раскройте правильно скобки: Тhe students (pass) all exams by the end

1. Тhe students had passed all exams by the end of June.

2. The student will have passed all exams by the end of June.

3. My friends had done all their work by twelve oclock.

4. My friends will have done all the work by twelve oclock tomorrow.

5. She had finished the translation by the end of the year.

6. She will have finished the translation by end of the next year.