| singular | plural |
| Infinitive | | |
| commemorate | |
| present simple | | |
| 1 | I commemorate | we commemorate |
| 2 | you commemorate | you commemorate |
| 3 | he/she/it commemorates | they commemorate |
| past simple | | |
| 1 | I commemorated | we commemorated |
| 2 | you commemorated | you commemorated |
| 3 | he/she/it commemorated | they commemorated |
| future simple | | |
| 1 | I will/shall commemorate | we will/shall commemorate |
| 2 | you will/shall commemorate | you will/shall commemorate |
| 3 | he/she/it will/shall commemorate | they will/shall commemorate |
| conditional simple | | |
| 1 | I would commemorate | we would commemorate |
| 2 | you would commemorate | you would commemorate |
| 3 | he/she/it would commemorate | they would commemorate |
| present continuous | | |
| 1 | I am commemorating | we are commemorating |
| 2 | you are commemorating | you are commemorating |
| 3 | he/she/it is commemorating | they are commemorating |
| past continuous | | |
| 1 | I was commemorating | we were commemorating |
| 2 | you were commemorating | you were commemorating |
| 3 | he/she/it was commemorating | they were commemorating |
| future continuous | | |
| 1 | I will be commemorating | we will be commemorating |
| 2 | you will be commemorating | you will be commemorating |
| 3 | he/she/it will be commemorating | they will be commemorating |
| conditional continuous | | |
| 1 | I would be commemorating | we would be commemorating |
| 2 | you would be commemorating | you would be commemorating |
| 3 | he/she/it would be commemorating | they would be commemorating |
| present perfect | | |
| 1 | I have commemorated | we have commemorated |
| 2 | you have commemorated | you have commemorated |
| 3 | he/she/it has commemorated | they have commemorated |
| past perfect | | |
| 1 | I had commemorated | we had commemorated |
| 2 | you had commemorated | you had commemorated |
| 3 | he/she/it had commemorated | they had commemorated |
| future perfect | | |
| 1 | I will have commemorated | we will have commemorated |
| 2 | you will have commemorated | you will have commemorated |
| 3 | he/she/it will have commemorated | they will have commemorated |
| conditional perfect | | |
| 1 | I would have commemorated | we would have commemorated |
| 2 | you would have commemorated | you would have commemorated |
| 3 | he/she/it would have commemorated | they would have commemorated |
