sum
I am
es
You are (s)
est
He, she, it is
sumus
We are
estis
You are (pl)
sunt
They are
esse
to be
es
be! (to one)
este
be! (to more than one)
eram
I was
eras
You (s) were
erat
He, she, it was
eramus
We were
eratis
You (pl) were
erant
They were
fui
I have been, had been
fuisti
You (s) have been, had been
fuit
He, she, it has been
fuimus
We have been
fuistis
You (pl) have been
fuerunt
They have been
fuisse
to have been