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