YOU SAID:
I walked to your house and fell over.
INTO JAPANESE
私はあなたの家に歩いて行きそして転んだ。
BACK INTO ENGLISH
I went to your house and fell down.
INTO JAPANESE
私はあなたの家に行き倒れました。
BACK INTO ENGLISH
I went to your house and fell down.
That didn't even make that much sense in English.