The word 'illness' is a noun, a singular, common, abstract noun; a word for a disease or period of sickness affecting the body or mind.
The plural form for the noun illness is illnesses.
No. Headmasters would be a plural noun.
The plural form of "flesh" is typically "fleshes." For example, you might say, "She witnessed the fleshes of different animals at the butcher shop."
it doesn't have a plural because it is not a noun if it were a noun its plural would be moos
The correct word is likely one of these : PNEUMONIA (noun) - an illness marked by fluid in the lungs PHENOMENA (plural noun) - unusual occurrences, plural of phenomenon
I'll is a contraction of two parts of speech, I and will. I is a pronoun, and will is a verb.
'es is not used to make the word fox into a singular possessive noun, rather you should add 's to fox to do so. If you add the suffix -es to fox, it would then make the word plural, and if you add a ' to the end of foxes, it would make the word possessive. fox = singular noun fox's = singular possessive noun foxes = plural noun foxes' = plural possessive noun
The plural form for the noun boy is boys.
The plural form for the noun day is days.
It can be, especially the plural (e.g. the ills of society). Ill is usually an adjective, or more rarely an adverb. The noun is "illness."
The noun 'women' is the irregular plural form. The singular noun is woman.
He is a singular noun. They would be plural.
Library is a singular noun. For it to be plural, it would be libraries.