English irregular verbs

This article includes a list of the irregular forms in common use. For a more complete list, see List of English irregular verbs.

The English language has a large number of irregular verbs, approaching 200 in normal use—and significantly more if prefixed forms are counted. In most cases, the irregularity concerns the past tense (also called preterite) or the past participle.

The other inflected parts of the verb—the third person singular present indicative in -[e]s, and the present participle and gerund form in -ing—are formed regularly in most cases. There are a few exceptions: the verb be has irregular forms throughout the present tense; the verbs have, do and say have irregular -[e]s forms; and certain defective verbs (such as the modal auxiliaries) lack most inflection.

The irregular verbs include many of the most common verbs: the dozen most frequently used English verbs are all irregular. New verbs (including loans from other languages, and nouns employed as verbs, such as to facebook) usually follow the regular inflection, unless they are compound formations from an existing irregular verb (such as housesit, from sit).

Irregular verbs in Modern English typically derive from verbs that followed more regular patterns at a previous stage in the history of the language. In particular, many such verbs derive from Germanic strong verbs, which make many of their inflected forms through vowel gradation, as can be observed in Modern English patterns such as sing–sang–sung. The regular verbs, on the other hand, with their preterites and past participles ending in -ed, follow the weak conjugation, which originally involved adding a dental consonant (-t or -d). Nonetheless, there are also many irregular verbs that follow or partially follow the weak conjugation.[1]

For information on the conjugation of regular verbs in English, as well as other points concerning verb usage, see English verbs.

Development

Most English irregular verbs are native, derived from verbs that existed in Old English. Nearly all verbs that have been borrowed into the language at a later stage have defaulted to the regular conjugation. There are a few exceptions, however, such as the verb catch (derived from Old Northern French cachier), whose irregular forms originated by way of analogy with native verbs such as teach.

Most irregular verbs exist as remnants of historical conjugation systems. When some grammatical rule became changed or disused, some verbs kept to the old pattern. For example, before the Great Vowel Shift, the verb keep (then pronounced "kehp") belonged to a group of verbs whose vowel was shortened in the past tense; this pattern is preserved in the modern past tense kept (similarly crept, wept, leapt, left). Verbs such as peep, which have similar form but arose after the Vowel Shift, take the regular -ed ending.

The force of analogy tends to reduce the number of irregular verbs over time, as irregular verbs switch to regular conjugation patterns (for instance, the verb chide once had the irregular past tense chid, but this has given way to the regular formation chided). This is more likely to occur with less common verbs (where the irregular forms are less familiar); hence it is often the more common verbs (such as be, have, take) that tend to remain irregular. Many verbs today have coexisting irregular and regular forms (as with spelt and spelled, dreamt and dreamed, etc.), a sign that the irregular form might be on the wane.

In a few cases, however, analogy has operated in the other direction (a verb's irregular forms arose by analogy with existing irregular verbs). This is the case with the example of catch given above; others include wear and string, which were originally weak verbs, but came to be conjugated like the similar-sounding strong verbs bear and swing.

The verb forms described in this article are chiefly those that are accepted in standard English; many regional dialects have different irregular forms. In particular, it is fairly common in some types of non-standard speech to use (standard) past tenses as past participles, and vice versa.

Groups

The irregular verbs of Modern English form several groups with similar conjugation pattern and historical origin. These can be broadly grouped into two classes – the Germanic weak and strong groups – although historically some verbs have moved between these groups. There are also a few anomalous cases: the verbs be and go, which demonstrate suppletion; the verb do; and the defective modal verbs.

Strong verbs

A large number of the irregular verbs derive from Germanic strong verbs, which display the vowel shift called ablaut, and do not add an ending such as -ed or -t for the past forms. These sometimes retain past participles with the ending -[e]n, as in give–gave–given and ride–rode–ridden, but in other cases this ending has been dropped, as in come–came–come and sing–sang–sung. This verb group was inherited from the parent Proto-Germanic language, and before that from the Proto-Indo-European language. It was originally a system of regular verbs, and in Old English and modern German the system remains more or less regular; however in Modern English relatively few verbs continue to follow such a pattern, and they are classed as irregular.

Verbs that retain a strong-type inflection in modern English and add -[e]n in the past participle include bear, beat, beget, bite, blow, break, choose, cleave, draw, drive, eat, fall, fly, forbid, forget, forsake, freeze, give, grow, know, lie, ride, rise, see, shake, shear, slay, smite, speak, steal, stride, strive, swear, take, tear, throw, tread, wake, weave, and write.

Those that do not add -[e]n in the usual past participle include become, begin, bind, burst, cling, come, drink, fight, find, fling, get (but with past participle gotten in American English), grind, hang, hold, let, ring, run, shed, shine, shit, shoot, shrink, sing, sink, sit, slide, sling, slink, slit, spin, spring, stand, sting, stink, strike, swim, swing, win, wind and wring.

The verbs sow and swell are now usually regular in the past tense, but retain the strong-type past participles sown and swollen. Other verbs retain participles in -n for certain adjectival uses, such as drunken and sunken. The verb crow is now regular in the past participle, but the strong past tense crew is sometimes used.

Some originally weak verbs have taken on strong-type forms by analogy with strong verbs. These include dig, dive (when dove is used as the past tense), hide, mow, prove (when proven is used as the past participle), saw (past participle sawn), sew (past participle sewn), show (past participle shown), spit, stick, strew, string, and wear (analogy with bear).

For indication of the groups of strong verbs the listed words belong to, see the table at List of English irregular verbs.

Weak verbs

Some other irregular verbs derive from Germanic weak verbs, forming past tenses and participles with a -d or -t ending (or from originally strong verbs that have switched to the weak pattern). The weak conjugation is also the origin of the regular verbs in -ed; however various historical sound changes (and sometimes spelling changes) have led to certain types of irregularity in some verbs. The main processes are as follows (some verbs have been subject to more than one of these).[2]

The irregular weak verbs (being in normal use) can consequently be grouped as follows:

For weak verbs that have adopted strong-type past tense or past participle forms, see the section above on strong verbs. More information on the development of some of the listed verbs can be found at List of irregular verbs.

Anomalous cases

The following verbs do not fit exactly into any of the above categories:

Verbs with irregular present tenses

Apart from the modal verbs, which are irregular in that they do not take an -s in the third person (see above), the only verbs with irregular present tense forms are be, do, have and say (and prefixed forms of these, such as undo and gainsay, which conjugate in the same way as the basic forms).

The verb be has multiple irregular forms. In the present indicative it has am in the first person singular, is in the third person singular, and are in the plural and second person singular. (Its present subjunctive is be, as in "I suggest that you be extremely careful.") It also has two past tense forms: was for the first and third persons singular, and were for the plural and second person singular (although there are certain subjunctive uses in which were can substitute for was). The past participle is been, and the present participle and gerund forms are regular: being. For more details see Indo-European copula.

As mentioned above, apart from its other irregularities, the verb do has the third person present indicative does pronounced with a short vowel: /dʌz/.

The verb have has a contracted third person present indicative form: has /hæz/ (weak pronunciation /həz/). This is formed similarly to the verb's past tense had.

The verb say displays vowel shortening in the third person present indicative (although the spelling is regular): says /sɛz/. The same shortening occurs in the past form said /sɛd/. (Compare the diphthong in the plain form say /seɪ/.)

For shortened forms of certain verbs and of their negations ('s, 're, won't, etc.), see English auxiliaries and contractions.

Coincident forms

In regular English verbs, the past tense and past participle have the same form. This is also true of most irregular verbs that follow a variation of the weak conjugation, as can be seen in the list below. Differences between the past tense and past participle (as in sing–sang–sung, rise–rose–risen) generally appear in the case of verbs that continue the strong conjugation, or in a few cases weak verbs that have acquired strong-type forms by analogy—as with show (regular past tense showed, strong-type past participle shown). However, even some strong verbs have identical past tense and participle, as in cling–clung–clung.

In some verbs, the past tense, past participle, or both are identical in form to the basic (infinitive) form of the verb. This is the case with certain strong verbs, where historical sound changes have led to a leveling of the vowel modifications: for example, let has both past tense and past participle identical to the infinitive, while come has the past participle identical (but a different past tense, came). The same is true of the verbs listed above under § Weak verbs as having undergone coalescence of final consonants (and without other irregularities such as vowel shortening or devoicing of the ending): bet, bid, etc. (these verbs have infinitive, past tense and past participle all identical, although some of them also have alternative regular forms in -ed). The verb read has the same spelling in all three forms, but not the same pronunciation, as it exhibits vowel shortening.

In a few cases the past tense of an irregular verb has the same form as the infinitive of a different verb. For example, bore and found may be past tenses of bear and find, but may also represent independent (regular) verbs of different meaning. Another example is lay, which may be the past tense of lie, but is also an independent verb (regular in pronunciation, but with irregular spelling: lay–laid–laid). In fact lay derives from a causative of the verb from which lie derives. The two verbs are sometimes confused, with lay used in the intransitive senses prescriptively reserved for lie.

Prefixed verbs

Nearly all of the basic irregular verbs are single-syllable words. (Their irregular inflected forms are normally single-syllable also, except for the past participles in -en like chosen and risen.) However many additional irregular verbs are formed by adding prefixes to the basic ones: understand from stand, become from come, mistake from take, and so on. (These prefixed forms are generally omitted from the list below, but a large number appear in the table at List of English irregular verbs.) As a general rule, prefixed verbs are conjugated identically to the corresponding basic verbs; for example, we have understand–understood–understood and become–became–become, following the patterns of stand–stood–stood and come–came–come. However, there are occasional differences: in British English, for instance, the past participle of get is got, while that of forget is forgotten.

Only a few irregular verbs of more than one syllable cannot be analyzed as prefixed compounds of monosyllables. The only ones in normal use are begin–began–begun and forsake–forsook–forsaken (these both derive from prefixed verbs whose unprefixed forms have not survived into Modern English). There is also beseech–besought–besought (this is from Old English besēcan "to seek or inquire about", making it equivalent to be- + seek, but it has moved away from seek in both form and meaning); however the form besought is now archaic, the verb normally being conjugated regularly (beseeched).

List

The following is a list of the irregular verbs that generally occur in standard modern English. It omits many rare, dialectal, and archaic forms, as well as most verbs formed by adding prefixes to basic verbs (unbend, understand, mistake, etc.). It also omits past participle forms that remain in use only adjectivally (clad, sodden, etc.). For a more complete list, with derivations, see List of English irregular verbs. Further information, including pronunciation, can be found in Wiktionary. The list that follows shows the base, or infinitive form, the past tense and the past participle of the verb.

In language acquisition

Steven Pinker's book Words and Rules describes how mistakes made by children in learning irregular verbs throw light on the mental processes involved in language acquisition. The fact that young children often attempt to conjugate irregular verbs according to regular patterns indicates that their processing of the language involves the application of rules to produce new forms, in addition to the simple reproduction of forms that they have already heard.

See also Regular and irregular verbs § Linguistic study.

References

  1. ↑ Algeo, John; Pyles, Thomas (2009). The Origins and Development of the English Language. Cengage Learning. p. 171. ISBN 9781428231450. Retrieved 7 February 2013.
  2. ↑ These processes are described in Oxford English Dictionary, Second Edition, entry for "-ed".
  3. ↑ The conditions under which this and other instances of long and short vowel alternation arose in English are not fully understood. See for example Minkova D., Stockwell R.P., The origins of long-short allomorphy in English, in: Advances in English Historical Linguistics, Fisiak, Krygier (eds.), de Gruyter, 1998.
  4. ↑ For example, forecasted is acceptable as the past participle and past simple of the verb forecast, especially in some technical meanings. See www.usingenglish.com

External links

Look up Appendix:Irregular verbs:English in Wiktionary, the free dictionary.
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