Помогите пожалуйста составить 6 предложений в Present Perfect:
2- положительных,
2- отрицательных,
2- вопросительных.

1. He has already  seen this film.
He hasn't seen this film yet
Has he seen seen this film yet?
2. I have seen a giant butterfly before.
Have you ever  seen a giant butterfly?
I haven't seen a giant butterfly before