This noun follows the standard English plural rule: simply add -s to the singular form.
Extended is regular. It follows the Standard -s rule.
Use plural verbs: "The extendeds are ready" (not "is ready").
Yes. The plural extendeds is standard across all English variants.
The word extended follows the standard English pluralization rule. When forming the plural, extended becomes extendeds. This follows the Standard -s pattern, which is one of the most common plural rules in English.
Understanding why extended becomes extendeds helps with spelling and pronunciation. This noun follows the standard English plural rule: simply add -s to the singular form.
When using extendeds in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The extendeds are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.