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. My mother was born in 1947.

 2. May I come in? − Yes, please.

 3. How long do you known Peter?

 4. My bicycle isn’t here anymore. Somebody has taken it.

 5. Dresses are made preferably of cotton in hot countries.

 6. My uncle John is being operated on in this clinic now.