ポイント1: Place (で vs. に)
Use で for the place where an action or event occurs.
ポイント1: Place (で vs. に)
Use に for the place of existence or state. Cases such as things lining up somewhere or flowers blooming also use に.
ポイント2: Movement (を vs. に)
Use を for a route or area through which movement takes place.
ポイント2: Movement (を vs. に)
The destination is the endpoint or target of the action. Verbs directed toward that place use に.
ポイント3: Distinguishing に vs. と
• と: Discuss or consult together with someone, emphasizing mutual interaction.
• に: Turn to someone for advice or consultation. This is not an absolute superior/subordinate rule.
ポイント3: Distinguishing に vs. と
• と: Emphasizes meeting each other, often in an arranged or reciprocal meeting.
• に: Simply marks the person one meets; the meeting may be arranged or accidental, so に does not itself mean “by chance.”
ポイント3: Distinguishing から vs. に
The point or source from which something is taken out.
ポイント3: Distinguishing から vs. に
The point to which an object is returned, put, or gathered.
ポイント4: Purpose & Cause
For purpose, the meaning is “in order to do...” or “for...”.
• V[ます] + に + いきます / きます / かえります
• Noun + に + いきます / きます / かえります
ポイント4: Purpose & Cause
Use で to indicate a cause.
ポイント4: Means & Materials
Use で to indicate the means or method used to perform an action.
ポイント4: Means & Materials
• 材料 → で: Use when the original material is still recognizable in the finished product.
• 原料 → から: Use when the original raw material is no longer immediately recognizable.
• Additional examples: a wooden chair, whose wood remains recognizable → で; alcohol made from transformed ingredients that are not immediately recognizable → から.
ポイント5: Time Particles (Part 1)
• Specific time point → Use に
• 時間の始点 (starting point) → Use から
• 時間の終点 (ending point) → Use まで with continuous verbs.
ポイント5: Time Particles (Part 1)
Duration + で → Indicates the amount of time needed for something to happen or be completed.
ポイント5: Time Particles (Part 2)
Time expressions not fixed by a specific numerical time, such as けさ, きのう, 先週, 来月, 去年, 毎~, and いつ, do not use に.
ポイント5: Time Particles (Part 2)
A time deadline. The action must be completed before or no later than that point; passing the deadline is not acceptable.