$\begin{array}{c} \color{#16a3db}{\texttt{#MPhuoc}} \end{array}$    

`1`. How often does Nam go to school?

`-` How often : hỏi về tần suất 

`-` HTĐ `(?)` (Wh_q) + do/does + S + V(bare) + O?

`2`. What is your mother doing in the kitchen?

`-` What : cái gì

`-` HTTD `(?)` (Wh_q) + tobe + S + V-ing + O?

`3`. How long are you going to stay in Ha Noi?

`-` How long : bao lâu

`-` TLG `(?)` (Wh_q) + tobe + S + going to + V(bare) + O

`4`. How much does that shirt cost?

`-` How much : bao nhiêu

`-` How much + do/does + N + cost?

`5`. How is Miss Lien's hair?

`-` How : như thế nào, bằng cách nào

`-` Wh_q + tobe + N?

βꭺᗝᰔ﹏

`1`. How often does Nam go to school?

$-$ ''6 days a week'' $⇒$ How often ''hỏi về thg xuyên''

$-$ Wh $+$ do/does $+$ S $+$ V inf $+$ O...?

`2`. What is your mother doing in the kitchen?

$-$ ''is cooking'' $⇒$ HTTD:

$-$ Wh $+$ am/is/are $+$ S $+$ V-ing $+$ O

$-$ Vì là câu hỏi nên chuyển từ ''my mother'' `⇒` ''your mother''

`3`. How long are you going to stay in HN?

$-$ ''for a week'' $⇒$ How long (Bao lâu)

`@` TLG:

$-$ Wh $+$ am/is/are $+$ S $+$ going to $+$ V inf...?

`4`. How much does that dress cost?

$-$ ''How much'' dùng để hỏi về giá tiền

$-$ How much $+$ do/does $+$ S $+$ cost...?

`5`. How is Miss Lien's hair?

$-$ ''is dark'' $⇒$ How (nhìn như thế nào)

$-$ How $+$ tobe $+$ sb $+$ sth...?

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