| Presente (Present) "mumble" | I | mumble | |
| Presente continuo (Present Continuous) "mumble" | I | am mumbling | |
| Pasado simple (Simple past) "mumble" | I | mumbled | |
| Pasado continuo (Past Continuous) "mumble" | I | was mumbling | |
| Presente perfecto (Present perfect) "mumble" | I | have mumbled | |
| Presente perfecto continuo (Present perfect continuous) "mumble" | I | have been mumbling | |
| Pasado perfecto (Past perfect) "mumble" | I | had mumbled | |
| Pasado perfecto continuo (Past perfect continuous) "mumble" | I | had been mumbling | |
| Futuro (Future) "mumble" | I | will mumble | |
| Futuro continuo (Future continuous) "mumble" | I | will be mumbling | |
| Futuro perfecto (Future perfect) "mumble" | I | will have mumbled | |
| Futuro perfecto continuo (Future perfect continuous) "mumble" | I | will have been mumbling |