| Simple | Progressive | Perfect | Progressive |
| Present |
| I preserve |
| you preserve |
| he/she/it preserves |
| we preserve |
| you all preserve |
| they preserve |
|
| I am preserving |
| you are preserving |
| he/she/it is preserving |
| we are preserving |
| you all are preserving |
| they are preserving |
|
| I have preserved |
| you have preserved |
| he/she/it has preserved |
| we have preserved |
| you all have preserved |
| they have preserved |
|
| I have been preserving |
| you have been preserving |
| he/she/it has been preserving |
| we have been preserving |
| you all have been preserving |
| they have been preserving |
|
| Past |
| I preserved |
| you preserved |
| he/she/it preserved |
| we preserved |
| you all preserved |
| they preserved |
|
| I was preserving |
| you were preserving |
| he/she/it was preserving |
| we were preserving |
| you all were preserving |
| they were preserving |
|
| I had preserved |
| you had preserved |
| he/she/it had preserved |
| we had preserved |
| you all had preserved |
| they had preserved |
|
| I had been preserving |
| you had been preserving |
| he/she/it had been preserving |
| we had been preserving |
| you all had been preserving |
| they had been preserving |
|
| Future |
| I will preserve |
| you will preserve |
| he/she/it will preserve |
| we will preserve |
| you all will preserve |
| they will preserve |
|
| I will be preserving |
| you will be preserving |
| he/she/it will be preserving |
| we are preserving |
| you all will be preserving |
| they will be preserving |
|
| I will have preserved |
| you will have preserved |
| he/she/it will have preserved |
| we will have preserved |
| you all will have preserved |
| they will have preserved |
|
| I will have been preserving |
| you will have been preserving |
| he/she/it will have been preserving |
| we will have been preserving |
| you all will have been preserving |
| they will have been preserving |
|
