Помогите пожалуйста!!!
Выберите правильную форму герундия:
1. I don’t remember (having seen, having been seen) her before.
2. We prefer new methods of work (having used, being used).
3. He entered the room without (being noticed, having been noticed).
4. The shoes need (repairing, being repaired).
5. Albert must be proud of (having won, having been won) the prize.