`1.` Ho Chi Minh city is different from Ha Noi.

- S1 + be + different from + S2

`2.` The country isn't so modern as the city.

- so thường đc dùng trong thể phủ địng

- S + be + not + so + adj + as + N/pronoun

`3.` This book is the same as that book.

- S + be + the same + (N) + as + N/pronoun

`4.` Lan is the tallest person in her family.

- S + be + the + adj-est + N/pronoun

`5.` John is the most careful member in the group.

- S + be + the + most + adj + N/pronoun 

`6.` Parachute is more dangerous than football.

- S1 + be + more + adj + than + S2