1. Complete the sentences. (Use who, whose, which, where, when or that)
1. She bought the computer ___ her brother had recommended.
2. My uncle, ___ served in the army, is a very brave man.
3. We called the taxi company ___ Julie often uses.
4. This pen, which I bought two days ago, has stopped working.
5. My cat ___ is in the garden is very relaxed.
6. He lost the money ___ I had given him.
7. Silvia, ___ brother works in Dublin, speaks English pretty well.
8. She has just come back from Dublin, ___ his brother lives.

2. Turn these sentences about Drew into defining relative clauses.
1. Drew is a famous architect. His designs won an international award last year.
2. He is the one. The award should be given to him.
3. He designs amazing bridges. The bridges are built all over the world.
4. The bridges are really resistant. The bridges are made using the best materials.

1. Complete the sentences

1. She bought the computer that / which her brother had recommended.

2. My uncle, who served in the army, is a very brave man.

3. We called the taxi company that / which Julie often uses.

4. This pen, which I bought two days ago, has stopped working.

5. My cat that / which is in the garden is very relaxed.

6. He lost the money that / which I had given him.

7. Silvia, whose brother works in Dublin, speaks English pretty well.

8. She has just come back from Dublin, where her brother lives.

2. Defining relative clauses

1. Drew is a famous architect whose designs won an international award last year.

2. Drew is the one who should be given the award.

3. Drew designs amazing bridges that / which are built all over the world.

4. The bridges that / which are made using the best materials are really resistant.

Who is used for people, whose shows possession, which is used for things, where refers to places, and that can often replace who or which in defining relative clauses.