After Viet _________________in 5 minutes, his friends come back here.

By the time the new policy comes into effect I’m sure there _____ some changes

I think that before I graduate in 2030, I _________ quite a few exams.

I know by the time Jack and Marry__________ my house this afternoon, I ______out for a walk.

By the time he comes, we will have already __________.

I like looking at these pictures, but I.............enough by lunch time.

____________ her homework before 10 a.m tomorrow?

When will you send the message? - We _________ it by Friday.

By the end of next year, George ______ English for two years.

By the end of next year, George............…English for 2 years.

Can we start the party at 3 o'clock? - I don't think so. All our guests ________ by then, I'm afraid.

By 2050, this area_____turned into an industrial centre.

She_____from the excursion by 6 o'clock tonight.

Before they get to the airport tomorrow afternoon, they _______________ lunch with us.

These machines _______ very well by the time you ________back next week.

You are too slow. I’m sure that by the time you phone them, they_____that car to someone else.