Strong and Odd Verbs

Old English Grammar 1

Chapter 9 · Strong and Odd Verbs

💪 Strong and Odd Verbs

Chapter 8 covered the verbs that add an ending to make the past. This chapter covers the ones that change their vowel (strong verbs) and the small group of verbs that behave oddly, which includes "to be", "to do", "to go" and "to want". Many of them became the irregular verbs of Modern English. Facts come from the Verbs section of Wikipedia's Old English grammar article and, for one example, from the article Germanic strong verb.

The rule in one box A strong verb makes its past tense by changing the stem vowel (ablaut), with seven classes. The preterite-present verbs have a present tense that looks like a strong past. A handful of anomalous verbs (bēon/wesan, dōn, gān, willan) have forms of their own.

Strong verbs

The article says strong verbs form the past by changing the stem vowel. They have two past stems: the "first past" is used for the first and third person singular, and the "second past" for the second person singular, all plurals, and the past subjunctive. They also show i-mutation in the second and third person singular present.

The seven classes

The article defines each class by the infinitive stem:

ClassInfinitive stem (per the article)
1ī + one consonant
2ēo or ū + one consonant
3originally e + two consonants; in Old English usually short e + l and a consonant, eo + r and a consonant, i + a nasal and a consonant, or ie + l and a consonant
4e + one consonant, usually l or r (includes brecan "to break")
5e + one consonant, usually a stop or fricative
6a + one consonant
7other; always a heavy root syllable, almost always without umlaut (for example ō, ā, ēa)
What I could not give you The article's principal-parts table (which vowel each class takes in the past and the past participle) came out misaligned, with many cells missing, and the article gives model verbs only for a few classes. So this chapter does not list the vowel pattern of each class. Look it up in a printed grammar. What the article does show in full is one verb from Class 4, below.

A model conjugation: stelan "to steal"

SingularPlural
Present indicative1st stele · 2nd stilst · 3rd stilþstelaþ
Past indicative1st stæl · 2nd stǣle · 3rd stælstǣlon
Present subjunctivestelestelen
Past subjunctivestǣlestǣlen
Imperativestelstelaþ
Infinitivestelan, (tō) stelanne
Participlespresent stelende · past (ġe)stolen
  • Ablaut: the stem vowel is e in the present, æ in the first past, ǣ in the second past and o in the participle. That is what "strong" means: the change is in the stem, not in a suffix.
  • i-mutation: the second and third person present stilst, stilþ have i where the rest of the present has e.
  • Past singular without ending: the first and third person past (stæl) have no ending at all.

A second model: bēodan "to offer"

The Germanic strong verb article gives a Class 2 verb with its principal parts: bēodan (infinitive), bīett (present third person singular), bēad (past singular), budon (past plural) and (ġe)boden (past participle). It cites English "bid" as the cognate. The same article lists Modern English examples of vowel-changing verbs: sing, sang, sung and drive, drove, driven.

Strong verbs in Modern English The ablaut in sing, sang, sung is the same kind of change. Which Old English class a particular Modern English verb comes from is not covered in the text I read, so I give no verb-by-verb matches.

Preterite-present verbs

These verbs use what looks like a strong past tense as their present tense. The article lists twelve, grouped in four classes, with these glosses:

VerbMeaningParticiples (per the article)
āganto ownāgende; (ġe)āgen
durranto daredurrende; (ġe)dorren
mōtanmay, to be allowed tomōtende; (ġe)mōten
witanto know (a fact)witende; (ġe)witen
cunnanto know (how to)cunnende; (ġe)cunnen, (ġe)cūþ
ġemunanto rememberġemunende; ġemunen
unnanto grantunnende; (ġe)unnen
duganto work with, availdugende; (ġe)dugen
ġenuganto suffice, be enoughġenugende; ġenugen
magancan, be able tomæġende; (ġe)mæġen
sċulanshould, mustsċuldende; (ġe)sċulen
þurfanto needþurfende; (ġe)þurfen
  • The article's table prints the present singular and plural, and the past, only as stems (for example wāt- against wit- for witan, and sċeal- against sċul- for sċulan). The cells were not reliably aligned, so I give only the stems the table shows for the present: singular stems āh-, dearr-, mōt-, wāt-, cann-, ann-, deah-, mæg-, sċeal-, þearf- and plural stems āg-, durr-, mōt-, wit-, cunn-, unn-, dug-, mag-, sċul-, þurf-. Which stem belongs to which person is as the article prints it.
  • The pattern to notice: the singular stem differs from the plural stem, as in a strong verb's past tense, which is why these are called "preterite-presents".
  • The Modern English modals can, may, must, shall descend from this group. That link is my own background knowledge, not a claim in the text I read.

The anomalous verbs

The article treats bēon and wesan as the two verbs for "to be", plus dōn "to do", gān "to go" and willan "to want".

Present indicative

bēonwesandōngānwillan
1st sg.bēoeomdōgāwille
2nd sg.bisteartdēstgǣstwilt
3rd sg.biþisdēþgǣþwile
pluralbēoþsinddōþgāþwillaþ

Past indicative

wesandōngānwillan
1st sg.wæsdydeēodewolde
2nd sg.wǣredydestēodestwoldest
3rd sg.wæsdydeēodewolde
pluralwǣrondydonēodonwoldon
  • Subjunctive: present bēo / bēon, sīe / sīen, dō / dōn, gā / gān, wille / willen (singular / plural); past wǣre / wǣren, dyde / dyden, ēode / ēoden, wolde / wolden.
  • Imperative: bēo / bēoþ, wes / wesaþ, dō / dōþ, gā / gāþ, wille / willaþ.
  • Participles: present bēonde, wesende, dōnde, gānde, willende; past (ġe)bēon, (ġe)dōn, (ġe)gān.
  • Two verbs for "to be": the article's table gives bēo, bist, biþ, bēoþ and eom, eart, is, sind side by side, and no past tense for bēon; the past comes from wesan. That the past is borrowed in this way is my reading of the blank cells in the table, so treat it as a likely but unconfirmed point.
The same oddities in Modern English Modern English "to be" is also made from several roots (am, is, are, was, been) and "go" has a past went from a different verb. That these mirror the Old English patterns above is my observation; I did not read a source tracing them.

📋 Quick Reference

TypeHow the past is madeExample
StrongVowel change; first past (1st, 3rd sg.) and second past (2nd sg., plural)stelan: stæl, stǣlon, (ġe)stolen
Preterite-presentPresent singular looks like a strong pastmagan, sċulan, witan
AnomalousIts own formsdōn: dyde · gān: ēode · willan: wolde

✏️ Try It Yourself

Say the answer first, then click to check.

1. What defines a strong verb, and how many classes are there?

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It forms its past by changing the stem vowel (ablaut). There are seven classes.

2. For stelan, which past stem is used for the first and third singular, and which for the second singular and the plural?

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First past stæl for first and third singular; second past stǣle (2nd sg.) and stǣlon (plural).

3. Give the present second and third person singular of stelan. What is unusual about the vowel?

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stilst and stilþ: i-mutation changes e to i in these two persons.

4. What is the past participle of stelan and of bēodan?

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(ġe)stolen and (ġe)boden.

5. What makes a verb "preterite-present"?

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Its present tense forms look like a strong-verb past: the singular and plural present stems differ (sċeal- against sċul-).

6. Give the meanings of witan and cunnan. What is the difference?

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witan "to know (a fact)" and cunnan "to know (how to)", as the article glosses them.

7. Give the present singular and plural of wesan "to be".

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eom, eart, is and sind.

8. Give the past 1st and 3rd singular of dōn, gān and willan.

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dyde, ēode and wolde.

9. Which verb supplies the past of "to be" in the article's tables, and what do you notice about bēon?

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wesan (wæs, wǣre, wǣron); the article's table gives no past for bēon.

10. The imperative of gān is gā (singular) and gāþ (plural). How do you say "Go!" to two people?

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Gāþ! (the plural imperative).

Note on sources This chapter uses the Verbs section of Wikipedia's Old English grammar article (first 100,000 of 131,435 characters read), plus the Germanic strong verb article (first 100,000 of 298,583 characters) for the bēodan example and the Modern English comparisons. The strong-verb principal-parts table and the preterite-present table were misaligned in what I read, so the chapter says what it leaves out. Verner's law is not mentioned in the Old English article text I read, so it is not covered. The Modern English modals link, the "to be" remark and the "same oddities" tip are mine, and the chapter marks them as mine.
Coming up in Chapter 10: Putting It Together. Verb-second word order, questions, negation, relative clauses, and a procedure for analysing a whole sentence. Course Complete.