Explanation of comparative and superlative adjectives/adverbs usage.
Comparative:
1 A mouse is bigger than a rat.
2 Summer is earlier than noon.
3 Midnight is longer than a worm.
4 A snake is warmer than spring in the UK.
5 A tiger is more dangerous than a cat.
6 Ice is much colder than water.
7 A bicycle is more expensive than a car.
Superlative:
1 Avatar: the most successful film ever.
2 The Burj Khalifa in Dubai: the tallest building.
3 The blue whale: the heaviest mammal.
4 The Mariana Trench, Pacific Ocean: the deepest part of the ocean.
5 Usain Bolt: the fastest runner over 100 meters.
6 Chandra Bahadur Dangi from Nepal: the shortest man.
7 University of Bologna in Italy: the oldest university founded in 1088.
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