It's (their/theirs) problem, not (our/ours).
It's THEIR problem, not OURS.
This is a nice bike. Is it (your/yours)?
This is a nice bike. Is it YOURS?
That's not (my/mine) umbrella. (My/Mine) is black.
That's not MY umbrella. MINE is black.
Whose books are these? (Your/Yours) or (my/mine)?
Whose books are these? YOURS or MINE?
Kate is going out with (her/hers) friends this evening.
Kate is going out with HER friends this evening.
(My/Mine) room is bigger than (her/hers).
MY room is bigger than HERS.
They've got two children, but I don't know (their/theirs) names.
They've got two children, but I don't know THEIR names.
Can we use your washing machine? (Our/Ours) isn't working.
Can we use your washing machine? OURS isn't working.
Is it (our/ours) money? -- No, it's (her/hers)
Is it OUR money? -- No, it's HERS.
This dog belongs to him. It's _____.
This dog belongs to him. It's HIS.
This bag belongs to me. It's (my/mine).
This bag belongs to me. It's MINE.
This car belongs to you. It's (your/yours).
This car belongs to you. It's YOURS.
They're (her/hers) shoes. They are not (my/mine).
They're HER shoes. They're not MINE.
These coins belong to him. They are ___.
These coins belong to him. They are HIS.
This house belongs to them. It's (their/theirs).
This house belongs to them. It's THEIRS.
These are (her/hers) books. They are not (our/ours).
These are HER books. They are not OURS.
