- You play **the guitar**. (**do play**)
  - Do you play **the guitar**?
    - **What** do you do? (play the guitar = do. What, put **what** at the beginning of the sentence)


- You have got **a camera** in your bag.   (**have got**)

  - Have you got **a camera** in your bag? (put **have** at the beginning of the sentence)

    - **What** have you got in your bag.(**a camera** = **what** , put **what **at beginning of the sentence)

- You have **a camera** in your bag. (**do have**)
  - Do you have **a camera** in your bag？(put **do** at the beginning of the sentence)
    - **What** do you have in your bag? (**a camera** = **what** , put **what** at the beginning of the sentence)