VERBS AUXILIARS.

Fill in each blank space with the correct auxiliary verb: 


1. ________ the teacher explain this properly?
  Did
  Was
  Had

2. ________ the professor angry?
  Did
  Was
  Had

3. ________ you spoken to him before he called you?
  Had
  Did
  Were

4. If you ________ told me, I would have never found out.
  didn't
  weren't
  hadn't

5. ________ they seeing each other?
  Did
  Had
  Were

6. ________ they continue seeing each other?
  Did
  Had
  Were

7. ________ you learn anything?
  Hadn't
  Didn't
  Weren't

8. ________ he in my American History class?
  Didn't
  Wasn't
  Hadn't

9. I realized that I ________ learned a thing (= anything).
  didn't
  wasn't
  hadn't

10. ________ your sister living in Paris for a while?
  Hadn't
  Wasn't
  Didn't