YOU SAID:

I got to hit the sack

INTO JAPANESE

私は袋を打つようになった

BACK INTO ENGLISH

I began to hit a bag

INTO JAPANESE

私は袋にぶつかり始めました

BACK INTO ENGLISH

I began hitting a bag

INTO JAPANESE

私は袋にぶつかり始めました

BACK INTO ENGLISH

I began hitting a bag