what is a possessive pronoun that could replace these words 1.Martha Katz's (before a noun) 1.Martha Katz's ( not before a Noun)

1. Her house is green.

2. She is an engineer.

It would be her and hers. She is not possesive.

A possessive pronoun that could replace "Martha Katz's" before a noun is "her." For example, instead of saying "Martha Katz's car," you could say "her car."

A possessive pronoun that could replace "Martha Katz's" when it is not before a noun is "hers." For example, instead of saying "The car is Martha Katz's," you could say "The car is hers."