* So sánh hơn : ( Tính từ ngắn )

$\text{S1 + tobe + adj-er + than + S2}$

* So sánh nhất : ( Tính từ ngắn )

$\text{S + tobe + the + adj-est +...}$

Áp dụng :

$\text{1.}$ London is smaller than Tokyo .

$\text{2.}$ Mexico city is the biggest in the world .

$\text{3.}$ African elephant is larger than brown bear .

$\text{4.}$ Blue Whale is the biggest animal in the world .

$\text{5.}$ Petronas Twin is taller than Sears Tower .

$\text{6.}$ Burj Khalifa in Dubai is the tallest building in the world .

$\text{7.}$ Lion is faster than Elk .

$\text{8.}$ Cheetah is the fastest animal in the world .

$\text{9.}$ Yellow River is longer than Red River .

$\text{10.}$ The Nile River is the longest in the world .