Present
| I | overestimate |
| You | overestimate |
| She | overestimates |
| We | overestimate |
| They | overestimate |
Past
| I | overestimated |
| You | overestimated |
| She | overestimated |
| We | overestimated |
| They | overestimated |
Perfect
| I | have | overestimated |
| You | have | overestimated |
| She | has | overestimated |
| We | have | overestimated |
| They | have | overestimated |
Future
| I | will | overestimate |
| You | will | overestimate |
| She | will | overestimate |
| We | will | overestimate |
| They | will | overestimate |
Past Perfect
| I | had | overestimated |
| You | had | overestimated |
| She | had | overestimated |
| We | had | overestimated |
| They | had | overestimated |
Future Perfect
| I | will | have | overestimated |
| You | will | have | overestimated |
| She | will | have | overestimated |
| We | will | have | overestimated |
| They | will | have | overestimated |
Present - Conditional
| I | would | overestimate |
| You | would | overestimate |
| She | would | overestimate |
| We | would | overestimate |
| They | would | overestimate |
Perfect - Conditional
| I | would | have | overestimated |
| You | would | have | overestimated |
| She | would | have | overestimated |
| We | would | have | overestimated |
| They | would | have | overestimated |