Present
| I | estimate |
| You | estimate |
| She | estimates |
| We | estimate |
| They | estimate |
Past
| I | estimated |
| You | estimated |
| She | estimated |
| We | estimated |
| They | estimated |
Perfect
| I | have | estimated |
| You | have | estimated |
| She | has | estimated |
| We | have | estimated |
| They | have | estimated |
Future
| I | will | estimate |
| You | will | estimate |
| She | will | estimate |
| We | will | estimate |
| They | will | estimate |
Past Perfect
| I | had | estimated |
| You | had | estimated |
| She | had | estimated |
| We | had | estimated |
| They | had | estimated |
Future Perfect
| I | will | have | estimated |
| You | will | have | estimated |
| She | will | have | estimated |
| We | will | have | estimated |
| They | will | have | estimated |
Present - Conditional
| I | would | estimate |
| You | would | estimate |
| She | would | estimate |
| We | would | estimate |
| They | would | estimate |
Perfect - Conditional
| I | would | have | estimated |
| You | would | have | estimated |
| She | would | have | estimated |
| We | would | have | estimated |
| They | would | have | estimated |