Present
| I | tack |
| You | tack |
| She | tacks |
| We | tack |
| They | tack |
Past
| I | tacked |
| You | tacked |
| She | tacked |
| We | tacked |
| They | tacked |
Perfect
| I | have | tacked |
| You | have | tacked |
| She | has | tacked |
| We | have | tacked |
| They | have | tacked |
Future
| I | will | tack |
| You | will | tack |
| She | will | tack |
| We | will | tack |
| They | will | tack |
Past Perfect
| I | had | tacked |
| You | had | tacked |
| She | had | tacked |
| We | had | tacked |
| They | had | tacked |
Future Perfect
| I | will | have | tacked |
| You | will | have | tacked |
| She | will | have | tacked |
| We | will | have | tacked |
| They | will | have | tacked |
Present - Conditional
| I | would | tack |
| You | would | tack |
| She | would | tack |
| We | would | tack |
| They | would | tack |
Perfect - Conditional
| I | would | have | tacked |
| You | would | have | tacked |
| She | would | have | tacked |
| We | would | have | tacked |
| They | would | have | tacked |