How to say you might have just forgotten. in Japanese
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おお(o) (int) oh!/polite prefix to the next word忘れno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbにに(ni) (prt) indicates such things as location of person or thing, location of short-term action, etc.なな(na) (prt) connects adj to noun/indicates emotion or emphasis/command/prohibitionっただけかとno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb思い思い(omoi) (n) thought/imagination/mind/heart/desire/wish/hope/expectation/love/affection/feelings/emotion/sentiment/experienceましたました(mashita) (n,adj-no) right under/directly below。。(。) Japanese period "."
