modality N4 common casualpolitewritten
〜が必要 — ~ is necessary
〜が必要 ・ がひつよう
Meaning
- ~ is necessary / ~ is needed / ~ is required
Key sentence
予約が必要です。
A reservation is required.
Formation
| Attaches to | Form | Example |
|---|---|---|
| noun | N + が必要（だ／です） | 予約が必要 / 経験が必要 |
Examples
この仕事には経験が必要だ。
This job requires experience.
海外に行くにはパスポートが必要だ。
You need a passport to go abroad.
もう少し時間が必要です。
I need a bit more time.
Easily confused with
Notes
- To express 'need to do (an action),' nominalize or switch to 〜必要がある: 休むことが必要 / 休む必要がある.
See 〜が必要 in real sentences
Jengo shows 〜が必要 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.