how much does your hat ? => ..what..... => how .....

How much does your hat cost ?

=> Thiếu cost nha bạn

=>What is the price of your hat ?

=>How much is your hat ?

`@` $\textit{Cấu trúc hỏi giá cả }$

`@` $\textit{How much + do /does + S + cost ? }$

`@` $\textit{= How much + tobe + S }$

`@` $\textit{= What is the price of + N ? }$

#anhanh