2. Luckily he had never met the boy  had just died.

3. He is famous now for a theory  has changed our ideas of time
    space and universe.

4. Where's that book was here a moment ago?

5. Mr. Sebel is a teacher has his own website with extra exercises.

6. This is the girl  comes from Spain.

7. What did you do with the money your father lent you?

8. Is that the car was speeding?

9. The English test was not too difficult was thrown away by
    accident.

10. Thank you very much for your e-mail was very interesting.

For more exercises go to: English Grammar