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Indicative

Present Simple
Perfect Simple
Past Simple
Pluperfect Simple
Future Simple
Future perfect Simple
Present Continuous
Perfect Continuous
Past Continuous
Pluperfect Continuous
Future Continuous
Future perfect Continuous
I certificate
you certificate
he/she/it certificates
we certificate
they certificate
I have certificated
you have certificated
he/she/it has certificated
we have certificated
they have certificated
I certificated
you certificated
he/she/it certificated
we certificated
they certificated
I had certificated
you had certificated
he/she/it had certificated
we had certificated
they had certificated
I will certificate
you will certificate
he/she/it will certificate
we will certificate
they will certificate
I will have certificated
you will have certificated
he/she/it will have certificated
we will have certificated
they will have certificated
I am certificating
you are certificating
he/she/it is certificating
we are certificating
they are certificating
I have been certificating
you have been certificating
he/she/it has been certificating
we have been certificating
they have been certificating
I was certificating
you were certificating
he/she/it was certificating
we were certificating
they were certificating
I had been certificating
you had been certificating
he/she/it had been certificating
we had been certificating
they had been certificating
I will be certificating
you will be certificating
he/she/it will be certificating
we will be certificating
they will be certificating
I will have been certificating
you will have been certificating
he/she/it will have been certificating
we will have been certificating
they will have been certificating

Subjunctive

Present Simple
Perfect Simple
Imperfect Simple
Pluperfect Simple
I certificate
you certificate
he/she/it certificate
we certificate
they certificate
I have certificated
you have certificated
he/she/it have certificated
we have certificated
they have certificated
I certificated
you certificated
he/she/it certificated
we certificated
they certificated
I had certificated
you had certificated
he/she/it had certificated
we had certificated
they had certificated

Conditional

Present Simple
Perfect Simple
Present Continuous
Perfect Continuous
I would certificate
you would certificate
he/she/it would certificate
we would certificate
they would certificate
I would have certificated
you would have certificated
he/she/it would have certificated
we would have certificated
they would have certificated
I would be certificating
you would be certificating
he/she/it would be certificating
we would be certificating
they would be certificating
I would have been certificating
you would have been certificating
he/she/it would have been certificating
we would have been certificating
they would have been certificating

Imperative

you certificate
we Let's certificate

← Conjugate another English verb

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