`5`.The Internet is used all over the world

`\rightarrow` BĐ `-` Thì HTĐ : S + is / am / are + V3 / PII ( by O )

`6`.Although the weather was bad , they decided to go out

`\rightarrow` Although + C1 + C2 : Mặc dù

`\rightarrow` Dùng để chỉ sự đối lập giữa 2 mệnh đề

`7`.Hoa is the most intelligent person in my class

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

`\text{# Kirigiri}`

People have used the Internet all over the world

→ The internet has  been usedall over the world

Nobody in my class is as intelling gent as Hoa

→ Hoa is the most intelling gent student in my class