YOU SAID:
the cat is falling through the stairs
INTO JAPANESE
猫は階段から落ちています
BACK INTO ENGLISH
Cat is falling off the stairs
INTO JAPANESE
猫が階段から落ちている
BACK INTO ENGLISH
Cat falling from stairs
INTO JAPANESE
階段から落ちてくる猫
BACK INTO ENGLISH
Cat falling from stairs
You should move to Japan!