English Conjugation

Verb conjugation

Conjugate To co-author in English

Regular verb
co-author, co-authored, co-authored

Indicative

Present (simple)

  • I co-author
  • you co-author
  • he co-authors
  • we co-author
  • you co-author
  • they co-author

Present progressive / continuous

  • I am co-authoring
  • you are co-authoring
  • he is co-authoring
  • we are co-authoring
  • you are co-authoring
  • they are co-authoring

Past (simple)

  • I co-authored
  • you co-authored
  • he co-authored
  • we co-authored
  • you co-authored
  • they co-authored

Past progressive / continuous

  • I was co-authoring
  • you were co-authoring
  • he was co-authoring
  • we were co-authoring
  • you were co-authoring
  • they were co-authoring

Present perfect (simple)

  • I have co-authored
  • you have co-authored
  • he has co-authored
  • we have co-authored
  • you have co-authored
  • they have co-authored

Present perfect progressive / continuous

  • I have been co-authoring
  • you have been co-authoring
  • he has been co-authoring
  • we have been co-authoring
  • you have been co-authoring
  • they have been co-authoring

Past perfect

  • I had co-authored
  • you had co-authored
  • he had co-authored
  • we had co-authored
  • you had co-authored
  • they had co-authored

Past perfect progressive / continuous

  • I had been co-authoring
  • you had been co-authoring
  • he had been co-authoring
  • we had been co-authoring
  • you had been co-authoring
  • they had been co-authoring

Future

  • I will co-author
  • you will co-author
  • he will co-author
  • we will co-author
  • you will co-author
  • they will co-author

Future progressive / continuous

  • I will be co-authoring
  • you will be co-authoring
  • he will be co-authoring
  • we will be co-authoring
  • you will be co-authoring
  • they will be co-authoring

Future perfect

  • I will have co-authored
  • you will have co-authored
  • he will have co-authored
  • we will have co-authored
  • you will have co-authored
  • they will have co-authored

Future perfect continuous

  • I will have been co-authoring
  • you will have been co-authoring
  • he will have been co-authoring
  • we will have been co-authoring
  • you will have been co-authoring
  • they will have been co-authoring

Conditional

Simple

  • I would co-author
  • you would co-author
  • he would co-author
  • we would co-author
  • you would co-author
  • they would co-author

Progressive

  • I would be co-authoring
  • you would be co-authoring
  • he would be co-authoring
  • we would be co-authoring
  • you would be co-authoring
  • they would be co-authoring

Perfect

  • I would have co-authored
  • you would have co-authored
  • he would have co-authored
  • we would have co-authored
  • you would have co-authored
  • they would have co-authored

Perfect progressive

  • I would have been co-authoring
  • you would have been co-authoring
  • he would have been co-authoring
  • we would have been co-authoring
  • you would have been co-authoring
  • they would have been co-authoring

Infinitive

Infinitive

  • to co-author

Imperative

Imperative

  • co-author
  • Let's co-author
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