Assertion: verb's form | /r/CapableOf | form preterite
Facets:
Source sentences:
text: While primary verbs (those inherited from PIE) already had an ablaut-based perfect form that was the basis of the Germanic strong preterite, secondary verbs (those derived from other forms after the break-up of PIE) had to form a preterite otherwise, which necessitated the creation of the weak conjugation.