YOU SAID:
my brother went out with my step-dad last night and came back with mcdonalds
INTO JAPANESE
私の兄は昨夜私の義父と一緒に出かけ、マクドナルドと一緒に戻ってきました
BACK INTO ENGLISH
My brother went out with my father-in-law last night and came back with McDonald's
INTO JAPANESE
兄は昨夜義父と一緒に出かけ、マクドナルドと一緒に戻ってきました
BACK INTO ENGLISH
My brother went out with my father-in-law last night and came back with McDonald's
You've done this before, haven't you.