I have never met this man. —> Have you ever met this man?
Pete has just been to America. —> Has Pete just been to America?
Polly has already bought a new picture. —> Has Polly already bought a new picture?
We have not seen our uncle for ages. —> Havent we seen our uncle for ages?
You have not read this book yet. —> Have you read this book yet?
They have already built a new bridge. —> Have they already read this book yet?
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