Active to passive: future perfect (will have + past participle -> will have been + past participle)

1. A.
   The invitations shall have dispatched before Friday evening.
2. B.
   The invitations shall have had been dispatched before Friday evening.
3. C.
   The invitations shall have be dispatched before Friday evening.
4. D.
   The invitations shall have been dispatched before Friday evening.

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1. A.
   The new airport will have been opened by 2026.
2. B.
   The new airport will be opened by 2026.
3. C.
   The new airport has been opened by 2026.
4. D.
   The new airport will being opened by 2026.

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1. A.
   The merger documents will not be finalized by them by midnight.
2. B.
   The merger documents will not have been finalized by them by midnight.
3. C.
   The merger documents have not been finalized by them by midnight.
4. D.
   The merger documents would not have been finalized by them by midnight.

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