Задумавшись о прошлом и будущем, он

Задумавшись о прошлом и будущем, он не заметил полицейских, которые вошли в переулок и шли прямо к нему.

Результаты (английский) 1:

Thinking about the past and the future, he did not notice the police officers who went into the alley and walked right up to him.

Результаты (английский) 2:

Thinking about the past and the future, he did not notice the police who entered the lane and went right to it.

Результаты (английский) 3:

Policemen on the past and the future, he had not noticed that police officers, who entered the alley and went directly to it.