| Present "conserve" | I | conserve | |
| Present Continuous "conserve" | I | am conserving | |
| Simple past "conserve" | I | conserved | |
| Past Continuous "conserve" | I | was conserving | |
| Present perfect "conserve" | I | have conserved | |
| Present perfect continuous "conserve" | I | have been conserving | |
| Past perfect "conserve" | I | had conserved | |
| Past perfect continuous "conserve" | I | had been conserving | |
| Future "conserve" | I | will conserve | |
| Future continuous "conserve" | I | will be conserving | |
| Future perfect "conserve" | I | will have conserved | |
| Future perfect continuous "conserve" | I | will have been conserving |