That possessive form for the proper noun Glass is Glass's.
Example: Mr. Glass's office is at the end of the hall.
The possessive form of the surname GLASS is GLASS's.
The possessive form of the surname "Welch" is "Welch's."
The possessive form for the singular noun glass is glass's (just as you have it in your question).The plural form is glasses. The plural possessive form is glasses'.Example: I like these glasses' pattern the best.
The noun glass has a number of uses, all of them are uncountable nouns, except for a drinking glass. The plural possessive is glasses'; the set of glasses' color.The singular possessive for a pair of glassesused for eyesight is glasses', the glasses' frame. The plural possessive is the glasses' frames. The plural possessive is the same because it is a shortened form for the pairs of glasses' frames.The singular possessive for a pane of glass, used for windows is the glass's size. The plural possessive is the glass's sizes. The plural possessive is the same because it is a shortened form for the panes of glass's size.
To form the possessive plural of a surname ending in s, add only an apostrophe after the s. For example, the possessive plural of the Smiths would be the Smiths'.
The singular possessive form of the noun mirror is mirror's.The plural form of the noun mirror is mirrors.Thee plural possessive form is mirrors'.Examples:The mirror's frame cracked and the glass fell to the floor. (singular)All of the mirrors' reflections gave varying perspectives of the room. (plural)
possessive form of the word glass: glass'
The possessive form for the singular noun glass is glass's (just as you have it in your question).The plural form is glasses. The plural possessive form is glasses'.Example: I like these glasses' pattern the best.
The plural possessive form is glasses'.
The plural form for the noun glass is glasses. The plural possessive form is glasses'.Example: Her glasses' frame broke when she dropped them.
The possessive form of the surname "Welch" is "Welch's."
The noun glass has a number of uses, all of them are uncountable nouns, except for a drinking glass. The plural possessive is glasses'; the set of glasses' color.The singular possessive for a pair of glassesused for eyesight is glasses', the glasses' frame. The plural possessive is the glasses' frames. The plural possessive is the same because it is a shortened form for the pairs of glasses' frames.The singular possessive for a pane of glass, used for windows is the glass's size. The plural possessive is the glass's sizes. The plural possessive is the same because it is a shortened form for the panes of glass's size.
There are two accepted forms for possessive singular nouns that end with an s:Add an apostrophe (') after the existing s at the end of the word:the glass' contentsAdd an apostrophe s ('s) after the existing s at the end of the word:the glass's contents
The possessive form for the plural noun rings is rings'.Examples:The rings' display was secured under a glass counter.The rings' colors on the Olympic flag are blue, yellow, black, green, and red.singular: ringsingular possessive: ring'splural: ringsplural possessive: rings'
The singular possessive form of the noun mirror is mirror's.The plural form of the noun mirror is mirrors.Thee plural possessive form is mirrors'.Examples:The mirror's frame cracked and the glass fell to the floor. (singular)All of the mirrors' reflections gave varying perspectives of the room. (plural)
The singular possessive form is heart's; the plural possessive form is hearts'.
The possessive form is subsidiary's.
The possessive form of "synopsis" is "synopsis's" or "synopsis'."