Я был уверен, что он уже жалеет, чт

Я был уверен, что он уже жалеет, что написал ей.
Мне показалось, что он утомлен, и я спросил его, чем он занимался.

Результаты (английский) 1:

I was sure he already regret having posted it.
it seemed to me that he was tired, and I asked him what he was doing.

Результаты (английский) 2:

I was sure that he was sorry that he wrote to her.
seemed to me that he is tired, and I asked him what he was doing.

Результаты (английский) 3:

I was sure that he had already spared no effort, that he had written it.
i thought that he was, and I asked him what he was.