I.
1. The ruler made of plastic is mine.
2. The girl taking to Phan is Australian.
3. The man playing chess with my father is Mr Lam.
4. The room painted yellow is my younger brother's.
5. They boys living next door to us helped us move the furniture.
6. The building damaged by the fire is now rebuilt.
7. The teacher explaning the lesson is the youngest teacher in our school.
8. The chair broken yesterday is now in the garden.
II.
1. telling
2. waited
3. waited
4. used
5. calling
6. left
7. locking
8. helping
9. smoked
10. left