Meaning
Marks the time of an action or state.
Formation
- とき is preceded by a modifying form: Vる / Vた / Aい / Aな / Nの
- Vるとき is before or during, Vたとき is after
When to use it
- Core use
- Marks the time of an action or state
Example
日本へ行ったとき写真を撮りました
When I went to Japan, I took photographs.
Important notes
- Word forms and particle choice depend on the pattern's role in the sentence.
Common mistakes
- Do not reorder or reshape the highlighted parts to match English word order.