Present
| I | antagonise |
| You | antagonise |
| She | antagonises |
| We | antagonise |
| They | antagonise |
Past
| I | antagonised |
| You | antagonised |
| She | antagonised |
| We | antagonised |
| They | antagonised |
Perfect
| I | have | antagonised |
| You | have | antagonised |
| She | has | antagonised |
| We | have | antagonised |
| They | have | antagonised |
Future
| I | will | antagonise |
| You | will | antagonise |
| She | will | antagonise |
| We | will | antagonise |
| They | will | antagonise |
Past Perfect
| I | had | antagonised |
| You | had | antagonised |
| She | had | antagonised |
| We | had | antagonised |
| They | had | antagonised |
Future Perfect
| I | will | have | antagonised |
| You | will | have | antagonised |
| She | will | have | antagonised |
| We | will | have | antagonised |
| They | will | have | antagonised |
Present - Conditional
| I | would | antagonise |
| You | would | antagonise |
| She | would | antagonise |
| We | would | antagonise |
| They | would | antagonise |
Perfect - Conditional
| I | would | have | antagonised |
| You | would | have | antagonised |
| She | would | have | antagonised |
| We | would | have | antagonised |
| They | would | have | antagonised |