`1`.Hoa is the most beautiful person in our class

`\rightarrow` So sánh nhất : S + is / am / are + the adj-est / the most adj ( `1 - 3` )

`2`.HCM City is the most exciting city in Viet Nam

`3`.Nam is the most intelligent person in our class

`4`.I haven't seen Linda for two weeks

`\rightarrow` Thì HTHT ( PĐ ) : S + haven't / hasn't + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : for

`5`.My sister has worked in that factory since 2017

`\rightarrow` Thì HTHT : S + have / has + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : since

`\text{# Kirigiri}`

`1.` Hoa is the most beautiful in our class.

*Không ai trong lớp chúng tôi xinh đẹp hơn Hoa `=>` Hoa xinh đẹp nhất trong lớp tôi.

`=>` Cấu trúc So sánh nhất:

Short Adj : S + be + the + adj + est + in/of/...

Long Adj : S + be + the + most + adj + in/of/...

`2.` HCM city is the most exciting city in Viet Nam.

`=>` Cấu trúc So sánh nhất:

Short Adj : S + be + the + adj + est + in/of/...

Long Adj : S + be + the + most + adj + in/of/...

`3.` Nam is the most intelligent in our class.

`=>` Cấu trúc So sánh nhất:

Short Adj : S + be + the + adj + est + in/of/...

Long Adj : S + be + the + most + adj + in/of/...

`4.` I haven't seen Linda for two weeks.

`=>` The last time + S + V2(ed/BQT) + was + khoảng thời gian + ago.

`=` S + have/has + not + V3(ed/BQT) + for + khoảng thời gian.

`5.` My sister has worked in that factory since 2017.

`=>` S + started + Ving + .... + in + mốc thời gian.

`=` S + has/have + V3(ed/BQT) + ... + since + mốc thời gian.