| Simple | Progressive | Perfect | Progressive |
| Present |
| I meliorate |
| you meliorate |
| he/she/it meliorates |
| we meliorate |
| you all meliorate |
| they meliorate |
|
| I am meliorating |
| you are meliorating |
| he/she/it is meliorating |
| we are meliorating |
| you all are meliorating |
| they are meliorating |
|
| I have meliorated |
| you have meliorated |
| he/she/it has meliorated |
| we have meliorated |
| you all have meliorated |
| they have meliorated |
|
| I have been meliorating |
| you have been meliorating |
| he/she/it has been meliorating |
| we have been meliorating |
| you all have been meliorating |
| they have been meliorating |
|
| Past |
| I meliorated |
| you meliorated |
| he/she/it meliorated |
| we meliorated |
| you all meliorated |
| they meliorated |
|
| I was meliorating |
| you were meliorating |
| he/she/it was meliorating |
| we were meliorating |
| you all were meliorating |
| they were meliorating |
|
| I had meliorated |
| you had meliorated |
| he/she/it had meliorated |
| we had meliorated |
| you all had meliorated |
| they had meliorated |
|
| I had been meliorating |
| you had been meliorating |
| he/she/it had been meliorating |
| we had been meliorating |
| you all had been meliorating |
| they had been meliorating |
|
| Future |
| I will meliorate |
| you will meliorate |
| he/she/it will meliorate |
| we will meliorate |
| you all will meliorate |
| they will meliorate |
|
| I will be meliorating |
| you will be meliorating |
| he/she/it will be meliorating |
| we are meliorating |
| you all will be meliorating |
| they will be meliorating |
|
| I will have meliorated |
| you will have meliorated |
| he/she/it will have meliorated |
| we will have meliorated |
| you all will have meliorated |
| they will have meliorated |
|
| I will have been meliorating |
| you will have been meliorating |
| he/she/it will have been meliorating |
| we will have been meliorating |
| you all will have been meliorating |
| they will have been meliorating |
|
