| Present | ||
| First singular | ειμι | I am |
| Second singular | ει | you are |
| Third singular | εστιν | he/she/it is |
| Present | ||
| First plural | εσμεν | we are |
| Second plural | εστε | you are |
| Third plural | εισιν | they are |
| Imperfect | ||
| First singular | ημην | I was |
| Second singular | ης | you were |
| Third singular | ην | he/she/it was |
| Imperfect | ||
| First plural | ημεν, ημεθα | we were |
| Second plural | ητε | you were |
| Third plural | ησαν | they were |
| Future | ||
| First singular | εσομαι | I will be |
| Second singular | εση | you will be |
| Third singular | εσται | he/she/it will be |
| Future | ||
| First plural | εσομεθα | we will be |
| Second plural | εσεσθε | you will be |
| Third plural | εσονται | they will be |
| indicative | subjunctive | |
| first singular | εἰμί | ὦ |
| second singular | εἶ | ᾖς |
| third singular | ἐστί(ν) | ᾖ |
| first plural | ἐσμέν | ὦμεν |
| second plural | ἐστέ | ἦτε |
| third plural | εἰσίν | ὦσι(ν) |