| Present "commence" | I | commence | |
| Present Continuous "commence" | I | am commencing | |
| Simple past "commence" | I | commenced | |
| Past Continuous "commence" | I | was commencing | |
| Present perfect "commence" | I | have commenced | |
| Present perfect continuous "commence" | I | have been commencing | |
| Past perfect "commence" | I | had commenced | |
| Past perfect continuous "commence" | I | had been commencing | |
| Future "commence" | I | will commence | |
| Future continuous "commence" | I | will be commencing | |
| Future perfect "commence" | I | will have commenced | |
| Future perfect continuous "commence" | I | will have been commencing |