Повторите правило: совершенные времена. Выполните упражнения.
Упражнение 1 Поставьте следующие предложения в во и отрицательную форму.
1) The teacher has come. 2) You have looked through this material. 3) He has sold his cycle. 4) The postman has brought the newspapers. 5) I have been to Sochi this summer. 6) Harry has fallen asleep. 7) The children have had their breakfast.

Отв

1) The teacher hasn't come yet. Has the teacher come?

2) You haven't looked through this material. Have you looked through this material?

3)He hasn't sold his cycle. Has he sold his cycle?

4) The postman hasn't brought the newspaper. Has the postman brought the newspaper?

5) I haven't been to Sochi this summer. Have I been to Sochi this summer?

6) Harry hasn't fallen asleep. Has Harry fallen asleep?

7) The children haven't had their breakfast. Have the children had their breakfast?