он предложил детям пойти в зоопарк,

он предложил детям пойти в зоопарк, так как он не был там с детства.

Результаты (английский) 1:

He invited the children to go to the Zoo, because he has not been there since childhood.

Результаты (английский) 2:

He suggested that the children go to the zoo, as he had not been there since childhood.

Результаты (английский) 3:

he invited the children to go to the zoo because he had not been there since i was a kid.