Plural Nouns That End In Es. Some end in es or change the y to i and add es, but as always in the English. Students learn this at an early level, and while it's a fairly straightforward rule, there are some tricky exceptions such as irregular plural forms (but that's a.

Here's a guide to plural forms for Latin words, identifying, for more than a hundred nouns of Latin origin and a few similarly constructed terms from.
They take a singular verb with an s ending in the Present Simple. diseases: measles, rabies. fields of.
So The important thing to remember is that for this irregular plural, this e n ending, really, unless you work with oxen, or unless you are leading some sort of old-timey folk revival where you have to refer to brethren. When indicating the possessive, if there is more than one owner add an apostrophe to the plural; if there is one owner, add 's to the singular (The Smiths' car vs. The suffix -s will be added to: a) those nouns whose final -o is precedeed by a vowel: eg. bamboo-bamboos cuckoo-cuckoos embryo-embryos kangoroo-kangoroos.