The word your can be both plural and singular. You may say to one person, "Is that your car?" You would also say to a group of people "Are those your cars?" Either way, the form of your does not change.
The word "yours" is not a plural. It is the possessive form of your.
There is no plural form for the word, countries. This word itself is a plural.
The plural of diary is diaries.
The plural form of the word gelato is gelati.
The plural form of the word 'deed' is 'deeds'.
The plural form of the word neurosis is "neuroses".
There is no plural form for the word, countries. This word itself is a plural.
The plural form of the word "inferno" is "infernos."
There is no plural word for if.
The plural form is data.
There is no 'plural form' of the word 'minute'. The word is both singular and plural.
The plural of diary is diaries.
The plural form for the word 'pioneer' is pioneers.
The plural form of the word "baby" is "babies."
The plural form of the word 'deed' is 'deeds'.
The plural form of the word signal is signals.
The plural form of the word gelato is gelati.
The plural form of the word "search" is "searches".