YOU SAID:
When my guinea pig farted, the other one started to eat again
INTO JAPANESE
私のモルモットがおならをすると、もう一匹がまた食べ始めた
BACK INTO ENGLISH
When my guinea pig farted, another began to eat again
INTO JAPANESE
私のモルモットがおならをすると、もう一匹がまた食べ始めました
BACK INTO ENGLISH
When my guinea pig farted, another began to eat again
You've done this before, haven't you.