εἰμί
√ ἐσ
I am
εἶ
√ ἐσ
You are (sing.)
ἐστί(ν)
√ ἐσ
He is
ἐσμέν
√ ἐσ
We are
ἐστέ
√ ἐσ
You are (pl.)
ἐίσι(ν)
√ ἐσ
They are
ἤμην
I was
ἦς
You were (sing.)
ἦν
He was
ἦμεν
We were
ἦτε
You were (pl.)
ἦσαν
They were
ἔσομαι
I will be
ἔσῃ
You will be (sing.)
ἔσται
He will be
ἐσόμεθα
We will be
ἔσεσθε
You will be
ἔσονται
They will be
ἴσθι
be (second, singular, present, imperative)
ἔστε
be (second, plural, present, imperative)
ἔστω
let him be (third, singular, present, imperative)
ἔστωσαν
let them be (third, plural, present, imperative)