| Present "upgrow" | I | upgrow | |
| Present Continuous "upgrow" | I | am upgrowing | |
| Simple past "upgrow" | I | upgrew | |
| Past Continuous "upgrow" | I | was upgrowing | |
| Present perfect "upgrow" | I | have upgrown | |
| Present perfect continuous "upgrow" | I | have been upgrowing | |
| Past perfect "upgrow" | I | had upgrown | |
| Past perfect continuous "upgrow" | I | had been upgrowing | |
| Future "upgrow" | I | will upgrow | |
| Future continuous "upgrow" | I | will be upgrowing | |
| Future perfect "upgrow" | I | will have upgrown | |
| Future perfect continuous "upgrow" | I | will have been upgrowing |