Сейчас он упорно работает, потому ч

Сейчас он упорно работает, потому что знает, что время летит быстро, и может случиться, что у него не будет времени повторить все основательно. Вчера мы занимались вместе, и я помогал ему с его дипломной работой. Завтра он будет работать весь день, а вечером мы пойдем в бассейн, потому что, я думаю, к тому времени он закончит всю свою работу.

Результаты (английский) 1:

He work hard, because time flies, and it may happen that it will not have time to repeat all thoroughly. Today we have together, and I helped him with his diploma work. Tomorrow he would work all day and in the evening we will go to the pool, because, I think, by the time he finishes his work.

Результаты (английский) 2:

Now he is working hard, because he knows that time is running out, and it may happen that he will not have time to repeat everything thoroughly. Yesterday we did together, and I helped him with his thesis. Tomorrow it will work all day and in the evening we go to the pool, because, I think, by the time he finished all his work.

Результаты (английский) 3:

Now, he is working very hard, because it knows that the time flies quickly, and it may happen that he will not have time repeat all thoroughly. Yesterday, we were together, and I helped him with his diploma thesis work.Tomorrow it will be to work the entire day, and in the evening we go to the swimming pool, because that, I think, by the time he is finished with all its work.