Most nouns ending in -o add -es to form the plural (with some exceptions like photo/photos).
Ago is regular. It follows the -es Addition rule.
Use plural verbs: "The agoes are ready" (not "is ready").
Yes. The plural agoes is standard across all English variants.
The word ago follows the standard English pluralization rule. When forming the plural, ago becomes agoes. This follows the -es Addition pattern, which is one of the most common plural rules in English.
Understanding why ago becomes agoes helps with spelling and pronunciation. Most nouns ending in -o add -es to form the plural (with some exceptions like photo/photos).
When using agoes in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The agoes are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.