Possessive in a sentence as a noun

"Its", not "it's", is the possessive form of "it".

But "someone" is ambiguous, so the possessive used later in the sentence should be as well.

Sometimes they can be quite possessive, they would break the toy if someone not so knowledgeable wants to play with it.

Treading the HN path of avoiding possessive determiners at all may be the wiser path.

From Apple's own site [1], "Trademarks are adjectives, and should not be made into verbs or made plural or possessive.

Possessive in a sentence as an adjective

Can we agree to use the plural "their" for ambiguous sex third-person possessive?

* Use the trademark only as an adjective, never as a noun or verb, and never in the plural or possessive form.[...

An article promising to be quite technical demonstrates early on the author's inability to get their head around the spelling of the possessive form of "its".

The Chinese character "" is being used here as a possessive; it just means that the iPad belongs to the "Administrator", which is the default account name for many Windows XP computers [1].

This article is about a child who is clearly intelligent, manipulative and possessive of unhealthy behaviors outside the norm.

Possessive definitions

noun

the case expressing ownership

See also: genitive

adjective

serving to express or indicate possession; "possessive pronouns"; "the genitive endings"

See also: genitive

adjective

desirous of owning; "small children are so possessive they will not let others play with their toys"

adjective

having or showing a desire to control or dominate; "a possessive parent"