6 Work in pairs. Ask and answer questions about the list in exercise 5. Use the present perfect interrogative with yet.

Have they tidied the living room yet? — Yes, they have.

Have they hoovered the living room yet? — No, they haven’t.

Have they baked a cake yet? — Yes, they have.

Have they decorated the cake yet? — No, they haven’t.

Have they prepared dinner yet? — No, they haven’t.

Have they changed the beds yet? — Yes, they have.