YOU SAID:
I ate cheese and cereal for breakfast
INTO JAPANESE
朝食はチーズとシリアルを食べた。
BACK INTO ENGLISH
I ate cheese and cereal for breakfast.
INTO JAPANESE
私は朝食にチーズとシリアルを食べた。
BACK INTO ENGLISH
I ate cheese and cereal for breakfast.
You've done this before, haven't you.