YOU SAID:
Oh dear! The keys are still in the house!
INTO JAPANESE
まあ!鍵はまだ家の中にあります!
BACK INTO ENGLISH
Oh dear! The key is still in the house!
INTO JAPANESE
まあ!鍵はまだ家の中にあります!
BACK INTO ENGLISH
Oh dear! The key is still in the house!
That didn't even make that much sense in English.