The following examples will show that it is possible to change the Degree of Comparison of an Adjective or Adverb in a sentence without changing its meaning.
Positive : He is as dull as an ass. Comparative : An ass is not duller than he is.
Comparative : The aero plane flies faster than birds. Positive : Birds do not fly as fast as the aero plane.
Comparative : The air of the hills is cooler than that of the plains. Positive : The air of the plains is not so cool as that of the hills.
Superlative : Mumbai is the best seaport in India. Comparative : Mumbai is better than any other seaport in India. Positive : No other seaport in India is so good as Mumbai.
Superlative : Asoka was one of the greatest of Indian rulers. Comparative : Asoka was greater than most other Indian rulers. Positive : Very few Indian rulers were so great as Asoka.
Positive : Some grains are at least as nutritious as rice. Comparative : Rice is not more nutritious than some other grains are. Comparative : Some grains are not less nutritious than rice. Superlative : Rice is not the most nutritious of all grains.
Positive : I have never seen so beautiful a pearl as this. Comparative : This pearl is more beautiful than any other that I have ever seen. Superlative : This is the most beautiful pear that I have ever seen.
Transform the following sentences in all possible ways according to the above models.
1. The younger brother is cleverer than the elder.
2. Riding is the best kind of exercise.
3. Gold is one of the heaviest of metals.
4. Some countries are at least as hot as India.
5. Very few countries are as hot as India.
6. Platinum is as heavy as gold.
7. A live ass is stronger than a dead lion.
8. A zebra is at least as swift-footed as an antelope.
9. She loves all her daughters equally well.
10. To take a sea voyage is one of the pleasantest ways of spending a holiday.
There are many more such sentences which can be transformed from one form of sentences to another form of sentence.