GRAMMAR DETAIL
場合は
States an action or rule that applies when a particular situation occurs.
Examples
予定を変更する場合は、前日までに知らせてください。
If you change your plans, please let us know by the day before.
Words used
雨が降る場合は、会場を室内に変更します。
If it rains, we will move the event indoors.
Words used
機械が動かない場合は、電源を確認してください。
If the machine does not work, please check the power supply.
Words used
Study notes
1. Origins, structure, and basic meaning
- Structure: Add
場合は（ばあいは）to a plain clause, a noun followed byの, or a na-adjective followed byなto set a situation as a condition. - Basic usage:
機械が動かない場合は、電源を確認してください。gives a response for the case of a machine not working.
2. Common pitfalls and similar expressions
- Guidance for a particular case
変更する場合は連絡するsets an action for the case of a change. It suits guidance by condition rather than recalling an actual occasion, as in変更したときの話.
- Nouns and na-adjectives
- A noun takes
のin雨の場合は, while a na-adjective takesなin必要な場合は. A negative verb connects directly, as in動かない場合は.
- A noun takes