Question

verbo there to be no presente, passado e futuro.

Answer 1

Olha o Verbo to be é muito simples
Passado (Past) : Was(am) Were(Are)
Presente (Present) : Am e Are
Futuro: Ainda não aprendi me desculpe

Answer 2

Presente:
I am
You are
He is
She is
It is
We are
They are

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


Futuro: 
I will be
You will be
He will be
She will be
It will be
We will be
They will be

espero ter ajudado! :)