OE verbs are traditionallt classified into three conjugations(дієвідміни)
-‘weak' (about 1/3 of individual occurrences)
-the 'productive' conjugation
-many formed by derivation
-‘strong' or 'vocalic (about 1/3)
-‘other' (generally very common verbs): about 1/3
anomalous verbs
'preterite-present' verbs
What's the relevance of OE strong verbs to PDE?
Some don't exist any more
Some OE strong verbs have become weak: help, seethe
Some OE strong verbs have persiste
