English Conjugation

Verb conjugation

Conjugate To alter in English

Regular verb
alter, altered, altered

Indicative

Present (simple)

  • I alter
  • you alter
  • he alters
  • we alter
  • you alter
  • they alter

Present progressive / continuous

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

Past (simple)

  • I altered
  • you altered
  • he altered
  • we altered
  • you altered
  • they altered

Past progressive / continuous

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

Present perfect (simple)

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

Present perfect progressive / continuous

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

Past perfect

  • I had altered
  • you had altered
  • he had altered
  • we had altered
  • you had altered
  • they had altered

Past perfect progressive / continuous

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

Future

  • I will alter
  • you will alter
  • he will alter
  • we will alter
  • you will alter
  • they will alter

Future progressive / continuous

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

Future perfect

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

Future perfect continuous

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

Conditional

Simple

  • I would alter
  • you would alter
  • he would alter
  • we would alter
  • you would alter
  • they would alter

Progressive

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

Perfect

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

Perfect progressive

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

Infinitive

Infinitive

  • to alter

Imperative

Imperative

  • alter
  • Let's alter
If you're having difficulty with the English verb to alter, check out our online English lessons! Vatefaireconjuguer is a free online conjugator created by Gymglish. Founded in 2004, Gymglish creates fun, personalized online language courses: English course, Spanish course, German course, French course, Italian course and more. Conjugate all English verbs (of all groups) in every tense and mode: Indicative, Present, Past-perfect, Present perfect progressive, Future perfect continuous, Conditional, Infinitive, Imperative, etc. Not sure how to conjugate the English verb to alter? Simply type to alter in our search bar to view its English conjugation. You can also conjugate a sentence, for example ‘conjugate an English verb’! In order to improve on your spelling, Gymglish also offers online English courses and gives you access to many grammar rules to learn the language, including spelling and conjugation tips. Don't forget to check out our list of irregular verbs and modal verbs! Our online verb conjugators: French conjugator, Spanish conjugator, German conjugation, Italian conjugation, Italian conjugation.
Download our conjugation apps for free: