Home/Tenses/Future Perfect/by the time / by then

Future Perfect by the time / by then

Upper-intermediateB2

Exercise 1 — 'by [time]' with mixed affirmative and question forms

Some sentences are affirmative (will have + pp), some are questions (Will subject have + pp?). Watch for the 'by [time]' trigger and the context.

Set:

By Monday, she ___ finished the report.

will havewon't havewill behas

By the time he arrives, ___ you ___ eaten?

will / haveare / eatingdo / eathave / eaten

By 2035, scientists ___ discovered a cure for that disease.

won't havewill havewill bediscover

___ they have left by the time the party starts?

HaveDoWillAre

By the end of the month, she ___ saved enough for the deposit.

will havewon't havewill besaves

By next spring, they ___ built the new bridge — the construction is way behind.

will havewon't havewill bebuild

___ you have read the whole book by Friday?

HaveDoWillAre

By the time the ambulance arrives, the patient ___ already received first aid.

won't havewill havewill behas

___ she have graduated by the time her parents visit in June?

HasDoesWillIs

By noon, I ___ been on hold for three hours — this is outrageous!

will havewon't havewill behave

Home/Tenses/Future Perfect/by the time / by then

Future Perfect by the time / by then

Upper-intermediateB2

Exercise 1 — 'by [time]' with mixed affirmative and question forms

Some sentences are affirmative (will have + pp), some are questions (Will subject have + pp?). Watch for the 'by [time]' trigger and the context.

Set:

By Monday, she ___ finished the report.

will havewon't havewill behas

By the time he arrives, ___ you ___ eaten?

will / haveare / eatingdo / eathave / eaten

By 2035, scientists ___ discovered a cure for that disease.

won't havewill havewill bediscover

___ they have left by the time the party starts?

HaveDoWillAre

By the end of the month, she ___ saved enough for the deposit.

will havewon't havewill besaves

By next spring, they ___ built the new bridge — the construction is way behind.

will havewon't havewill bebuild

___ you have read the whole book by Friday?

HaveDoWillAre

By the time the ambulance arrives, the patient ___ already received first aid.

won't havewill havewill behas

___ she have graduated by the time her parents visit in June?

HasDoesWillIs

By noon, I ___ been on hold for three hours — this is outrageous!

will havewon't havewill behave