Present
| I | improve |
| You | improve |
| She | improves |
| We | improve |
| They | improve |
Past
| I | improved |
| You | improved |
| She | improved |
| We | improved |
| They | improved |
Perfect
| I | have | improved |
| You | have | improved |
| She | has | improved |
| We | have | improved |
| They | have | improved |
Future
| I | will | improve |
| You | will | improve |
| She | will | improve |
| We | will | improve |
| They | will | improve |
Past Perfect
| I | had | improved |
| You | had | improved |
| She | had | improved |
| We | had | improved |
| They | had | improved |
Future Perfect
| I | will | have | improved |
| You | will | have | improved |
| She | will | have | improved |
| We | will | have | improved |
| They | will | have | improved |
Present - Conditional
| I | would | improve |
| You | would | improve |
| She | would | improve |
| We | would | improve |
| They | would | improve |
Perfect - Conditional
| I | would | have | improved |
| You | would | have | improved |
| She | would | have | improved |
| We | would | have | improved |
| They | would | have | improved |