Present
| I | yawn |
| You | yawn |
| She | yawns |
| We | yawn |
| They | yawn |
Past
| I | yawned |
| You | yawned |
| She | yawned |
| We | yawned |
| They | yawned |
Perfect
| I | have | yawned |
| You | have | yawned |
| She | has | yawned |
| We | have | yawned |
| They | have | yawned |
Future
| I | will | yawn |
| You | will | yawn |
| She | will | yawn |
| We | will | yawn |
| They | will | yawn |
Past Perfect
| I | had | yawned |
| You | had | yawned |
| She | had | yawned |
| We | had | yawned |
| They | had | yawned |
Future Perfect
| I | will | have | yawned |
| You | will | have | yawned |
| She | will | have | yawned |
| We | will | have | yawned |
| They | will | have | yawned |
Present - Conditional
| I | would | yawn |
| You | would | yawn |
| She | would | yawn |
| We | would | yawn |
| They | would | yawn |
Perfect - Conditional
| I | would | have | yawned |
| You | would | have | yawned |
| She | would | have | yawned |
| We | would | have | yawned |
| They | would | have | yawned |