Open the brackets using present,past or future perfect. 1.you (to come) home by 8 o'clock toning? 2.she (to take ) her child to the nursery school before she went to the dentist 3.what the dentist ( to do ) before he pulled your tooth out? 4.he ( to complain ) of bleeding gums lately 5.by the next month the dentist (to set ) new office equipment. 6.the patient already ( to learn ) how to use the floss. 7.what tooth the dentist ( to treat) successfully at last? 8.the nurse ( to lead ) the patient to the dentist's consulting room by that time. 9. the dentist's assistant ( not to check ) the drilling machine yet . 10. the dental hygienist ( to tell) you about this mouth - wash in details before you leave the office.
2. had taken
3. had done
4. has complained (по заданию получается так, но я бы использовала здесь форму Past Indefinite - He complained...)
5. will have set
6. has already to learned
7. has treated
8. has led
9. has not checked
10. has told