The noun artist's is the singular possessiveform (a noun belongs to the artist, one artist).
example: The artist's paintings were displayed in the library.
The plural possessive form is artists' (a noun belongs to more than one artist).
example: You can buy directly from the artists at the artists' cooperative.
Singular Plural is caterpillars
Steroids is plural. The singular form of the word is steroid.
The word crisis is singular. The plural form of crisis is crises.
its singular there is no plural form of rendezvous
Association is singular. Associations is plural.
The word team is singular; the plural form is teams.
These is plural, this is singular
Lance is singular. Lances is plural.
The word 'Phenomenon' is singular. The plural form is 'Phenomena'.
The word metastasis is singular, metastases is plural.
The word "ground" can be both singular and plural. Singular: "The ground is wet." Plural: "The grounds of the park are well-maintained."
Louse is singular. The plural form is lice.
Yes, the noun 'artists' is a common noun, the plural form of the singular noun 'artist'; a general word for someone who works in creative arts; a word for any artists of any kind.
No, the word "list" is singular. The plural form of "list" is "lists."
It's singular. The plural is cafeterias.
Verbs cannot be singular or plural. Has is after singular nouns.
Tool is singular. Tools is plural.