Indicative Paradigm of εἰμί:
| Person | Number | Present | Imperfect | Future | Perfect | Pluperfect |
|---|---|---|---|---|---|---|
| 1st | Singular | εἰμί | ἦ / ἦν / ἤμην | ἔσομαι | ἔσμαι | ἐσμήμην |
| 2nd | Singular | εἶ | ἦσθα | ἔσῃ / ἔσει | ἔσῃ / ἔσει | ἔσο / ἔσω |
| 3rd | Singular | ἐστί(ν) | ἦν | ἔσται | ἔσται | ἔστο |
| 1st | Plural | ἐσμέν | ἦμεν | ἐσόμεθα | ἐσόμεθα | ἐσμεθα |
| 2nd | Plural | ἐστέ | ἦτε / ἦστε | ἔσεσθε | ἔσεσθε | ἔσεσθε |
| 3rd | Plural | εἰσί(ν) | ἦσαν | ἔσονται | ἔσονται | ἔσνται |
Subjunctive Paradigm of εἰμί:
| Person | Number | Present Subjunctive |
|---|---|---|
| 1st | Singular | ὦ |
| 2nd | Singular | ᾖς |
| 3rd | Singular | ᾖ |
| 1st | Plural | ῶμεν |
| 2nd | Plural | ἦτε |
| 3rd | Plural | ῶσι(ν) |
Imperative Paradigm of εἰμί:
| Person | Number | Present Imperative |
|---|---|---|
| 2nd | Singular | ἴσθι |
| 3rd | Singular | ἔστω |
| 2nd | Plural | ἔστε |
| 3rd | Plural | ἔστων / ἔστωσαν |