| Present "antagonize" | I | antagonize | |
| Present Continuous "antagonize" | I | am antagonizing | |
| Simple past "antagonize" | I | antagonized | |
| Past Continuous "antagonize" | I | was antagonizing | |
| Present perfect "antagonize" | I | have antagonized | |
| Present perfect continuous "antagonize" | I | have been antagonizing | |
| Past perfect "antagonize" | I | had antagonized | |
| Past perfect continuous "antagonize" | I | had been antagonizing | |
| Future "antagonize" | I | will antagonize | |
| Future continuous "antagonize" | I | will be antagonizing | |
| Future perfect "antagonize" | I | will have antagonized | |
| Future perfect continuous "antagonize" | I | will have been antagonizing |