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Conjugation of the verb "to sum"

Semi-regular verb (spelling: doubled consonant)

to

sum

Indicative

Present

Affirmative
  1. Isum
  2. yousum
  3. he, she, itsums
  4. wesum
  5. yousum
  6. theysum
Negative
  1. Ido not sum
  2. youdo not sum
  3. he, she, itdoes not sum
  4. wedo not sum
  5. youdo not sum
  6. theydo not sum
Interrogative
  1. DoI sum?
  2. Doyou sum?
  3. Doeshe, she, it sum?
  4. Dowe sum?
  5. Doyou sum?
  6. Dothey sum?
Passive
  1. Iam summed
  2. youare summed
  3. he, she, itis summed
  4. weare summed
  5. youare summed
  6. theyare summed

Simple past

Affirmative
  1. Isummed
  2. yousummed
  3. he, she, itsummed
  4. wesummed
  5. yousummed
  6. theysummed
Negative
  1. Idid not sum
  2. youdid not sum
  3. he, she, itdid not sum
  4. wedid not sum
  5. youdid not sum
  6. theydid not sum
Interrogative
  1. DidI sum?
  2. Didyou sum?
  3. Didhe, she, it sum?
  4. Didwe sum?
  5. Didyou sum?
  6. Didthey sum?
Passive
  1. Iwas summed
  2. youwere summed
  3. he, she, itwas summed
  4. wewere summed
  5. youwere summed
  6. theywere summed

Future

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

Present perfect

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

Past perfect

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

Future perfect

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

Present continuous

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

Past continuous

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

Future continuous

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

Future perfect continuous

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

Present perfect continuous

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

Past perfect continuous

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

Present emphatic

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

Past emphatic

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

Conditional

Present

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

Perfect

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

Present continuous

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

Perfect continuous

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

Imperative

Present

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

Subjunctive

Present

Affirmative
  1. Isum
  2. yousum
  3. he, she, itsum
  4. wesum
  5. yousum
  6. theysum

Past

Affirmative
  1. Isummed
  2. yousummed
  3. he, she, itsummed
  4. wesummed
  5. yousummed
  6. theysummed

Past perfect

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

Future

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

Infinitive

Present

Affirmative
  1. (to) sum

Perfect

Affirmative
  1. (to) have summed

Participle

Present

Affirmative
  1. summing

Past

Affirmative
  1. summed