Present
| I | fasten |
| You | fasten |
| She | fastens |
| We | fasten |
| They | fasten |
Past
| I | fastened |
| You | fastened |
| She | fastened |
| We | fastened |
| They | fastened |
Perfect
| I | have | fastened |
| You | have | fastened |
| She | has | fastened |
| We | have | fastened |
| They | have | fastened |
Future
| I | will | fasten |
| You | will | fasten |
| She | will | fasten |
| We | will | fasten |
| They | will | fasten |
Past Perfect
| I | had | fastened |
| You | had | fastened |
| She | had | fastened |
| We | had | fastened |
| They | had | fastened |
Future Perfect
| I | will | have | fastened |
| You | will | have | fastened |
| She | will | have | fastened |
| We | will | have | fastened |
| They | will | have | fastened |
Present - Conditional
| I | would | fasten |
| You | would | fasten |
| She | would | fasten |
| We | would | fasten |
| They | would | fasten |
Perfect - Conditional
| I | would | have | fastened |
| You | would | have | fastened |
| She | would | have | fastened |
| We | would | have | fastened |
| They | would | have | fastened |