A selection of Old English weak verbs. The infinitve is given as the "question". The answer lists: the Class (and subclass) English translation 1st, 2nd 3rd pers. sg. present Pret. sg. Past Part. imperative sg. I have included more than the principle parts as the present singular and imperative can be quite tricky sometimes.
trymman
wv Ia
strengthen
trymme
trymest
trymeþ
trymede
trymed
tryme
hlynnan
wv Ia
resound
hlynne
hlynest
hlyneþ
hlynede
hlyned
hlyne
cnyssan
wv Ia
press
cnysse
cnysest
cnyseþ
cnysede
cnysed
cnyse
fremman
wv Ia
perform
fremme
fremest
fremeþ
fremede
fremed
freme