N1formaldecidedN1
～こととなる (koto to naru) - It has been decided that
[Verb plain form] + こととなる/こととなった
Quick answer
[Verb plain form] + こととなる/こととなった means "It has been decided/arranged that; It came about that". It is a N1 Japanese grammar point with examples and drills on this page.
Meaning
It has been decided/arranged that; It came about that
Explanation
A formal expression indicating that something has been decided or came to happen, often used in business/official contexts.
Examples
来月、海外支社に赴任することとなりました。
らいげつ、かいがいししゃにふにんすることとなりました。
It has been decided that I will be posted to the overseas branch next month.
このプロジェクトを担当することとなり、身が引き締まります。
このぷろじぇくとをたんとうすることとなり、みがひきしまります。
Having been assigned this project, I feel a sense of responsibility.
Practice this grammar
[Verb plain form] + こととなる/こととなった
Which sentence correctly uses "～こととなる (koto to naru) - It has been decided that"?