Primitive Intransitive Form.Derived Transitive Form.
Rise Raise.
Lie Lay.
Sit Set.
Fall Fell.
Drink Drench.

In Anglo-Saxon these words were more numerous than they are at present.

Intrans. Infinitive.Trans. Infinitive.
Yrnan, to runÆrnan, to make to run.
Byrnan, to burnBærnan, to make to burn.
Drincan, to drinkDrencan, to drench.
Sincan, to sinkSencan, to make to sink.
Liegan, to lieLecgan, to lay.
Sittan, to sitSettan, to set.
Drífan, to driftDræfan, to drive.
Fëallan, to fallFyllan, to fell.
Wëallan, to boilWyllan, to make to boil.
Flëogan, to flyA-fligan, to put to flight.
Bëogan, to bowBígan, to bend.
Faran, to goFeran, to convey.
Wacan, to wakeWeccan, to waken.

All these intransitives form their præterite by a change of vowel; as sink, sank; all the transitives by the addition of d or t, as sell, sell'd.

III. Verbs derived from nouns by a change of accent; as to survéy, from a súrvey.

Nouns.Verbs.Nouns.Verbs.
Ábsentabsént.Éxtractextráct.
Ábstractabstráct.Férmentfermént.
Áccentaccént.Fréquentfrequént.
Áffixaffíx.Ímportimpórt.
Aúgmentaugmént.Íncenseincénse.
Cólleaguecolléague.Ínsultinsúlt.
Cómpactcompáct.Óbjectobjéct.
Cómpoundcompóund.Pérfumeperfúme.
Cómpresscompréss.Pérmitpermít.
Cóncertconcért.Préfixprefíx.
Cóncreteconcréte.Prémisepremíse.
Cónductcondúct.Présagepreságe.
Cónfineconfíne.Présentpresént.
Cónflictconflíct.Próduceprodúce.
Cónserveconsérve.Prójectprojéct.
Cónsortconsórt.Prótestprotést.
Cóntractcontráct.Rébelrebél.
Cóntrastcontrást.Récordrecórd.
Cónverseconvérse.Réfuserefúse.
Cónvertconvért.Súbjectsubjéct.
Déscantdescánt.Súrveysurvéy.
Désertdesért.Tórmenttormént.
Dígestdigést.Tránsfertransfér.
Éssayessáy.Tránsport transpórt.

Walker attributes the change of accent to the influence of the participial termination -ing. All words thus affected are of foreign origin.

IV. Verbs formed from nouns by changing a final sharp consonant into its corresponding flat one; as,