Джон закончил первую главу диссерта

Джон закончил первую главу диссертации и сейчас пишет вторую. Он работает над диссертацией уже год. Я думаю, что к концу будущего года он ее закончит. Обычно аспирант должен напечатать 2-3 статьи перед защитой. В этом году Петр уже напечатал две статьи.

Результаты (английский) 1:

John finished the first chapter of the thesis and now writes the second. He is working on a dissertation for a year already. I think that by the end of next year he finishes. Usually a graduate student should print 2-3 article before protection. This year Peter already has printed two articles.

Результаты (английский) 2:

John finished the first chapter of the thesis and is now writing a second. He is working on his thesis for a year. I think that by the end of next year, he finished it. Typically, a graduate student must print articles 2-3 before the defense. This year, Peter has published two articles.

Результаты (английский) 3:

john finished the first chapter of the thesis, and now is the second. he is working on a thesis for a year. i think by the end of next year, he finished. usually the graduate student should print 2 - 3 article for protection. this year, peter has already published two articles.