Learn how to conjugate the English verb alter with the below conjugation table. To listen to the audio pronunciation for each conjugation, simply click on the speaker icon next to the conjugated tense. To practice and test yourself on the English verb alter, first add it to your verb list by clicking on the Add to My Verbs button above.

Indicative

Present simple

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

Past simple

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

Future

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

Present continuous

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

Past continuous

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

Future 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

Present perfect

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

Pluperfect

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

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

Present perfect 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

Pluperfect 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 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

Subjunctive

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

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

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

  • 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

Imperative

Affirmative

  • (you) alter
  • (we) Let's alter
  • (you) alter

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