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