Мы были уверены, что они поставили

Мы были уверены, что они поставили палатку до того времени как начался дождь. Но когда мы вернулись, то обнаружили, что все наши вещи и продукты промокли.

Результаты (английский) 1:

We were sure that they put up a tent before the time it started to rain. But when we came home, discovered that all our things and products soaked.

Результаты (английский) 2:

We were confident that they had set up a tent at the time it started to rain. But when we returned, we found that all our clothes and food are wet.

Результаты (английский) 3:

we were sure that they camped out by the time it began to rain. but when we came back, they found that all of our things and products are soaked.