How to say you neglected to say "thank you." in Japanese
1)
あなたあなた(anata) (pn,adj-no) youはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sigh「「(「) Japanese quoteありがとうありがとう(arigatou) (int) thank you/thanks」no dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbとと(to) (prt,conj) if/when/and/with/particle used for quoting/quoting particle/ promoted pawn/ indicates question言う言う(iu) (v5u) to say/to call/to go/to make a noiseことこと(koto) (prt) particle indicating a command/particle indicating mild enthusiasm/particle indicating a gentle interrogative/particle used to soften a judgment or conclusionをを(wo) (prt) indicates direct object of action/indicates subject of causative expression/indicates an area traversed/indicates time over which action takes place/indicates point of departure or separation of action/indicates object of desire, like, hate,怠ったno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb。。(。) Japanese period "."
