`1.` Mexico City is the biggest city in the world

`2.` My brother's room is bigger than my room

`3.` London is smaller than Tokyo 

`4.` Hung is shorter than Ba

`5.` Fansipan is the highest mountain in Viet Nam

`6.` Nam is the tallest boy in his class

`7.` Thoa is the most beautiful girl in the village

`8.` The pagoda is taller than the temple

`______________________`

`***` SSH:

`@` Tính từ ngắn: S +  tobe  +  adj_er  +  than  + S

`@` Tính từ dài: S +  tobe +  more  +  adj  +  than + S

`***` SSN:

`@` Tính từ ngắn:S  +  tobe  +  the  +  adj_est +...

`@` Tính từ dài: S  +  tobe  +  the  +  most+  adj+...

`1`. Mexico City is the biggest city in the world.

`2`. My brother’s room is bigger than my room.

`3`. London is smaller than Tokyo.

`4`. Hung is shorter than Ba.

`5`. Fansipan is the highest mountain in Viet Nam.

`6`. Nam is the tallest boy in his class.

`7`. Thoa is the most beautiful girl in the village.

`8`. The pagoda is the tallest temple.

`__________________________`

`***` So sánh hơn:

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

`***` So sánh hơn nhất:

   S + be + the + adj-est/most adj