When we speak of TWO or MORE people who own something, we use the PLURAL form of the possessive pronoun. Plural possessive pronouns are "ours", "yours" and "theirs".

Examples:

a. These books belong to me and my sister. These books are ours.

b. Those magazines belong to you and your brother. Those magazines are yours.

c. These concert tickets belong to Peter and Jill. These concert tickets are theirs.

Underline the correct word in the brackets.

1. We have a pet dog. The dog is (ours, yours).
2. Mr. and Mrs. Albert own a car. The car is (yours, theirs).
3. These dolls are for both of you. They are (ours, yours).
4. These are our bicycles. They are (ours, theirs).
5. This room belongs to Wendy and Ken. The room is (yours, theirs).

Fill in each blank using the following possessive pronouns.

1. John and Harry have a new computer. It is __________.

2. I bought these presents for the children. These presents are __________.

3. This room is __________. Both of you must keep it clean.

4. These books belong to you and David. They are __________.

5. These bags do not belong to us. They are not __________.

6. My brother and I collected these stamps. They are __________.

7. Sarah and her sister drew these pictures. These pictures are __________.

8. The children set up their own tents for the camp. The tents are __________.

9. We borrowed this ladder from my neighbor. It is not __________.

10. The workers brought their own tools. The tools are __________.