+ Tính từ ngắn : Sharp , Clever, Sweet  , Close, Nice, Light, Big, Hot, Easy, Happy  , ...
+ Tính từ dài : Expensive, Intelligent. Beautiful, Narrow, Pleased ,....

Tính từ ngắn: Long, short, tall, old, new, high, shape, cheap, wide, safe, bad, good, clean, nice, close, hot, big, small, light, thin
Tính tử dài:   Beautiful, interesting, harmful, expensive, exciting, boring, convenient, comfortable, amazing, plentiful, abundant, dangerous, intelligent, stupid, hospitable, entertaining, colourful, simple, difficult, different

20 tính từ ngắn:
Short 
Sweet 
Clever 
Sharp
sharper 
he sharpest
Light
lighter
the lightest
Nice
nicer
the nicest
Close
closer
the closest
Hot
hotter
the hottest
Big
bigger