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Have you cut the grass in the backyard?

Our boss has signed the trade agreement, has he?

Have the members of the delegation arrived yet?

Hasn the wind stopped blowing yet?

Have all the tourists paid the admission charge?

Have we invited the chairman of the charitable organization to our meeting?

Has Alan downloaded this document yet?

Have the policemen captured the burglars?

Has Sarah recovered from her illness yet?

Have your parents left for New York yet?

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