What Is とき?
とき (時) is a noun meaning “time” or “moment.” In grammar, it is used to connect two clauses and express the idea of “when” — describing the circumstances or timing under which something happens or happened.
💡 とき is a noun, not a conjunction. This is an important distinction from English “when.” Because とき is a noun, the clause that precedes it must modify it like an adjective modifies a noun — using the plain (dictionary) form of the verb, not the polite form.
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