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