疑问词是用来构建疑问句的词语。疑问句是用来提出问题的语句。
Interrogative words are words used to construct interrogative sentences, and interrogative sentences are sentences used to raise questions.
现代汉语疑问词，由疑问代词、疑问语气词和疑问副词这三大类组成。
Modern Chinese interrogative words are composed of three categories: interrogative pronouns, interrogative particles and interrogative adverbs.
1、汉语疑问代词主要分为以下8类：
1. Chinese interrogative pronouns are mainly divided into the following 8 categories:
rén wù : shuí , shén me( rén) , nǎ gè rén , hé( rén)…
人物：谁、什么(人)、哪个人、何(人)…
People: who, what (person), who, who (person)…
shì wù : shén me (dōng xī/shì qíng) , hé( wù)
事物：什么(东西/事情)、何(物)…
Things: what (thing/thing), what (thing)…
shí jiān : jǐ(diǎn zhōng) , jǐ(fēn zhōng/tiān) , jǐ gè(xiǎo shí/xīng qī/yuè) , nǎ tiān , shén me(shí hòu/shí jiān)
时间：几(点钟)、几(分钟/天)、几个(小时/星期/月)、哪天、什么(时候/时间)…
Time: What (o’clock), how many (minutes/days), how many (hours/weeks/months), what day, what (time/time)…
chù suǒ : nǎ er , nǎ li , shén me(dì fang)
处所：哪儿、哪里、什么(地方)…
Location: where, where, what (place)…
shù liàng : jǐ(+liàng cí) , duō shao
数量：几(+量词)、多少…
Quantity: how many (+quantifier), how many…
fāng shì : rú hé , zěn yàng , zěn me yàng , yòng shén me fāng fǎ
方式：如何、怎样、怎么样、用什么方法…
Method: how, how, how, what method…
chéng dù : duō(+xíng róng cí)
程度：多(+形容词)…
Degree: how much (+adjective)…
yuán yīn : wèi shén me , wèi shá , shén me( yuán yīn/lǐ yóu)
原因：为什么、为啥、什么(原因/理由)…
Reason: why, why, what (reason/reason)…
2、疑问语气词主要有4个：吗、呢、吧、啊
2. There are four main interrogative particles: ma , ne , ba , a
3、疑问副词主要有10个：难道、岂、居然、竟然、究竟、简直、难怪、反倒、何尝、何必
3. There are mainly 10 interrogative adverbs: nán dào , qǐ , jū rán , jìng rán , jiū jìng , jiǎn zhí , nán guài , fǎn dào , hé cháng , hé bì
例句 Example Sentence：
huā píng jiū jìng shì bèi shuí dǎ suì de ne?
花瓶究竟是被谁打碎的呢？
Who actually broke the vase?