Subject or object pronoun?
(He/Him) ran two miles this morning.
He, subject pronoun
This is (our/ours) house.
Our
Ben bought a jacket yesterday.
He bought it yesterday.
I gave a diamond to (her/she) last night.
Her, object pronoun
The blue sweater is (my/mine).
mine
Mary and John took their children to school.
They took them to school.
We are negotiating with (they/them) at the moment.
Them, object pronoun
(Your/Yours) mobile phone is on the table.
Your
Ed is buying her girlfriend a ring.
He is buying her it.
One of (we/us) must be a spy.
Us, object pronoun
Where did you put (them/their) project?
their
Can you show Sarah those photos?
Can you show her them?
Cody and (her/she) went to the library.
She, subject pronoun
A good dog listens to (its/it's) owner.
its
Mark wanted to buy a saw.
He wanted to buy it.