Present
| I | excogitate |
| You | excogitate |
| She | excogitates |
| We | excogitate |
| They | excogitate |
Past
| I | excogitated |
| You | excogitated |
| She | excogitated |
| We | excogitated |
| They | excogitated |
Perfect
| I | have | excogitated |
| You | have | excogitated |
| She | has | excogitated |
| We | have | excogitated |
| They | have | excogitated |
Future
| I | will | excogitate |
| You | will | excogitate |
| She | will | excogitate |
| We | will | excogitate |
| They | will | excogitate |
Past Perfect
| I | had | excogitated |
| You | had | excogitated |
| She | had | excogitated |
| We | had | excogitated |
| They | had | excogitated |
Future Perfect
| I | will | have | excogitated |
| You | will | have | excogitated |
| She | will | have | excogitated |
| We | will | have | excogitated |
| They | will | have | excogitated |
Present - Conditional
| I | would | excogitate |
| You | would | excogitate |
| She | would | excogitate |
| We | would | excogitate |
| They | would | excogitate |
Perfect - Conditional
| I | would | have | excogitated |
| You | would | have | excogitated |
| She | would | have | excogitated |
| We | would | have | excogitated |
| They | would | have | excogitated |