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