| Present "acidify" | I | acidify | |
| Present Continuous "acidify" | I | am acidifying | |
| Simple past "acidify" | I | acidified | |
| Past Continuous "acidify" | I | was acidifying | |
| Present perfect "acidify" | I | have acidified | |
| Present perfect continuous "acidify" | I | have been acidifying | |
| Past perfect "acidify" | I | had acidified | |
| Past perfect continuous "acidify" | I | had been acidifying | |
| Future "acidify" | I | will acidify | |
| Future continuous "acidify" | I | will be acidifying | |
| Future perfect "acidify" | I | will have acidified | |
| Future perfect continuous "acidify" | I | will have been acidifying |