YOU SAID:
old mcdonald had a farm and he ate the chickens and sold the grass
INTO JAPANESE
古いマクドナルドは、ファームを持っていたと彼は鶏を食べ、草を販売
BACK INTO ENGLISH
Old McDonald had a farm and eating his chickens, sell the grass
INTO JAPANESE
古いマクドナルドは、ファームを持っていた、彼の鶏を食べ、草を販売
You've done this before, haven't you.