The plural of briefcase is briefcases
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.
The plural of "she" is "they", so the plural of "she had" is "they had".
There is no plural form of pupae. Pupae is the plural form of pupa.
briefcases
Client's is the correct spelling for the singular form, e.g. "That is my client's briefcase." Clients' is the correct punctuation for the plural form, e.g. "Those are my clients' briefcases."
The possessive form of the singular noun briefcase is briefcase's.example: My briefcase's strap is broken.
Executive's. The executive's briefcase is black.
It depends on how you are using the word. If you are talking about wings, meaning more than one wing, then there is no apostrophe. Most words are made plural simply by adding the letter s. Using the apostrophe is a possessive form, or it can be a contraction.Apple. One apple.Apples. More than one apple.John's briefcase. The briefcase that belongs to or is possessed by John.He's coming for his briefcase tomorrow. He's is a contraction of He is.
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 plural form for the noun sergeant is sergeants; the plural possessive form is sergeants'.
It has no plural form.