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〜ことになっている

To be expected to/to be scheduled to/it has been decided as a rule that ~

N3

〜ことになっている

To be expected to/to be scheduled to/it has been decided as a rule that ~

About

~ことになっている attaches to casual form present tense verbs as well as ~てもいい constructs.

~ことになっている is used for rules, customs, decisions, and things that are generally understood to be the case.

~ことになっている often does not appear in translation, but may sometimes be approximated as "should do X/have to X/are expected to X/won't do X".

E.g. うちでは、料理りょうりつくらなかったひと食器しょっきあらことになっている。 "In our house, whoever doesn't cook washes the dishes."

E.g. このくすりは、1日いちにち2かいことになっています。 "This medicine should be taken twice a day."

E.g. 土曜日どようび従姉妹いとこしを手伝てつだことになっているから、あそべない。 "I can't hang out on the weekend because I'm supposed to help my cousin move."

~ことになっている should describe things that are decided to be a certain way by someone other than the speaker. ~ことにしている can be used for personal decisions.

~ことになっている can also create "supposed to be X" statements that describe a lie or a false context that has been externally agreed upon or established.

E.g. 親戚しんせきあいだでは、わたしはお金持かねもちで社長しゃちょうをしていることになってる。 "Among my relatives, I'm (supposedly) a rich CEO. (This isn't actually the case.)"

    Summary

  • b

    ~ことになっている attaches to casual form present tense verbs as well as ~てもいい constructs

  • b

    ~ことになっている is used for rules, customs, decisions, and things that are generally understood to be the case

  • b

    ~ことになっている often does not appear in translation, but may sometimes be approximated as "should do X/have to X/are expected to X/won't do X"

  • b

    ~ことになっている can also create "supposed to be X" statements that describe a lie or a false context that has been externally agreed upon or established

Example Sentences

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