Assertion: plural | /r/HasProperty | formed
Facets:
value: sometimes
type: TEMPORAL
value: from the singular
type: OTHER
Source sentences:
text: The plurals of a few nouns are formed from the singular by adding -n or -en, stemming from the Old English weak declension.
text: The plural is sometimes formed by simply changing the vowel sound of the singular (these are sometimes called mutated plurals):