Strong Verb, Class 4, vowel gradation e, æ, æ, o (i.e., Infinitive, First Preterit, Second Preterit, Past Participle)
Examples:
beran, bær, bæron, (ge)boren
tobrecan, tobræc, tobræcon, tobrocen
gesceran, gescær / gescer, gescæron, gescoren
Variants with high frequency:
cuman, com / cwom, comon / cwomon, (ge)cumen
niman, nam, namon, (ge)numen