YOU SAID:

My mom fell down the stairs

INTO JAPANESE

私のお母さんは階段の下に落ちた

BACK INTO ENGLISH

My mother fell under the stairs

INTO JAPANESE

私の母は階段の下で落ちた

BACK INTO ENGLISH

My mother fell down the stairs

INTO JAPANESE

私の母が階段から落ちてください。

BACK INTO ENGLISH

My mother fell down the stairs.

INTO JAPANESE

私の母は階段から落ちた。

BACK INTO ENGLISH

My mother fell down the stairs.