Present
| I | serve |
| You | serve |
| She | serves |
| We | serve |
| They | serve |
Past
| I | served |
| You | served |
| She | served |
| We | served |
| They | served |
Perfect
| I | have | served |
| You | have | served |
| She | has | served |
| We | have | served |
| They | have | served |
Future
| I | will | serve |
| You | will | serve |
| She | will | serve |
| We | will | serve |
| They | will | serve |
Past Perfect
| I | had | served |
| You | had | served |
| She | had | served |
| We | had | served |
| They | had | served |
Future Perfect
| I | will | have | served |
| You | will | have | served |
| She | will | have | served |
| We | will | have | served |
| They | will | have | served |
Present - Conditional
| I | would | serve |
| You | would | serve |
| She | would | serve |
| We | would | serve |
| They | would | serve |
Perfect - Conditional
| I | would | have | served |
| You | would | have | served |
| She | would | have | served |
| We | would | have | served |
| They | would | have | served |