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