Navigation
Home
Resources
Irregular verbs quizzes English conjugator English-French dictionary French dictionary English dictionary Monolingual dictionaries Scores by institution Free sample tests FAQ Pricing Tourism training Blog Videos
Login Sign up
Blog
Videos
Pricing
FR EN

Conjugation of the verb "to undo"

Semi-regular verb (spelling: -es in 3rd person)

to

undo

Indicative

Present

Affirmative
  1. Iundo
  2. youundo
  3. he, she, itundoes
  4. weundo
  5. youundo
  6. theyundo
Negative
  1. Ido not undo
  2. youdo not undo
  3. he, she, itdoes not undo
  4. wedo not undo
  5. youdo not undo
  6. theydo not undo
Interrogative
  1. DoI undo?
  2. Doyou undo?
  3. Doeshe, she, it undo?
  4. Dowe undo?
  5. Doyou undo?
  6. Dothey undo?
Passive
  1. Iam undoed
  2. youare undoed
  3. he, she, itis undoed
  4. weare undoed
  5. youare undoed
  6. theyare undoed

Simple past

Affirmative
  1. Iundoed
  2. youundoed
  3. he, she, itundoed
  4. weundoed
  5. youundoed
  6. theyundoed
Negative
  1. Idid not undo
  2. youdid not undo
  3. he, she, itdid not undo
  4. wedid not undo
  5. youdid not undo
  6. theydid not undo
Interrogative
  1. DidI undo?
  2. Didyou undo?
  3. Didhe, she, it undo?
  4. Didwe undo?
  5. Didyou undo?
  6. Didthey undo?
Passive
  1. Iwas undoed
  2. youwere undoed
  3. he, she, itwas undoed
  4. wewere undoed
  5. youwere undoed
  6. theywere undoed

Future

Affirmative
  1. Iwill undo
  2. youwill undo
  3. he, she, itwill undo
  4. wewill undo
  5. youwill undo
  6. theywill undo
Negative
  1. Iwill not undo
  2. youwill not undo
  3. he, she, itwill not undo
  4. wewill not undo
  5. youwill not undo
  6. theywill not undo
Interrogative
  1. WillI undo?
  2. Willyou undo?
  3. Willhe, she, it undo?
  4. Willwe undo?
  5. Willyou undo?
  6. Willthey undo?
Passive
  1. Iwill be undoed
  2. youwill be undoed
  3. he, she, itwill be undoed
  4. wewill be undoed
  5. youwill be undoed
  6. theywill be undoed

Present perfect

Affirmative
  1. Ihave undoed
  2. youhave undoed
  3. he, she, ithas undoed
  4. wehave undoed
  5. youhave undoed
  6. theyhave undoed
Negative
  1. Ihave not undoed
  2. youhave not undoed
  3. he, she, ithas not undoed
  4. wehave not undoed
  5. youhave not undoed
  6. theyhave not undoed
Interrogative
  1. HaveI undoed?
  2. Haveyou undoed?
  3. Hashe, she, it undoed?
  4. Havewe undoed?
  5. Haveyou undoed?
  6. Havethey undoed?
Passive
  1. Ihave been undoed
  2. youhave been undoed
  3. he, she, ithas been undoed
  4. wehave been undoed
  5. youhave been undoed
  6. theyhave been undoed

Past perfect

Affirmative
  1. Ihad undoed
  2. youhad undoed
  3. he, she, ithad undoed
  4. wehad undoed
  5. youhad undoed
  6. theyhad undoed
Negative
  1. Ihad not undoed
  2. youhad not undoed
  3. he, she, ithad not undoed
  4. wehad not undoed
  5. youhad not undoed
  6. theyhad not undoed
Interrogative
  1. HadI undoed?
  2. Hadyou undoed?
  3. Hadhe, she, it undoed?
  4. Hadwe undoed?
  5. Hadyou undoed?
  6. Hadthey undoed?
Passive
  1. Ihad been undoed
  2. youhad been undoed
  3. he, she, ithad been undoed
  4. wehad been undoed
  5. youhad been undoed
  6. theyhad been undoed

Future perfect

Affirmative
  1. Iwill have undoed
  2. youwill have undoed
  3. he, she, itwill have undoed
  4. wewill have undoed
  5. youwill have undoed
  6. theywill have undoed
Negative
  1. Iwill not have undoed
  2. youwill not have undoed
  3. he, she, itwill not have undoed
  4. wewill not have undoed
  5. youwill not have undoed
  6. theywill not have undoed
Interrogative
  1. WillI have undoed?
  2. Willyou have undoed?
  3. Willhe, she, it have undoed?
  4. Willwe have undoed?
  5. Willyou have undoed?
  6. Willthey have undoed?
Passive
  1. Iwill have been undoed
  2. youwill have been undoed
  3. he, she, itwill have been undoed
  4. wewill have been undoed
  5. youwill have been undoed
  6. theywill have been undoed

Present continuous

Affirmative
  1. Iam undoing
  2. youare undoing
  3. he, she, itis undoing
  4. weare undoing
  5. youare undoing
  6. theyare undoing
Negative
  1. Iam not undoing
  2. youare not undoing
  3. he, she, itis not undoing
  4. weare not undoing
  5. youare not undoing
  6. theyare not undoing
Interrogative
  1. AmI undoing?
  2. Areyou undoing?
  3. Ishe, she, it undoing?
  4. Arewe undoing?
  5. Areyou undoing?
  6. Arethey undoing?

Past continuous

Affirmative
  1. Iwas undoing
  2. youwere undoing
  3. he, she, itwas undoing
  4. wewere undoing
  5. youwere undoing
  6. theywere undoing
Negative
  1. Iwas not undoing
  2. youwere not undoing
  3. he, she, itwas not undoing
  4. wewere not undoing
  5. youwere not undoing
  6. theywere not undoing
Interrogative
  1. WasI undoing?
  2. Wereyou undoing?
  3. Washe, she, it undoing?
  4. Werewe undoing?
  5. Wereyou undoing?
  6. Werethey undoing?

Future continuous

Affirmative
  1. Iwill be undoing
  2. youwill be undoing
  3. he, she, itwill be undoing
  4. wewill be undoing
  5. youwill be undoing
  6. theywill be undoing
Negative
  1. Iwill not be undoing
  2. youwill not be undoing
  3. he, she, itwill not be undoing
  4. wewill not be undoing
  5. youwill not be undoing
  6. theywill not be undoing
Interrogative
  1. WillI be undoing?
  2. Willyou be undoing?
  3. Willhe, she, it be undoing?
  4. Willwe be undoing?
  5. Willyou be undoing?
  6. Willthey be undoing?

Future perfect continuous

Affirmative
  1. Iwill have been undoing
  2. youwill have been undoing
  3. he, she, itwill have been undoing
  4. wewill have been undoing
  5. youwill have been undoing
  6. theywill have been undoing
Negative
  1. Iwill not have been undoing
  2. youwill not have been undoing
  3. he, she, itwill not have been undoing
  4. wewill not have been undoing
  5. youwill not have been undoing
  6. theywill not have been undoing
Interrogative
  1. WillI have been undoing?
  2. Willyou have been undoing?
  3. Willhe, she, it have been undoing?
  4. Willwe have been undoing?
  5. Willyou have been undoing?
  6. Willthey have been undoing?

Present perfect continuous

Affirmative
  1. Ihave been undoing
  2. youhave been undoing
  3. he, she, ithas been undoing
  4. wehave been undoing
  5. youhave been undoing
  6. theyhave been undoing
Negative
  1. Ihave not been undoing
  2. youhave not been undoing
  3. he, she, ithas not been undoing
  4. wehave not been undoing
  5. youhave not been undoing
  6. theyhave not been undoing
Interrogative
  1. HaveI been undoing?
  2. Haveyou been undoing?
  3. Hashe, she, it been undoing?
  4. Havewe been undoing?
  5. Haveyou been undoing?
  6. Havethey been undoing?

Past perfect continuous

Affirmative
  1. Ihad been undoing
  2. youhad been undoing
  3. he, she, ithad been undoing
  4. wehad been undoing
  5. youhad been undoing
  6. theyhad been undoing
Negative
  1. Ihad not been undoing
  2. youhad not been undoing
  3. he, she, ithad not been undoing
  4. wehad not been undoing
  5. youhad not been undoing
  6. theyhad not been undoing
Interrogative
  1. HadI been undoing?
  2. Hadyou been undoing?
  3. Hadhe, she, it been undoing?
  4. Hadwe been undoing?
  5. Hadyou been undoing?
  6. Hadthey been undoing?

Present emphatic

Affirmative
  1. Ido undo
  2. youdo undo
  3. he, she, itdoes undo
  4. wedo undo
  5. youdo undo
  6. theydo undo

Past emphatic

Affirmative
  1. Idid undo
  2. youdid undo
  3. he, she, itdid undo
  4. wedid undo
  5. youdid undo
  6. theydid undo

Conditional

Present

Affirmative
  1. Iwould undo
  2. youwould undo
  3. he, she, itwould undo
  4. wewould undo
  5. youwould undo
  6. theywould undo
Negative
  1. Iwould not undo
  2. youwould not undo
  3. he, she, itwould not undo
  4. wewould not undo
  5. youwould not undo
  6. theywould not undo
Interrogative
  1. WouldI undo?
  2. Wouldyou undo?
  3. Wouldhe, she, it undo?
  4. Wouldwe undo?
  5. Wouldyou undo?
  6. Wouldthey undo?
Passive
  1. Iwould be undoed
  2. youwould be undoed
  3. he, she, itwould be undoed
  4. wewould be undoed
  5. youwould be undoed
  6. theywould be undoed

Perfect

Affirmative
  1. Iwould have undoed
  2. youwould have undoed
  3. he, she, itwould have undoed
  4. wewould have undoed
  5. youwould have undoed
  6. theywould have undoed
Negative
  1. Iwould not have undoed
  2. youwould not have undoed
  3. he, she, itwould not have undoed
  4. wewould not have undoed
  5. youwould not have undoed
  6. theywould not have undoed
Interrogative
  1. WouldI have undoed?
  2. Wouldyou have undoed?
  3. Wouldhe, she, it have undoed?
  4. Wouldwe have undoed?
  5. Wouldyou have undoed?
  6. Wouldthey have undoed?
Passive
  1. Iwould have been undoed
  2. youwould have been undoed
  3. he, she, itwould have been undoed
  4. wewould have been undoed
  5. youwould have been undoed
  6. theywould have been undoed

Present continuous

Affirmative
  1. Iwould be undoing
  2. youwould be undoing
  3. he, she, itwould be undoing
  4. wewould be undoing
  5. youwould be undoing
  6. theywould be undoing

Perfect continuous

Affirmative
  1. Iwould have been undoing
  2. youwould have been undoing
  3. he, she, itwould have been undoing
  4. wewould have been undoing
  5. youwould have been undoing
  6. theywould have been undoing

Imperative

Present

Affirmative
  1. I—
  2. youundo!
  3. he, she, it—
  4. welet's undo!
  5. youundo!
  6. they—
Negative
  1. I—
  2. youdon't undo!
  3. he, she, it—
  4. welet's not undo!
  5. youdon't undo!
  6. they—

Subjunctive

Present

Affirmative
  1. Iundo
  2. youundo
  3. he, she, itundo
  4. weundo
  5. youundo
  6. theyundo

Past

Affirmative
  1. Iundoed
  2. youundoed
  3. he, she, itundoed
  4. weundoed
  5. youundoed
  6. theyundoed

Past perfect

Affirmative
  1. Ihad undoed
  2. youhad undoed
  3. he, she, ithad undoed
  4. wehad undoed
  5. youhad undoed
  6. theyhad undoed

Future

Affirmative
  1. Ishould undo
  2. youshould undo
  3. he, she, itshould undo
  4. weshould undo
  5. youshould undo
  6. theyshould undo

Infinitive

Present

Affirmative
  1. (to) undo

Perfect

Affirmative
  1. (to) have undoed

Participle

Present

Affirmative
  1. undoing

Past

Affirmative
  1. undoed