| Present "appreciate" | I | appreciate | |
| Present Continuous "appreciate" | I | am appreciating | |
| Simple past "appreciate" | I | appreciated | |
| Past Continuous "appreciate" | I | was appreciating | |
| Present perfect "appreciate" | I | have appreciated | |
| Present perfect continuous "appreciate" | I | have been appreciating | |
| Past perfect "appreciate" | I | had appreciated | |
| Past perfect continuous "appreciate" | I | had been appreciating | |
| Future "appreciate" | I | will appreciate | |
| Future continuous "appreciate" | I | will be appreciating | |
| Future perfect "appreciate" | I | will have appreciated | |
| Future perfect continuous "appreciate" | I | will have been appreciating |