JLPT N1
～たことにする / たことになる
to pretend that; to treat as if (contrary to truth)
Structure / Usage
Verb (た-form) + ことにする / ことになる
Example Sentences
聞かなかったことにしてください。
Please pretend you didn't hear that.
その話はなかったことにしよう。
Let's pretend that conversation never happened.
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