ことになる

expression, godan verb (-ru)

it has been decided that; it has been arranged that

Expresses that a decision or arrangement has been made, often by someone else or by circumstances. Frequently used at the end of a sentence.

• 来らい月げつ、東とう京きょうに出しゅっ張ちょうすることになった。

  It has been decided that I will go on a business trip to Tokyo next month.

• 会かい議ぎは来らい週しゅうの水すい曜よう日びに行おこなわれることになりました。

  It has been arranged that the meeting will be held next Wednesday.

expression, godan verb (-ru)

it turns out that; the result is that

Indicates that a situation has come about as a natural consequence or outcome, not necessarily by anyone's direct decision.

• 毎まい日にち練れん習しゅうしたら、上手じょうずに話はなせるようになった。つまり、努ど力りょくが実みを結むすんだことになる。

  After practicing every day, I became able to speak well. In other words, it turned out that my efforts paid off.

• 彼かれが来こなかったということは、予よ定ていが変かわったことになる。

  The fact that he didn't come means that the plan has changed.

expression, godan verb (-ru)

it means that; it is equivalent to

Used to explain the logical implication or reason behind a situation; often rephrases a preceding statement.

• 彼かれが賛さん成せいしないなら、計けい画かくは中ちゅう止しということになる。

  If he doesn't agree, it means the plan will be canceled.

• このデータが正ただしければ、我われ々われの仮か説せつは間ま違ちがっていたことになる。

  If this data is correct, it means our hypothesis was wrong.