こと
(Koto)
Turns a verb or phrase into a noun, often referring to intangible actions or facts.
Connection rules
- +Verb (Plain form) + こと
- +Adjective + こと
Examples
1.
私の趣味は写真を撮ることです。

Watashi no shumi ha shashin wo toru koto desu.
My hobby is taking photos.
「Self-introduction」
2.
毎日運動することは健康にいい。

Mainichi undou suru koto ha kenkou ni ii.
Exercising every day is good for your health.
「Healthy lifestyle advice」
Practice
My hobby is swimming in the sea.
私の趣味は海で___です。
Romaji also accepted