N3#grammar#schedule#rules#n3

N3 Integrated Dialogue Lesson 3: ～ことになっている

Learn how to express scheduled events, rules, or established customs using the ～ことになっている grammar pattern.

Context

Setting the Scene

In Japanese society, many things are decided by rules, company policy, or social customs. When you need to explain that something is 'the rule' or 'the plan,' you need a way to express that it is an established arrangement.

Imagine you are at a new job. Your colleague explains the office rules: 'We are supposed to arrive 15 minutes early' or 'It is decided that we take a break at noon.' This isn't just a personal choice; it is an objective rule or schedule.

Explanation

The Grammar Structure

The pattern ～ことになっている is used to describe a rule, a schedule, or an established custom that is currently in effect.

Verbことになっている

This pattern conveys that the situation is fixed, often by an external factor like a company regulation, a family rule, or a social agreement. It implies that the situation is 'decided' and remains the case.

Tip

Use the dictionary form for affirmative rules and the negative form (ない) for prohibitions or things that are not allowed.

Examples

Examples in Context

See how this pattern is used in everyday life.

この会社(かいしゃ)では、残業(ざんぎょう)はしないことになっている。

In this company, it is the rule not to work overtime.

このこのthis会社かいしゃcompany残業ざんぎょうovertimeしないしないdo not doことになっていることになっているit is the rule

来週(らいしゅう)、新しい(あたらしい)プロジェクトが始まる(はじまる)ことになっている。

It is scheduled that a new project will start next week.

来週らいしゅうnext week新しいあたらしいnew始まるはじまるto begin

会議は午後二時に始まる【ことになっている】。

Hint: Use the grammar pattern for a fixed schedule.

The meeting is scheduled to start at 2 PM.

Usage

Nuance and Comparison

How does this differ from other ways of saying 'decided'?

～ことになっている vs ～ことにした

～ことになっている

An established rule or external schedule.

会議は二時だ。

～ことにした

A personal decision made by the speaker.

私は毎日走ることにした。

Which sentence implies a personal decision rather than an external rule?

明日、日本に行くことになっている。
✓ 明日、日本に行くことにした。

～ことにした expresses a personal decision, whereas ～ことになっている implies a fixed plan or rule.

Deep dive

Deep Dive: Past Tense

You can also use the past tense form to describe how things were handled.

Using ～ことになっていた

Using the past tense 'ことになっていた' indicates that something was the rule or the plan at a past point in time. This is often used when explaining why you did something or why a situation occurred.

Summary

The pattern ～ことになっている is essential for discussing rules, regulations, and fixed schedules in a professional or formal context.

Remember that this grammar highlights that the situation is 'decided' by someone or something other than just your own whim. It is a very common way to describe office policies and social expectations.

残業

ざんぎょうnoun

overtime work

会議

かいぎnoun

meeting

会社

かいしゃnoun

company

決まる

きまるverb

to be decided