2 s to es
es 1 ostrich, 2 ostriches
es es
1. as far as the verbs ending in O are concerned, (only 2: goes, does) the reason is simply historical; 2. the rest of the ES have a phonetic explanation: the S would be unpronounceable (e.g. "watchs" is not possible, it has to become "watches").
An 's'. Trees.
s
You end it with an es. "Heroes".
Yes. Es (noun) letter S.
It depends on the word. Most words ending in "th" simply add an "s" to form the plural (e.g., "mouths"), while a few words add "es" (e.g., "baths"). It's best to consult a dictionary if you are unsure about a specific word.
Yes, you can select either 2/4wd
To form the plural of words ending in 's', you add '-es'. Princess, princesses.
You have to use es in a word when the second last letter is a vowel and if it is a consonant use s