| Present "retrieve" | I | retrieve | |
| Present Continuous "retrieve" | I | am retrieving | |
| Simple past "retrieve" | I | retrieved | |
| Past Continuous "retrieve" | I | was retrieving | |
| Present perfect "retrieve" | I | have retrieved | |
| Present perfect continuous "retrieve" | I | have been retrieving | |
| Past perfect "retrieve" | I | had retrieved | |
| Past perfect continuous "retrieve" | I | had been retrieving | |
| Future "retrieve" | I | will retrieve | |
| Future continuous "retrieve" | I | will be retrieving | |
| Future perfect "retrieve" | I | will have retrieved | |
| Future perfect continuous "retrieve" | I | will have been retrieving |