`1`. What is the age of your mother `?`

`@` Hỏi tuổi:

`-` How old + tobe + S?

`=` What + tobe + the age of + S `?`

`2`. Miss Nga travels to Ha Noi by plane today.

`-` S + go to (chia theo thì) + place (địa điểm) + by phương tiện

`=` S + travel(theo thì) to + place (địa điểm) + by phương tiện

`3`. My house is the oldest in this street.

`@` Cấu trúc so sánh:

`-` No one/No + N(danh từ) + in (place) + tobe + adj-er/more adj + than + S

`=` S + tobe + the + adj-est + (noun) + in (place)