History of english review questions and answers 2016
seven main classes, according to the vowel variation shown. Thus RIDE v., a Class I strong verb,
shows the following vowel gradation in its "principal parts", from which all of its other inflections
can be inferred:
1.infinitive: rdan
2.past tense singular: rd
3.past tense plural: ridon
4.past participle: (ge)riden
Similarly, the Class III strong verb BIND v. shows the following principal parts:
1.infinitive: bindan
2.past tense singular: band (or bond)
3.past tense plural: bundon
4.past participle: (ge)bunden
WEAK VERBS
The weak verbs form the past tense and past participle in a quite different way, using a suffix with a
vowel followed by -d-, which is the ancestor of the modern inflection in -ed (see `-ED' suffix¹).
Thuslufian LOVE v.¹ (a weak Class II verb) shows 1st and 3rd person past singular lufode.
Weak verbs often originated as derivative formations, and often preserve some aspect of this in their
annaabi.ee 
