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Grammar detail: question words

question words
641 words
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Understanding question words is one of the most important steps in building real communication skills in Japanese. In this article, we introduce the core Japanese question words. These words allow you to ask for basic information, keep conversations going, and respond naturally in everyday situations.

What, Who, Where

Question WordMeaning
何 (なに/なん)what
だれwho
どこwhere
何 (なに, なん) - What
Both なに and なん mean “what”and the kanji 何 can be read as either なに or なん depending on the situation.
  • なに is more common before particles
  • なん is used before です or counters
なに
みます

What will you have to drink?
なに
しい
です
What do you want?
なまえ
名前
なん
です useful
What's your name?
あれ
なん
です
What is that?
なんにん
何人
です
How many people?
だれ - Who
あの
ひと
だれです
Who is that person?
だれ
ます

Who is coming?
どこ - Where
〇〇どこです
Where is 〇〇?
えき
どこです
Where is the railroad station?
どこ
きます

Where are you going?

Timing and reason - When, Why

Question WordMeaning
いつwhen
どうしてwhy (daily speech)
なぜwhy (more formal)
なんでwhy (very casual and common)
いつ - When
いつ
きます

When will you go?
たんじょうび
誕生日
です
When is your birthday?
どうして, なぜ, なんで - Why
どうして
そと
まっています
Why are you waiting outside?
なぜ
きのう
昨日
やす
みました

Why were you absent yesterday?
なんで

Why do you ask?

Which - three words meaning 'which' and when to use them

In Japanese, there are three common ways to say “which”: どちら, どれ and どの. While they all relate to choosing, they are used in different situations. Understanding these differences will help you ask questions more naturally and accurately.
Question WordMeaning
どちらwhich (two options)
どれwhich (three or more options)
どのwhich (used before a noun)
どちら - Which (between two options)
When どちら means 'which', it is always used to refer to two items or options.
この
ほん
あの
ほん
どちら
です
Which do you like, this book or that book?
The question will be about two items or options even when they are not specified.
どちら
べます

Which will you eat?
In casual speech どちら, it is often shortened to どっち.
うみ
やま
どっち

Which do you like better, the sea or the mountains?
どれ - Which (three or more options)
どれ is used to ask about three or more items or options.
どれ
います

Which one will you buy?
にほん
日本
いちばん
なが
かわ
どれです
Which river is the longest in Japan?
どの - Which (used before a noun)
どの is used before a noun, so it must always be followed by something (e.g. a person, place, or thing). It cannot be used on its own.
どのスポーツ
いちばん
一番
です
What sport do you like best?
どのケーキします
Which cake are you getting?

How

“How” can have different meanings depending on the context. In Japanese, there are several ways to express it, but in the early stages of learning, どう and どうやって are the most useful. Both are common in everyday conversation and worth learning early.
Question WordMeaning
どうhow (is/was something)
どうやってhow (by what means)
どう - How (asking how something is or was)
どう is used to ask about condition, state, or opinion. It is often used with です to ask how something is.
どうです
How is it?
にほん
日本
どうでした
How was Japan?
Depending on the context どう can also be used to ask 'how is something going' or 'how did something go'.
スピーチどうでした
How did your speech go?
どうやって - How (asking 'how to do' something)
どうやって, is used when asking about the method or way of doing something, or 'by what means' a person traveled, an item is transported, etc.
これどうやってつかいます
How do you use this?
きのうどうやってかえりました
How did you get home yesterday?
なに
is another common way to ask how someone travels somewhere.
Take care not to confuse
なに
で, with
なん
で. While the kanji for both is identical,
なに
で is to ask by what means someone travels.
なん
で is a casual word for 'why'.
なに
かえ

How are you getting home?

Numbers, quantity and time

Question WordMeaning
いくつhow many
いくらhow much
何歳 (なんさい)how old
何時 (なんじ)what time
いくつ - How many
In Japanese, there are many specific "counters" used for different types of objects, which means there are various ways to ask "how many." However, いくつ is a useful general-purpose word to learn first when you need to ask for a quantity of items.
りんごいくつあります
How many apples are there?
クラス
がくせい
学生
いくついます
How many students are in the class?
ケーキいくつ
いました

How many cakes did you buy?
いくら - How much
いくらです useful
How much is it?
これいくらです useful
How much is this?
バス
りょうきん
料金
いくらです
How much is the bus fare?
なんさい
何歳
- How old
なんさい
何歳
です
How old are you?
あなた
とう
さん
なんさい
何歳
です
How old is your father?
To ask somebody's age politely use the expression おいくつですか. This is often used when speaking respectfully to or about adults, customers, or people you do not know well.
あなた
とう
さん
いくつです
How old is your father?
なんじ
何時
- What time
いま
なんじ
何時
です
じゅう
10
です
"What time is it now?" "It's ten o'clock."
なんじ
何時
いえ
ます

What time do you leave the house?
なんじ
何時
おきました
What time did you get up?
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Kanji used in this grammar

カ   なに    なん what?   
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サイ   セイ    X years old, year-end   
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ジ   とき time, occasion   
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イン   の to drink   
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ヨク   ほしい want   ほっする to want   
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メイ   ミョウ   な name   
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ゼン   まえ before   
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ジン   ニン   ひと person   
ライ   く to come   きた to be forthcoming   きた to induce   
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circle; zero; placeholder
エキ    station   
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コウ   ギョウ   アン   ゆ    い to go   おこな to take place   
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タン    birth   
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セイ   ショウ    life   なま raw   いかす to enliven   いきる to live   いける to arrange flowers   うまれる to be born   う to give birth to   き pure, undiluted   お to grow, to sprout   はえる to grow, to sprout   はやす to grow, cultivate   
ニチ   ジツ   sun; day   ひ    -か    
ガイ   ゲ   そと outside   ほか other   はず to remove, mislead   はずれる to come off, to miss   
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サク    yesterday   
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キュウ   やす to rest   やすまる to be rested   やすめる to suspend (use etc.)   
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ブン   モン   き to listen, to hear   きこえる to be heard   
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ホン   book   もと origin   
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コウ   この    す to like   
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ショク   ジキ    food   たべる to eat   く to eat   
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カイ   うみ ocean   
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サン   やま mountain   
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バイ   か to buy   
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チョウ   なが long   
セン   かわ river   
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イチ   イツ   ひと    ひと- one   
バン    turn   
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キ   かえ to return   かえ to send back, give back   
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ガク   まな to learn   
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リョウ    fee   
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キン   コン   かね gold; money   
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フ   ちち father   
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コン   キン   いま now   
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カ   ケ   house   いえ    や    
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シュツ   スイ   だ to take out, to put out   で to go out, to exit   
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