Resposta:
a) he is my friend.
he was my friend.
he was not my friend.
b) I am a man.
i was a man.
i was not a man.
c) it is an umbrella.
it was an umbrella.
it was not an umbrella.
d) that is a bird.
that was a bird.
that was not a bird.
e) these are your happy people.
these were your happy people.
there were not your happy people.
f) this is a kitchen.
this was a kitchen.
this was not a kitchen.
Explicação:
was: se usa com I, he, she, it
were: they, you, we
forma abreviada: was not: wasn't
were not: weren't
