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