Future Perfect Continuous: Duration

By the time the CEO finally steps down next December, she (lead) this multinational corporation for over thirty-five years.

When the spacecraft eventually enters Jupiter’s atmosphere, the ground team in Houston (track) its telemetry for nearly six years.

By their fifty-fifth wedding anniversary, my grandparents (reside) in this village for over half a century.

If the drought continues until August, the local farmers (pray) for significant rainfall for three consecutive months.

By the end of the current fiscal quarter, the development team (debug) this complex legacy software for fourteen weeks straight.

When the marathon runner finally crosses the finish line, he (push) his physical limits for just under three hours.

By the time the peace treaty is signed, the two nations (negotiate) the details of the agreement for over a decade.

When she finishes her residency next June, Dr. Aris (work) eighty-hour weeks for the better part of three years.

By the time the solar eclipse occurs, the astronomers (calibrate) their instruments for several days to ensure total precision.

If the jury doesn't reach a verdict by Friday evening, they (deliberate) on this high-profile case for exactly seven days.

By the time the museum finally unveils the restored masterpiece, the conservators (remove) layers of grime for eighteen months.

When the satellite completes its hundredth orbit, the sensors (transmit) climate data to the research center for nearly a month.

By the time the playwright sees her work on Broadway, she (rewrite) the second act for nearly two years to get the pacing right.

If they are still waiting for the test results when the clinic closes, they (sit) in that waiting room for over five hours.

By the end of his sabbatical, Professor Higgins (contemplate) the implications of string theory for six months straight.