YOU SAID:
They see me mowing my front lawn riding my pony
INTO JAPANESE
彼らは私が私のポニーに乗って私の前の芝生を刈っているのを見ます
BACK INTO ENGLISH
They see me riding my pony and mowing the lawn in front of me
INTO JAPANESE
彼らは私が私のポニーに乗って私の前の芝生を刈っているのを見ます
BACK INTO ENGLISH
They see me riding my pony and mowing the lawn in front of me
That didn't even make that much sense in English.