YOU SAID:
the red-haired girl whose dog i walked hopped onto the train to go downtown
INTO JAPANESE
私が散歩した犬の赤毛の女の子は、ダウンタウンに行くために電車に飛び乗った
BACK INTO ENGLISH
The dog redhead girl I walked jumped on the train to go downtown
INTO JAPANESE
私が歩いていた犬の赤毛の女の子は、ダウンタウンに行くために電車に飛び乗った
BACK INTO ENGLISH
The dog redhead girl I was walking on the train to go downtown
INTO JAPANESE
犬の赤毛の女の子がダウンタウンに行くために電車で歩いていた
BACK INTO ENGLISH
Dog redhead girl was walking by train to go downtown
INTO JAPANESE
犬の赤毛の女の子はダウンタウンに行くために電車で歩いていた
BACK INTO ENGLISH
Dog redhead girl was walking by train to go downtown
You've done this before, haven't you.