Present
| I | astound |
| You | astound |
| She | astounds |
| We | astound |
| They | astound |
Past
| I | astounded |
| You | astounded |
| She | astounded |
| We | astounded |
| They | astounded |
Perfect
| I | have | astounded |
| You | have | astounded |
| She | has | astounded |
| We | have | astounded |
| They | have | astounded |
Future
| I | will | astound |
| You | will | astound |
| She | will | astound |
| We | will | astound |
| They | will | astound |
Past Perfect
| I | had | astounded |
| You | had | astounded |
| She | had | astounded |
| We | had | astounded |
| They | had | astounded |
Future Perfect
| I | will | have | astounded |
| You | will | have | astounded |
| She | will | have | astounded |
| We | will | have | astounded |
| They | will | have | astounded |
Present - Conditional
| I | would | astound |
| You | would | astound |
| She | would | astound |
| We | would | astound |
| They | would | astound |
Perfect - Conditional
| I | would | have | astounded |
| You | would | have | astounded |
| She | would | have | astounded |
| We | would | have | astounded |
| They | would | have | astounded |