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