Answers

2016-06-14T18:21:14+08:00
To make regular nouns plural, add ‑s to the end.
If the singular noun ends in ‑s, add ‑es to the end to pluralize it.
If the noun ends with ‑f or ‑fe, the f is often changed to ‑ve.
If the singular noun ends in ‑y, change the ending to ‑ies.
If the singular noun ends in ‑o, add ‑es to make it plural.
If the singular noun ends in ‑us, the plural ending is frequently ‑i.
If the singular noun ends in ‑is, the plural ending is ‑es.
If the singular noun ends in ‑on, the plural ending is ‑a.
Irregular nouns should be checked in the dictionary because they follow no specific rules.
Some nouns don’t change at all when they’re pluralized.

I think that's all.


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