pessoas: I, he, she and it
*Wasn't - Na negativa para as pessoas: I, he, she and it
*Were - Na afirmativa para as pessoas: You, we and they
*Weren't - Na negativa para as pessoas: You, we and they

Was (Wasn't) e Were (weren't) são o passado do verbo To Be!