YOU SAID:
I completely forgot what I ate yesterday.
INTO JAPANESE
私は昨日食べたものをすっかり忘れてしまった。
BACK INTO ENGLISH
I completely forgot what I ate yesterday.
INTO JAPANESE
私は昨日食べたものをすっかり忘れてしまった。
BACK INTO ENGLISH
I completely forgot what I ate yesterday.
You've done this before, haven't you.