what 的用法：
一、用作疑问代词，用来构成特殊疑问句：
1. 与表示人的名词或人称代词连用，用来提问对方或第三者的职业或身份。例如：
What is Comrade Liu? 刘同志是做什么的？
“What are you?” “I'm a worker.” “你是做什么的？”“我是工人。”
2. 与介词like连用，表示“怎么样”和“象什么”的意思。例如：
What is the weather like today? 今天天气怎么样？
What is the elephant's leg like? 大象的腿象什么？
What does your girlfriend look like? 你女朋友长得什么样？
3. 与about连用，用来表示征求意见或询问消息，表示“对于……怎么样”的意思。例如：
What (is your opinion) about going out for a walk? 我们出去散散步怎么样？
You didn't recognize your uncle at the station at once? What about your elder sister? 你在车站没有立即认出你叔叔？那你姐姐呢？
4. 与介词for连用，表示“为了什么目的”的意思。例如：
What will your father go to Beijing for? 你父亲去北京干什么？
二、用作疑问形容词：
1. 用来表示“多少”的意思。例如：
What does a Chinese-English dictionary cost? 买一本汉英辞典要多少钱？
What's the date today? 今天几号？
2. 用来构成感叹句，表示“多么”的意思。例如：
What a happy life we are living! (= What a happy life we are having!=What a happy life we are leading!=What a happy life we are enjoying!) 我们过着多么幸福的生活啊！
3. 用来说明名词，作前置定语，表示“什么”和“怎样的”的意思。例如：
What time is it by your watch? 你的表几点了？
What time do you get up every day? 你每天什么时间起床？
What size do you want? 你要多大尺寸的？
三、用作连接代词，用来引导主语从句，宾语从句和表语从句。例如：
What you said just now is very important. 你刚才说的很重要。（引导主语从句）
注：
1. “What ...is ...”是个强调句型，常译为“……的是……”，what通常作主语从句的宾语，有时也可作主语从句的主语。例如：
What troubles me most is that I don't know how to tell her the bad news. 最使我苦恼的是我不知道该怎样告诉她这个坏消息才好。
2. “is”后可接一般的表语，也可接表语从句。（如上面的两个例句）
I didn't understand what you had said. 我不理解你说的话。（引导宾语从句）
The question is what we can tell him. 问题是我们能告诉他什么。（引导表语从句）
此外，what可用在不定式前，和不定式一起在句中作宾语、主语或表语。例如：
I don't know what to do. 我不知道该做什么好。
What to do has not been decided yet. 做什么还未决定。
The question is what to do. 问题是做什么
where 的用法
【用法1】 where用作疑问副词, 在(往、从)哪里, 在什么地方:
Where are you? 你在哪儿?
Where did you get the computer (form)? 你从哪儿弄到这台电脑的?
Where did you study medicine? 你从哪儿学的医?
【用法2】where用作连接副词, 引导下列从句：
Where bees are, there is honey. 〔状语从句〕哪儿有蜜蜂哪儿就有蜜。
I’m going to do what I like and go where I like. 〔状语从句〕我要做我想做的事,去我想去的地方。
I wonder where she lives. 〔宾语从句〕我想知道她住在哪里。
It’s really no business of yours where I spend my summer. 〔主语从句〕
我真不知道她去哪儿了。
I really have no idea where she has gone.〔同位语从句〕我真不知道她去哪儿了。
The problem is where we should put the vase. 〔表语从句〕问题是我们把花瓶放在哪里呢。
【用法3】where用作关系副词,引导定语从句:
England is one of the few countries where (=in which) people drive on the left. 英国是少数沿左侧开车的国家之一。
We then moved to Paris, where we lived for six years. 我们后来搬到巴黎,在那里住了六年。
【用法4】where用于引申意义:
Where will all this trouble lead? ( =What result will it have? ) 这件麻烦的事会惹出什么结果?
The crisis has reached a point where the receiver will have to be called in.危机已经到达非把破产管理人叫来不可的地步。
Where others are weak, he is strong. 别人的弱点正是他的优势。
Where the money is, there’s the power. 有钱就有势。
Can you succeed where others failed? 别人干砸的事情， 你能干成吗？
【用法5】where引导名词性从句，相当于the place （point）where：
A bird had settled on a tree close to where I was standing. 鸟儿栖息在离我站的地方很近的一棵树上。
That’s where the battle took place. 那儿就是那场战役发生的地方。
The car is where you parked it. 车子还在你停放的地方。
That’s where we differ. 这就是我们的分歧所在。
That’s just where we basically disagree with him. 这就是我们同他的根本分歧点。
This is where we help each other. 我们就在这方面互相帮助。
who的用法
做疑问词，如who is he?
2.做定语从句引导词，如he is the person who likes swimming.
3.引导名词性从句，如it is he who likes swimming
how many的用法：询问数量，后跟名词复数。
如：How many pencils do you have？
谢谢了。但问题足小学四年级的题目。对引导词进行总结。
追答好的。what是对“什么”提问。who是对“谁”提问。where是对"地点“提问。how many 对可数名词提问。希望对你有帮助！