| Present Simple - Presente (Present) "acidify" | I | acidify | |
| Presente Contínuo (Present Continuous) (Present Continuous) "acidify" | I | am acidifying | |
| Tempo passado (Simple past) "acidify" | I | acidified | |
| Passado Contínuo (Past Continuous) "acidify" | I | was acidifying | |
| Present Perfect (Present perfect) "acidify" | I | have acidified | |
| Perfeito Presente Contínuo (Present Perfect Continuous) "acidify" | I | have been acidifying | |
| Past Perfect (Present perfect) "acidify" | I | had acidified | |
| Perfeito presente contínuo (Past perfect continuous) "acidify" | I | had been acidifying | |
| O futuro (Future) "acidify" | I | will acidify | |
| Futuro do Pretérito (Future Continuous) "acidify" | I | will be acidifying | |
| Futuro (Future perfect) "acidify" | I | will have acidified | |
| Perfeito Futuro do Pretérito (Future perfect continuous) "acidify" | I | will have been acidifying |