English Verb - To Attest Infinitive - to attest Present participle - attesting Past participle - attested 1. Present Tense Singular I attest You attest He/she/it attests Plural We attest You attest They attest 2. Present Progressive Tense Singular I am attesting You are attesting He/she/it is attesting Plural We are attesting You are attesting They are attesting 3. Past Tense Singular I attested You attested He/she/it attested Plural We attested You attested They attested 4. Present Perfect Tense Singular I have attested You have attested He/she/it has attested Plural We have attested You have attested They have attested 5. Present Perfect Progressive Tense Singular I have been attesting You have been attesting He/she/it has been attesting Plural We have been attesting You have been attesting They have been attesting 6. Past Progressive Tense Singular I was attesting You were attesting He/she/it was attesting Plural We were attesting You were attesting They were attesting 7. Past Perfect Tense Singular I had attested You had attested He/she/it had attested Plural We had attested You had attested They had attested 8. Past Perfect Progressive Tense Singular I had been attesting You had been attesting He/she/it had been attesting Plural We had been attesting You had been attesting They had been attesting 9. Future Tense Singular I will attest You will attest He/she/it will attest Plural We will attest You will attest They will attest 10. Future Progressive Tense Singular I will be attesting You will be attesting He/she/it will be attesting Plural We will be attesting You will be attesting They will be attesting 11. Future Perfect Tense Singular I will have attested You will have attested He/she/it will have attested Plural We will have attested You will have attested They will have attested 12. Future Perfect Progressive Tense Singular I will have been attesting You will have been attesting He/she/it will have been attesting Plural We will have been attesting You will have been attesting They will have been attesting