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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 certify
you certify
he/she/it certifies
we certify
they certify
I have certified
you have certified
he/she/it has certified
we have certified
they have certified
I certified
you certified
he/she/it certified
we certified
they certified
I had certified
you had certified
he/she/it had certified
we had certified
they had certified
I will certify
you will certify
he/she/it will certify
we will certify
they will certify
I will have certified
you will have certified
he/she/it will have certified
we will have certified
they will have certified
I am certifying
you are certifying
he/she/it is certifying
we are certifying
they are certifying
I have been certifying
you have been certifying
he/she/it has been certifying
we have been certifying
they have been certifying
I was certifying
you were certifying
he/she/it was certifying
we were certifying
they were certifying
I had been certifying
you had been certifying
he/she/it had been certifying
we had been certifying
they had been certifying
I will be certifying
you will be certifying
he/she/it will be certifying
we will be certifying
they will be certifying
I will have been certifying
you will have been certifying
he/she/it will have been certifying
we will have been certifying
they will have been certifying

Subjunctive

Present Simple
Perfect Simple
Imperfect Simple
Pluperfect Simple
I certify
you certify
he/she/it certify
we certify
they certify
I have certified
you have certified
he/she/it have certified
we have certified
they have certified
I certified
you certified
he/she/it certified
we certified
they certified
I had certified
you had certified
he/she/it had certified
we had certified
they had certified

Conditional

Present Simple
Perfect Simple
Present Continuous
Perfect Continuous
I would certify
you would certify
he/she/it would certify
we would certify
they would certify
I would have certified
you would have certified
he/she/it would have certified
we would have certified
they would have certified
I would be certifying
you would be certifying
he/she/it would be certifying
we would be certifying
they would be certifying
I would have been certifying
you would have been certifying
he/she/it would have been certifying
we would have been certifying
they would have been certifying

Imperative

you certify
we Let's certify

← Conjugate another English verb

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