Originally, the rule used to be that the f was always changes to a v, e.g. knife - knives and hoof - hooves. There is no longer any hard and fast rule. Roofs can be roofs or rooves (though you don't usually see the latter any more). Chief and chef always seem to be chiefsand chefs.
it ends in es
we don't really know but if u do ANSWER IT
The plural form of trochlea is trochleae. If a singular word ends in an "a" then add an "e" at the end to make it plural.
Singular form: el estudiante Plural form: los estudiantes To make the plural form of a masculine noun, simply add an "s" to the singular form if the noun ends in a vowel (a,e,i,o,u) if it ends in a consonant add "es". Singular form: el color plural form: los colores Articles need to agree in number and gender with nouns so you will need to change the article too from singular to plural. Masculine singular: el Masculine plural: los
For words that end in O, add either s or es.
Potato - potatoes Tomato - tomatoes Tomatatillo - tomatilloes
Vita is singular. The plural form of vita is vitae
It is singular. The plural is ellipses.
"Is" is the singular form of the verb "to be," used with singular subjects. "Are" is the plural form used with plural subjects.
This is singular. These is the plural form.
'These' is the plural form of 'this'.
The singular form is Dennis. The plural form is Dennises.