I____ to find my car keys ____ an hour.
have just been tried/ since
've tried/ since
had been trying/ for
've been trying/ for
How long ______ by the time we reach Los Angeles?
will we be driving
will we have been driving
will we drive
will we have been driven
By the time I retire next month, I _____ a single day off in ten years.
will have not had
haven't had
won't had had
won't have had....
I don't think we need to rush. Jason and Jessie _______ .
won't already have not arrived yet
have not been arriving yet
will have not arrived yet
won't have arrived yet
I need to speak to Claire. Do you think they ______ the meeting by now?
will have been finished
will have been finishing
will have finished
will have finishing
Is it correct? I know Simon for six years.
I have known SImon for six years
Is it correct? They're working in this office since 2012.
They have been working...
Is it correct? By this time tomorrow, I finish my final exam.
I will have finished...
Is it correct? I already posted the letter before I realised the address was wrong.
I had already posted...
Is it correct? By the end of September, I have been walking to work every day for ten years.
......I will have been walking...
