Я должен был ходить в библиотеку по

Я должен был ходить в библиотеку почти каждый день: оставалось всего несколько дней, до того как мне нужно было сдать доклад, а я еще не написал и половины.

Результаты (английский) 1:

I had to go to the library almost every day: it was only a few days before I had to hand over the report, and I have not posted by half.

Результаты (английский) 2:

I had to go to the library almost every day: there were only a few days before I had to hand over the report, and I have not written a half.

Результаты (английский) 3:

I should have been to go to the library almost every day: there were a few days, before the i had to pass the report, and I have not yet written and half.