Exercise VI. Introduce help-verbs and corrections whenever necessary:
1. Who (works) in your laboratory?
2. What method you (used) in your previous experiment?
3. What (helps) you in your work?
4. when she (will call) you?
5. Why you (didnt come) on time?
6. how much money she (has) on her account?
7. Whose dictionary (lies) on the table?
8. why you (dont return) books to the library?
Exercise VII. Put the verbs in brackets into the Past simple or Present Continuous:
1. I English since 1999. (to study)
2. We English at school. (to study)
3. From 2000 to 20006 he as a customs officer. (to work)
4. When he was a sales representative, he twelve hours a day. (to work)
5. I very busy all this week. (to be)
6. How many pages you ? (to read)
7. How much you at your last job? (to get)
8. Where all the managers (to go)
Exercise VIII. Replace the Possessive Case by the of-phrase: