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