Present
| I | lighten |
| You | lighten |
| She | lightens |
| We | lighten |
| They | lighten |
Past
| I | lightened |
| You | lightened |
| She | lightened |
| We | lightened |
| They | lightened |
Perfect
| I | have | lightened |
| You | have | lightened |
| She | has | lightened |
| We | have | lightened |
| They | have | lightened |
Future
| I | will | lighten |
| You | will | lighten |
| She | will | lighten |
| We | will | lighten |
| They | will | lighten |
Past Perfect
| I | had | lightened |
| You | had | lightened |
| She | had | lightened |
| We | had | lightened |
| They | had | lightened |
Future Perfect
| I | will | have | lightened |
| You | will | have | lightened |
| She | will | have | lightened |
| We | will | have | lightened |
| They | will | have | lightened |
Present - Conditional
| I | would | lighten |
| You | would | lighten |
| She | would | lighten |
| We | would | lighten |
| They | would | lighten |
Perfect - Conditional
| I | would | have | lightened |
| You | would | have | lightened |
| She | would | have | lightened |
| We | would | have | lightened |
| They | would | have | lightened |