If my train's on time, _________________ on your door at ten o'clock sharp., I'll be knocking, will have knocked, By the end of the semester, we ________________________ most of the material in the book., will be covering, will have covered, By this time tomorrow, we _____________________ to Hawaii for a two-week vacation!, 'll be flying, will have flown, We ___________________ with the head of Research and Development at the conference next week., 'll be meeting, will have met, I hope ________________ time to read the book before we meet to discuss it., I'll be having, will have had.

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