YOU SAID:

i hurt my back back in my days, so be back tomorrot to massage my back

INTO JAPANESE

昔は背中を痛めたので、明日戻って背中をマッサージしてください

BACK INTO ENGLISH

I used to hurt my back, so please come back tomorrow and massage your back

INTO JAPANESE

以前は背中を痛めていましたので、明日戻ってきて背中をマッサージしてください

BACK INTO ENGLISH

I used to hurt my back, so please come back tomorrow and massage your back