Present
| I | sieve |
| You | sieve |
| She | sieves |
| We | sieve |
| They | sieve |
Past
| I | sieved |
| You | sieved |
| She | sieved |
| We | sieved |
| They | sieved |
Perfect
| I | have | sieved |
| You | have | sieved |
| She | has | sieved |
| We | have | sieved |
| They | have | sieved |
Future
| I | will | sieve |
| You | will | sieve |
| She | will | sieve |
| We | will | sieve |
| They | will | sieve |
Past Perfect
| I | had | sieved |
| You | had | sieved |
| She | had | sieved |
| We | had | sieved |
| They | had | sieved |
Future Perfect
| I | will | have | sieved |
| You | will | have | sieved |
| She | will | have | sieved |
| We | will | have | sieved |
| They | will | have | sieved |
Present - Conditional
| I | would | sieve |
| You | would | sieve |
| She | would | sieve |
| We | would | sieve |
| They | would | sieve |
Perfect - Conditional
| I | would | have | sieved |
| You | would | have | sieved |
| She | would | have | sieved |
| We | would | have | sieved |
| They | would | have | sieved |