The word countries is the plural form of the singular noun country.
The possessive form of the plural noun is countries'.
The singular possessive form is country's.
The word countries is the plural form of the singular noun country.
The possessive form of the plural noun is countries'.
The singular possessive form is country's.
The form countrys is neither plural nor possessive.
The plural form for the singular noun country is countries.
The possessive form for the singular noun country is country's.
Yes, the form countries' is the possessive form of the plural noun countries.
Example: All of the countries' delegates had to agree to the plan.
The apostrophe means that it is possessive. Countries is plural.
Coaster's is singular possessive. The plural is coasters, the plural possessive is coasters'.
No. Plural possessive is "their" Possessive pronouns do not use an apostrophe.
The plural is briefs. The plural possessive is briefs'.
The plural is lads. The plural possessive is lads'.
The plural is trollies. The plural possessive is trollies'.
The plural is stations. The plural possessive is stations'.
The plural is relatives. The plural possessive is relatives'.
Museum is singular. Museum's is singular possessive. Museums is plural. Museums' is plural possessive.
The singular possessive form is heart's; the plural possessive form is hearts'.
The plural form is homes; the plural possessive is homes'.
The plural of rose is roses. The plural possessive is roses'.
The singular possessive is biker's; the plural possessive is bikers'.