Learn how to conjugate the irregular English verb undo 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 undo, first add it to your verb list by clicking on the Add to My Verbs button above.

Indicative

Present simple

  • I undo
  • you undo
  • he undoes
  • we undo
  • you undo
  • they undo

Past simple

  • I undid
  • you undid
  • he undid
  • we undid
  • you undid
  • they undid

Future

  • I will undo
  • you will undo
  • he will undo
  • we will undo
  • you will undo
  • they will undo

Present continuous

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

Past continuous

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

Future continuous

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

Present perfect

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

Pluperfect

  • I had undone
  • you had undone
  • he had undone
  • we had undone
  • you had undone
  • they had undone

Future perfect

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

Present perfect continuous

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

Pluperfect continuous

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

Future perfect continuous

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

Subjunctive

  • I would undo
  • you would undo
  • he would undo
  • we would undo
  • you would undo
  • they would undo

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

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

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

Imperative

Affirmative

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

Conjugate other English verbs