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koto ni natte iru ことになっている
Predicative phrase meaning: be scheduled to (do), be expected to (do)
1. After dictionary form of verb 彼は九時にここに着くことになっています。 Kare wa ku ji ni koko ni tsuku koto ni natte imasu. He is due to arrive here at nine. 私たちは図書館で会うことになっています。 Watashi tachi wa toshokan de au koto ni natte imasu. We are to meet at the library.