Replace the personal pronouns by possessive pronouns.

Front

This book is yours.

Back

yours

Front

The ball is ( I ) ............... .

Back

mine

Front

The blue car is ( we) .................... .

Back

ours

Front

The ring is (she) ................ .

Back

hers

Front

We met Paul and Jane last night. This house is ..................... .

Back

theirs

Front

The luggage is (he)................... .

Back

his

Front

The pictures are (she)..................... .

Back

hers

Front

In our garden is a bird. The nest is (she).................... .

Back

hers

Front

This cat is (we)................. .

Back

ours

Front

Not my fault. It was (you).................. .

Back

yours