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