Если бы он посещал все лекции, он б

Если бы он посещал все лекции, он бы сдал экзамены намного лучше

Результаты (английский) 1:

If he had attended all the lectures, he would have passed the exams so much better

Результаты (английский) 2:

If he had attended all the lectures, he would have passed the exam is much better

Результаты (английский) 3:

if he attends all the classes, he would have passed the exam is much better