WH-words are used to ask questions and gather specific information. Each WH-word asks about a different type of detail.

1️⃣ WH-Family Table (Easy & Clear)

WH-Word	Meaning / What it asks	Example Question	Expected Answer Type
What	Things / objects / information	What is this?	A thing / idea
Who	Person / people	Who is your best friend?	A person
Whom	Object person (formal)	Whom did you meet?	A person (receiver)
Whose	Possession (belongs to whom)	Whose book is this?	Owner's name
When	Time / date / moment	When is the meeting ?	Time or date
Where	Place / location	Where do you live?	Place
Why	Reason / purpose	Why are you late?	Reason
Which	Choice between options	Which color do you like?	One option from given choices
How	Way / manner / method	How do you cook rice?	Explanation of method
How much	Quantity (uncountable) / price	How much sugar do you need?	Amount / price
How many	Quantity (countable)	How many students are there?	Number
How long	Duration	How long will it take?	Time length
How far	Distance	How far is your school?	Distance
How old	Age	How old are you?	Age
How often	Frequency	How often do you exercise?	Repetition

2️⃣ WH-Question Structure (Simple Rule)

WH-word + Helping Verb + Subject + Main Verb + Object

Examples:

Where are you going?
Why did you call me?
When will they arrive?

3️⃣ WH-Questions in Present, Past, Future

Tense	Structure	Example
Present Simple	WH + do/does + subject + verb	Why do you study?
Past Simple	WH + did + subject + verb	When did he leave?
Future Simple	WH + will + subject + verb	Where will they go?
Present Continuous	WH + is/am/are + subject + verb+ing	What are you doing?
Past Continuous	WH + was/were + subject + verb+ing	Why were you crying?
Present Perfect	WH + has/have + subject + V3	How long have you lived here?

4️⃣ Special Note: WHO & WHAT as Subjects

Sometimes WH-words act as subjects → no helping verb needed.

Examples: