ПОМОГИТЕ ПОЖАЛУЙСТА С АНГЛИЙСКИМ ЯЗЫКОМ!
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.