| Présent (Present) "fortify" | I | fortify | |
| Présent continu (Present Continuous) "fortify" | I | am fortifying | |
| Passé (Simple past) "fortify" | I | fortified | |
| Passé antérieur (Past Continuous) "fortify" | I | was fortifying | |
| Présent parfait (Present perfect) "fortify" | I | have fortified | |
| Continu Présent (Present perfect continuous) "fortify" | I | have been fortifying | |
| Imparfait (Past perfect) "fortify" | I | had fortified | |
| Plus-que-parfait (Past perfect continuous) "fortify" | I | had been fortifying | |
| Futur simple (Future) "fortify" | I | will fortify | |
| Futur (Future continuous) "fortify" | I | will be fortifying | |
| Futur antérieur (Future perfect) "fortify" | I | will have fortified | |
| Futur antérieur continu (Future perfect continuous) "fortify" | I | will have been fortifying |