1. its - Noun
2. its - Pronoun
4. its - Determiner
Possessive form of the pronoun it. See It.
Source: Webster's dictionaryThe whole is greater than the sum of its parts. Aristotle
Hunger knows no friend but its feeder. Aristophanes
The meek shall inherit the Earth, but not its mineral rights. J. Paul Getty
A snake can change its skin but not its disposition. Persian Proverb
A truth spoken before its time is dangerous. Greek Proverb
Smart bird gets trapped in its beak. Azerbaijani Proverb