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Conjugation of the verb "to understudy"

Semi-regular verb (spelling: -y → -ies)

to

understudy

Indicative

Present

Affirmative
  1. Iunderstudy
  2. youunderstudy
  3. he, she, itunderstudies
  4. weunderstudy
  5. youunderstudy
  6. theyunderstudy
Negative
  1. Ido not understudy
  2. youdo not understudy
  3. he, she, itdoes not understudy
  4. wedo not understudy
  5. youdo not understudy
  6. theydo not understudy
Interrogative
  1. DoI understudy?
  2. Doyou understudy?
  3. Doeshe, she, it understudy?
  4. Dowe understudy?
  5. Doyou understudy?
  6. Dothey understudy?
Passive
  1. Iam understudied
  2. youare understudied
  3. he, she, itis understudied
  4. weare understudied
  5. youare understudied
  6. theyare understudied

Simple past

Affirmative
  1. Iunderstudied
  2. youunderstudied
  3. he, she, itunderstudied
  4. weunderstudied
  5. youunderstudied
  6. theyunderstudied
Negative
  1. Idid not understudy
  2. youdid not understudy
  3. he, she, itdid not understudy
  4. wedid not understudy
  5. youdid not understudy
  6. theydid not understudy
Interrogative
  1. DidI understudy?
  2. Didyou understudy?
  3. Didhe, she, it understudy?
  4. Didwe understudy?
  5. Didyou understudy?
  6. Didthey understudy?
Passive
  1. Iwas understudied
  2. youwere understudied
  3. he, she, itwas understudied
  4. wewere understudied
  5. youwere understudied
  6. theywere understudied

Future

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

Present perfect

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

Past perfect

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

Future perfect

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

Present continuous

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

Past continuous

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

Future continuous

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

Future perfect continuous

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

Present perfect continuous

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

Past perfect continuous

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

Present emphatic

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

Past emphatic

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

Conditional

Present

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

Perfect

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

Present continuous

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

Perfect continuous

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

Imperative

Present

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

Subjunctive

Present

Affirmative
  1. Iunderstudy
  2. youunderstudy
  3. he, she, itunderstudy
  4. weunderstudy
  5. youunderstudy
  6. theyunderstudy

Past

Affirmative
  1. Iunderstudied
  2. youunderstudied
  3. he, she, itunderstudied
  4. weunderstudied
  5. youunderstudied
  6. theyunderstudied

Past perfect

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

Future

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

Infinitive

Present

Affirmative
  1. (to) understudy

Perfect

Affirmative
  1. (to) have understudied

Participle

Present

Affirmative
  1. understudying

Past

Affirmative
  1. understudied