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