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