By the time the error was discovered, the system ____ (already / fail) completely.
had already failed
They ____ (work) on the project for months before it was finally approved.
had been working
Don’t worry, I ____ (handle) the situation.
will handle
At this time tomorrow, Tom _____ (fly) to Europe.
will be flying
By the time you read this, I ____ (leave) the country.
will have left.
By the time funding runs out, the team ____ (develop) the prototype for nearly a decade.
will have been developing.
It turned out that the data ____ (recorded) incorrectly before analysis began
had been recorded
She was exhausted because she ____ (work) all night.
had been working
I ____ (not / tolerate) such behavior under any circumstances.
will not (won’t) tolerate
What _____ on Friday evening? Do you want to catch a movie?
What will you be doing on Friday evening? Do you want to catch a movie?
By the end of the trial, the jury ____ (reach) a verdict.
will have reached.
By the time the project ends, the team ____ (develop) the system for over five years.
will have been developing.
Hardly ____ the announcement ____ (be made) when the crowd reacted.
Hardly had the announcement been made when the crowd reacted.
I had been knowing him for years before that incident.
had known him
Be careful, you _____ (fall).
you are going to
The fans ________ (wear) crazy hats at Friday's game.
are going to be wearing
By the time you arrive, I will finish the report.
By the time you arrive, I will have finished the report.
By the time the CEO returns, the staff ____ (prepare) the report, and the interns ____ (compile) the data for hours.
By the time the CEO returns, the staff will have been preparing the report, and the interns will have been compiling the data for hours.
She had went home before I called her.
had gone
The company had been own the building for decades before selling it.
had owned the building
Why _____ (you/move) to the U.S.A?
Why are you going to move to the U.S.A?
This time next week, she will be knowing the results.
This time next week, she will know the results.
They will have completed the project by next week.
Will they have completed the project by next week?
(by Friday / we / work / on this report / 6 weeks)
By Friday, we will have been working on this report for six weeks.
He denied that he took the documents before the inspection.
He denied that he had taken the documents before the inspection.
They had been suspecting the truth for years before confirming it.
They had suspected the truth for years before confirming it.
You will understand the implications.
Will you understand the implications?
Don’t call at 9 — I ____ (present) the findings while the committee ____ (discuss) the proposal.
Don’t call at 9 — I will be presenting the findings while the committee will be discussing the proposal.
He will have wrote the report by then.
will have written.
(by midnight / engineers / monitor / servers / designers / test / interface)
By midnight, the engineers will have been monitoring the servers while the designers will have been testing the interface.