Present
| I | pretreat |
| You | pretreat |
| She | pretreats |
| We | pretreat |
| They | pretreat |
Past
| I | pretreated |
| You | pretreated |
| She | pretreated |
| We | pretreated |
| They | pretreated |
Perfect
| I | have | pretreated |
| You | have | pretreated |
| She | has | pretreated |
| We | have | pretreated |
| They | have | pretreated |
Future
| I | will | pretreat |
| You | will | pretreat |
| She | will | pretreat |
| We | will | pretreat |
| They | will | pretreat |
Past Perfect
| I | had | pretreated |
| You | had | pretreated |
| She | had | pretreated |
| We | had | pretreated |
| They | had | pretreated |
Future Perfect
| I | will | have | pretreated |
| You | will | have | pretreated |
| She | will | have | pretreated |
| We | will | have | pretreated |
| They | will | have | pretreated |
Present - Conditional
| I | would | pretreat |
| You | would | pretreat |
| She | would | pretreat |
| We | would | pretreat |
| They | would | pretreat |
Perfect - Conditional
| I | would | have | pretreated |
| You | would | have | pretreated |
| She | would | have | pretreated |
| We | would | have | pretreated |
| They | would | have | pretreated |