Вставьте пропущенный вспомогательный глагол. 1. My mother ___________ born in 1947. 2. _________ I come in? − Yes, please. 3. How long _________ you known Peter? 4. My bicycle isn’t here anymore. Somebody ________ taken it. 5. Dresses ________ made preferably of cotton in hot countries. 6. My uncle John _______ _________ operated on in this clinic now.

1. Mymother was born in 1947.