helpppppppppppppppppppppppppp thank you everyone so much

`1.` you do `->` do you

`-` when : khi nào

`->` hỏi thời gian

`2.` Does why `->` Why does

`-` why: tại sao 

`->` hỏi lí do

`3.` you `->` do you

`-` who : ai

`->` để hỏi người nào

`______________`

`***` HTĐ : `(?)`  (Wh...) +  Do/does+  S  +  V_inf  +  O?

`-` Do + I/you/we/they +  V_inf ?

`-` Does  +  he/she/it/DTSI+  V_inf?

1. When you do go to the office ?

-> you do =>  do you

 * Câu sau khi sửa : When do you go to the office ?   

2. Does why your brother like that film ?

 -> Does why => Why does

  * Câu sau khi sửa : Why does your brother like that film ?

3. Who you usually study with ?

  -> you  => do you

   * Câu sau khi sửa : Who do you study with ?