The word 'mucous' is an adjective, it has no plural form.
The noun 'mucus' is an uncountable (mass) noun as a word for a substance.
The word beads is a plural noun. The singular is bead.
The word whims is a plural noun. The singular is whim.
The word tree is a singular noun. The plural would be trees.
The word apple is a singular noun. The plural would be apples.
The word prefixes is a plural noun. The singular form is prefix.
The word team is singular; the plural form is teams.
These is plural, this is singular
if a word refers to a single item it is singular. if it refers to lots of things it is plural."Potato" is singular "potatoes" is a plural word."mouse" is singular, "mice" is a plural word."person" is singular, "people" is a plural word.
The word "she" is singular, used to refer to one female person. It is the third-person singular pronoun for females.
The word "have" is a verb that can be used in both singular and plural contexts. In singular form, it can represent a single entity possessing something. In plural form, it can indicate multiple entities possessing something.
The word metastasis is singular, metastases is plural.
No, the word "list" is singular. The plural form of "list" is "lists."
Caveman is singular. Cavemen is plural.
It's singular. The plural is cafeterias.
Verbs cannot be singular or plural. Has is after singular nouns.
Tool is singular. Tools is plural.
Both singular and plural.