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English Verb Conjugator

Verb conjugation

To certify

Verbe régulier
certify, certified, certified

Indicative

Present (simple)

  • I certify
  • you certify
  • he certifies
  • we certify
  • you certify
  • they certify

Present progressive / continuous

  • I am certifying
  • you are certifying
  • he is certifying
  • we are certifying
  • you are certifying
  • they are certifying

Past (simple)

  • I certified
  • you certified
  • he certified
  • we certified
  • you certified
  • they certified

Past progressive / continuous

  • I was certifying
  • you were certifying
  • he was certifying
  • we were certifying
  • you were certifying
  • they were certifying

Present perfect (simple)

  • I have certified
  • you have certified
  • he has certified
  • we have certified
  • you have certified
  • they have certified

Present perfect progressive / continuous

  • I have been certifying
  • you have been certifying
  • he has been certifying
  • we have been certifying
  • you have been certifying
  • they have been certifying

Past perfect

  • I had certified
  • you had certified
  • he had certified
  • we had certified
  • you had certified
  • they had certified

Past perfect progressive / continuous

  • I had been certifying
  • you had been certifying
  • he had been certifying
  • we had been certifying
  • you had been certifying
  • they had been certifying

Future

  • I will certify
  • you will certify
  • he will certify
  • we will certify
  • you will certify
  • they will certify

Future progressive / continuous

  • I will be certifying
  • you will be certifying
  • he will be certifying
  • we will be certifying
  • you will be certifying
  • they will be certifying

Future perfect

  • I will have certified
  • you will have certified
  • he will have certified
  • we will have certified
  • you will have certified
  • they will have certified

Future perfect continuous

  • I will have been certifying
  • you will have been certifying
  • he will have been certifying
  • we will have been certifying
  • you will have been certifying
  • they will have been certifying

Conditional

Simple

  • I would certify
  • you would certify
  • he would certify
  • we would certify
  • you would certify
  • they would certify

Progressive

  • I would be certifying
  • you would be certifying
  • he would be certifying
  • we would be certifying
  • you would be certifying
  • they would be certifying

Perfect

  • I would have certified
  • you would have certified
  • he would have certified
  • we would have certified
  • you would have certified
  • they would have certified

Perfect progressive

  • I would have been certifying
  • you would have been certifying
  • he would have been certifying
  • we would have been certifying
  • you would have been certifying
  • they would have been certifying

Infinitive

Infinitive

  • to certify

Imperative

Imperative

  • certify
  • Let's certify
If you're having difficulty with the English verb to certify, check out our online English lessons!
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