Часть 1perfect and perfect continuous tenses

1. By Friday I will submit/will have submitted the report, and the board will review/will have reviewed it at Monday’s meeting.

2. When the client finally had arrived/arrived, I had been waiting/was waiting for over an hour.

3. By the time the team finishes/will finish testing, they will spend/will have spent two years on the algorithm.

4. Her eyes were red — she checked/had been checking the data all night, and she still hadn’t found/didn’t find the error.

5. The scientists have tested/have been testing the hypothesis since January, and so far they have completed/have been completing three experiments.

6. The referendum is in May. By then the party will have been campaigning/has been campaigning door to door for three months, and it will have been delivering/will have delivered over a million leaflets.

7. While the board was still discussing/still discussed the merger, the news about the deal had leaked/leaked to the press.

8. Please call after ten. By then I will finish/will have finished the presentation — I will have been working/will work on it for weeks.

9. By the time she resigned, she had been turning down/had turned down three promotions and had been working/was working in the same role for a decade.

10. The entrepreneur has been losing/had been losing money on the venture for three years, but she didn’t decide/hasn’t decided to give up yet.