modality N3 uncommon casual
〜ことなのだ — the fact is that ~
〜ことなのだ ・ ことなのだ
Builds on こと
Meaning
- the (real) point is that ~ / it's a matter of ~ — explanatory のだ attached to a こと-nominalized fact, presenting it as the heart of the matter
Key sentence
大切なのは、毎日続けることなのだ。
What matters is to keep it up every day.
Formation
| Attaches to | Form | Example |
|---|---|---|
| Verb/clause nominalized with こと + な + のだ | 〜こと + な + のだ | 必要なのは、休むことなのだ |
Easily confused with
See 〜ことなのだ in real sentences
Jengo shows 〜ことなのだ the way you actually meet it: inside real Japanese sentences, so it sticks instead of staying an abstract rule.
Study it in JengoSources Compiled from published Japanese grammar references. Editorial confidence: low.