`1.` My sister is a $\text{fast runner.}$

`-` Cấu trúc: S + be/ V + adv = S + be + (a/an) + adj + N

`2`. Students at our school take $\text{part in a lot of outdoor activities.}$

`-` Cấu trúc: take part in: tham gia hoạt động gì

`3.` How much $\text{does a cake cost?}$

`-` Cấu trúc: What + be + the price + of + N?

                  = How much + aux (trợ động từ) + N + cost?

`4.` Have you $\text{been to Paris before?}$

`-` Cấu trúc: Is this the first time + V...?

                  = Have + S + Pii + before?

`5.` Huong is the $\text{most hard-working in my class.}$

`-` Cấu trúc: S + be + more adj(dài)/ adj(ngắn)-er than anyone
               or: No one + be + more adj(dài)/ adj(ngắn)-er than + S

                = S + be + the most adj(dài)/ adj(ngắn)-est...

$\text{@Bulletproof}$

$@dream$

`1,` My sister is a fast runner.

`->` S + can + Vinf + adv

`=` S + to be + adj + N

`->` run (v): chạy `=>` runner (n): người chạy

`->` fast (adv): nhanh `=>` fast (adj): nhanh

`2,` Students at our school take part in a lot of outdoor activities.

`->` take part in (v): tham gia

`3,` How much does a cake cost?

`->` What + to be + the price of + S?

`=` How much + aux V + S + cost?

`=>` Hỏi về giá cả

`4,` Have you ever been in Paris?

`->` Is this your first time + ...?

`=` Have you ever + Vpp + ...?

`5,` Huong is the most hard-working in my class.

`->` No one ... + so sánh hơn

`=` So sánh hơn nhất.