YOU SAID:
When mom come home with mcdonad
INTO JAPANESE
お母さんがmcdonadで帰宅したとき
BACK INTO ENGLISH
When mom comes home with mcdonad
INTO JAPANESE
お母さんがmcdonadを持って帰ってきたとき
BACK INTO ENGLISH
When mom comes home with mcdonad
You've done this before, haven't you.