YOU SAID:

I ride the horse and your girfriend simultaneously

INTO JAPANESE

私は同時に馬とあなたの彼女に乗る

BACK INTO ENGLISH

I ride her horses and you at the same time

INTO JAPANESE

私は同時にして彼女の馬に乗る

BACK INTO ENGLISH

At the same time, to ride her horse I

INTO JAPANESE

同時に、彼女に乗る馬の私

BACK INTO ENGLISH

Horse riding in her at the same time, I

INTO JAPANESE

同時に彼女の乗馬私

BACK INTO ENGLISH

At the same time of her riding me.

INTO JAPANESE

同時に彼女の私に乗ってください。

BACK INTO ENGLISH

Take her of me at the same time.

INTO JAPANESE

同時に私の彼女を連れてください。

BACK INTO ENGLISH

Please bring my girlfriend at the same time.

INTO JAPANESE

私のガールフレンドを連れて来てください。

BACK INTO ENGLISH

Please bring my girlfriend.

INTO JAPANESE

私のガールフレンドを連れて来てください。

BACK INTO ENGLISH

Please bring my girlfriend.