Cấp so sánh hơn tính từ dài:
1. The Nile River is longer than the Amazon River.
2. My sister is taller than me.
3. This book is more interesting than the one I read last week.

Cấp so sánh nhất tính từ dài:
1. Mount Everest is the tallest mountain in the world.
2. This is the most delicious cake I have ever tasted.
3. She is the smartest student in our class.