How to Say ‘Why did you come to this event?’ in Japanese
どうしてこのイベントに来ましたか。
dou shi te kono ibento ni ki mashi ta ka
[doh shee teh koh-noh ee-BEN-toh nee koh (as in 'kuru') mah-shee tah kah]
💬 Usage Tip: [どうして] asks “why.” For a softer tone, you can also use [なぜ] (more formal) or [なんで] (more casual).
🇯🇵 In Japan: Direct “why” questions can feel a bit strong; adding a friendly [ですか] tone or [よかったら] (“if you don’t mind”) can make it gentler.
Phrase Breakdown
どう
dou
[doh]
how; in what way (part of “why”)
In どうして, it combines with して to mean “why / for what reason.” Alone, どう is “how.”
どうして遅れましたか。
Why were you late?
し
shi
[shee]
do (verb stem); used in どうして
Part of the set word どうして (“why”). It comes from する (to do).
どうして来ないの。
Why aren’t you coming?
て
te
[teh]
-te form ending; used in どうして
In どうして, the て is part of the fixed expression meaning “why.”
どうしてここにいますか。
Why are you here?
この
kono
[koh-noh]
this (modifying a noun)
この must modify a noun: このイベント (“this event”).
どうしてこの店に来ましたか。
Why did you come to this shop?
イベント
ibento
[ee-BEN-toh]
event
“Event.” In conversation, it can mean a meetup, festival, or special occasion.
どうしてこのイベントが好きですか。
Why do you like this event?
に
ni
[nee]
to; at (destination particle)
Marks the place you come/go to: イベントに来ました (“came to the event”).
駅に来ました。
I came to the station.
来
ki
[koh (as in 'kuru')]
come (kanji for 来る)
The kanji base for the verb 来る (くる, to come). In polite past, it becomes 来ました.
日本に来ました。
I came to Japan.
まし
mashi
[mah-shee]
polite verb stem part of 〜ました
Part of the polite past ending 〜ました. It makes a verb polite.
昨日行きました。
I went yesterday.
た
ta
[tah]
past tense ending (polite)
た completes the polite past form 〜ました (“did / came”).
朝ごはんを食べました。
I ate breakfast.
か
ka
[kah]
question marker
Placed at the end to ask a question politely: 来ましたか (“Did you come?”).
来ましたか。
Did you come? / Have you arrived?
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