The plural form of the noun island is islands.The plural possessive form is islands'.example: These islands' natural beauty hasn't yet been spoiled by construction.
valleys
The plural form of the demonstrative pronoun 'that' is those.
The plural form of rung is rungs.
The plural form of parenthesis is parentheses.
Identify is a verb and has no plural form. The corresponding noun is identification, the plural form of which is identifications.
The plural form of the noun island is islands.The plural possessive form is islands'.example: These islands' natural beauty hasn't yet been spoiled by construction.
The plural form of habitat is habitats, e.g. "There are many different habitats on that island."
The noun Disko is a proper noun, the name of an island on the west coast of Greenland. There is only one island by this name so there is no plural form.
The plural form for the noun athlete is athletes.The plural possessive form is athletes'.Example: We raised the money to pay for the athletes' uniforms.
valleys
Bridges is the plural form of bridge.
"Beliefs" does not have a plural form, as it is already plural. Beliefs is the plural form of belief.
There is no plural form for the word, countries. This word itself is a plural.
"Groceries" is the plural form of "grocery."
The plural form of "meter" is "meters."
The word "this" cannot be pluralised.