Если бы я заранее изучил статьи, оп

Если бы я заранее изучил статьи, опубликованные за последние 5 лет, я бы мог предложить написать обзор по этой теме.

Результаты (английский) 1:

If I had studied in advance articles published over the past 5 years, I would suggest to write a review on this topic.

Результаты (английский) 2:

If I had studied the articles published over the past 5 years, I could offer to write a review on this topic.

Результаты (английский) 3:

if i'd have had articles published in the last five years, i would suggest to write a review on this topic.