Common Relative Pronouns π who, whom, whose, which, that
1. βWhoβ
Used to refer to people (as the subject of the clause).
β Example: The girl who won the race is my friend. π (βWhoβ refers to βthe girl.β)
2. βWhomβ
Used to refer to people (as the object of the clause).
β Example: The teacher whom we met was very kind. π (βWhomβ is the object of the verb βmet.β) π‘ Tip: If you can replace it with βhim/her,β use whom.
βWhoseβ
Shows possession (belonging).
β Example: The boy whose bag is missing is looking for it. π (βWhoseβ shows that the bag belongs to the boy.)
βWhichβ
Refers to animals or things (not people).
β Example: The car which is parked outside is mine. π (βWhichβ refers to βcar.β)
βThatβ
Refers to people, animals, or things (used more generally).
β Example: The book that I borrowed was exciting. π (βThatβ refers to βbook.β)