be в ед числе(Is,Am)
(I,She,He,It)
be во мн числе(are)
(We,You,They)полная форма ед числа-I am
You are
He is
She is
It is
краткая форма ед числа-I'm
You're
He's
She's
It's
полная форма мн числа-We are
You are
They are
краткая форма мн числа-We're
You're
They're
