Wh - Type Question

1) Subject  - Who/Which

2) object -  What/Whom

3) Verb - What + doing

4) Adjective - What type of / What sort of

5) place - Where

6) Time - When

7) Reason/purpose - Why

8) Manner - How

9) Distance - How far 

10) Length of time - How long

11) Number ( countable ) - How many

12) Uncountable - How much

13) Profession - What 

FORMULA

Wh - Question + helping-V  + S + V + O + ?

EXAMPLE:

1) Mohan is writing a letter.

Question : Who is writing a letter?

2) Rahul was reading a book.

Question : Who was reading a book?

3) He was reading a book.

Question : what was he reading?

4) Mohan is writing a letter.

Question : What is Mohan writing?

5) Shankar is playing.

Question : What is shankar doing?

6) It was founded in 1336 AD

Question : When was it founded?

Wh - Type Question