Past tense of sum
regular verb
The past tense of sum is summed. The past participle is also summed.
Forms of sum
| Base form (V1) | sum /sʌm/ |
|---|---|
| Past tense (V2) | summed |
| Past participle (V3) | summed |
| Present participle | summing |
| Third person singular | sums /sʌmz/ |
Summed in a sentence
- He summed the whole thing up in a way that I couldn't possibly better.From the entry better
- We summed up the donations and found that we had just enough to pay the bills.From the entry sum up
- The winners’ votes were summed across all okruhs within each oblast.2014, Robert S[acha] Kravchuk, Victor Chudowsky, “Ukraine’s 1994 Elections as an Economic Event”, in Paul D’Anieri, Taras Kuzio, editors…. From the entry okruh
- The cakes were summed up by my mother, her upper lip moustachioed with cream.2006, Martin Booth, Golden Boy: Memories of a Hong Kong Childhood, →ISBN. From the entry moustachio
- Hangchow cuisine can be summed up with the phrase "southern ingredients, northern style" (南菜北烹).2001 September 28, Sen-lun Yu, “Restaurant of the week: Tien Hsiang Lo (天香樓)”, in Taipei Times, →ISSN, →OCLC, archived from the original…. From the entry West Lake
Meaning of sum
- noun A quantity obtained by addition or aggregation.
- noun An arithmetic computation, especially one posed to a student as an exercise (not necessarily limited to addition).
- noun A quantity of money.
Questions about the past tense of sum
- What is the past tense of sum?
- The past tense of sum is summed.
- What is the past participle of sum?
- The past participle of sum is summed.
- Is sum a regular or irregular verb?
- Sum is a regular verb: its past tense doubles the last letter and adds -ed.
Source and license
Adapted from Wiktionary: sum (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
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Cite this page: “Past tense of sum.” Word.ws, https://word.ws/past-tense/sum. Based on Wiktionary, CC BY-SA 4.0.