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