Не успел я начать подготовку к экза

Не успел я начать подготовку к экзамену, как выяснилось, что формулировки вопросов изменились.

Результаты (английский) 1:

Before I start preparing for the exam, as it turned out, that the wording of questions changed.

Результаты (английский) 2:

Before I start preparing for the exam, as it turned out, that question wording changed.

Результаты (английский) 3:

Don't I have to start preparing for the exam, as it had been found, that the language issues have changed.