| Simple | Progressive | Perfect | Progressive |
| Present |
| I attest |
| you attest |
| he/she/it attests |
| we attest |
| you all attest |
| they attest |
|
| I am attesting |
| you are attesting |
| he/she/it is attesting |
| we are attesting |
| you all are attesting |
| they are attesting |
|
| I have attested |
| you have attested |
| he/she/it has attested |
| we have attested |
| you all have attested |
| they have attested |
|
| I have been attesting |
| you have been attesting |
| he/she/it has been attesting |
| we have been attesting |
| you all have been attesting |
| they have been attesting |
|
| Past |
| I attested |
| you attested |
| he/she/it attested |
| we attested |
| you all attested |
| they attested |
|
| I was attesting |
| you were attesting |
| he/she/it was attesting |
| we were attesting |
| you all were attesting |
| they were attesting |
|
| I had attested |
| you had attested |
| he/she/it had attested |
| we had attested |
| you all had attested |
| they had attested |
|
| I had been attesting |
| you had been attesting |
| he/she/it had been attesting |
| we had been attesting |
| you all had been attesting |
| they had been attesting |
|
| Future |
| I will attest |
| you will attest |
| he/she/it will attest |
| we will attest |
| you all will attest |
| they will attest |
|
| I will be attesting |
| you will be attesting |
| he/she/it will be attesting |
| we are attesting |
| you all will be attesting |
| they will be attesting |
|
| I will have attested |
| you will have attested |
| he/she/it will have attested |
| we will have attested |
| you all will have attested |
| they will have attested |
|
| I will have been attesting |
| you will have been attesting |
| he/she/it will have been attesting |
| we will have been attesting |
| you all will have been attesting |
| they will have been attesting |
|
