Present
| I | approximate |
| You | approximate |
| She | approximates |
| We | approximate |
| They | approximate |
Past
| I | approximated |
| You | approximated |
| She | approximated |
| We | approximated |
| They | approximated |
Perfect
| I | have | approximated |
| You | have | approximated |
| She | has | approximated |
| We | have | approximated |
| They | have | approximated |
Future
| I | will | approximate |
| You | will | approximate |
| She | will | approximate |
| We | will | approximate |
| They | will | approximate |
Past Perfect
| I | had | approximated |
| You | had | approximated |
| She | had | approximated |
| We | had | approximated |
| They | had | approximated |
Future Perfect
| I | will | have | approximated |
| You | will | have | approximated |
| She | will | have | approximated |
| We | will | have | approximated |
| They | will | have | approximated |
Present - Conditional
| I | would | approximate |
| You | would | approximate |
| She | would | approximate |
| We | would | approximate |
| They | would | approximate |
Perfect - Conditional
| I | would | have | approximated |
| You | would | have | approximated |
| She | would | have | approximated |
| We | would | have | approximated |
| They | would | have | approximated |