YOU SAID:

If our thieves aren't here, they were.

INTO JAPANESE

泥棒がここにいなければ、彼らはいた。

BACK INTO ENGLISH

If the thieves hadn't been here, they would have been.

INTO JAPANESE

泥棒がここにいなかったら、彼らはここにいただろう。

BACK INTO ENGLISH

If the thieves hadn't been here, they would have been here.

INTO JAPANESE

泥棒がここにいなかったら、彼らはここにいただろう。

BACK INTO ENGLISH

If the thieves hadn't been here, they would have been here.