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English Language

Degrees of Comparison — Interchange Rules (ICSE Class 10)

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May 7, 2026 • Study Resource

📘 Introduction

Degrees of Comparison are used to compare people, places, animals, or things. In ICSE English Language Paper 1, students are often asked to transform sentences from one degree to another without changing the meaning.

The three degrees are:

Degree Example
Positive Degree Rahul is as tall as Aman.
Comparative Degree Rahul is taller than Aman.
Superlative Degree Rahul is the tallest boy in the class.

📘 Types of Degrees

1. Positive Degree

Shows equality between two persons or things.

Structure:

as + adjective + as

Examples:

  • Riya is as intelligent as Neha.
  • This road is not as wide as that road.

2. Comparative Degree

Compares two persons or things.

Structure:

adjective + er + than

OR

more + adjective + than

Examples:

  • Riya is more intelligent than Neha.
  • This road is wider than that road.

3. Superlative Degree

Compares more than two persons or things.

Structure:

the + adjective-est

OR

the most + adjective

Examples:

  • Riya is the most intelligent girl in the class.
  • Mount Everest is the highest peak in the world.

📘 Interchange Rules

🔹 Rule 1: Positive → Comparative

Structure:

No other + noun + is/as + adjective + as

⬇

Comparative form + than any other

Example:

  • Positive: No other city in India is as crowded as Mumbai.
  • Comparative: Mumbai is more crowded than any other city in India.

🔹 Rule 2: Comparative → Positive

Structure:

Comparative + than any other

⬇

No other + noun + as + adjective + as

Example:

  • Comparative: Iron is more useful than any other metal.
  • Positive: No other metal is as useful as iron.

🔹 Rule 3: Comparative → Superlative

Structure:

Comparative + than any other

⬇

the + superlative degree

Example:

  • Comparative: Rahul is taller than any other boy in the class.
  • Superlative: Rahul is the tallest boy in the class.

🔹 Rule 4: Superlative → Comparative

Structure:

the + superlative

⬇

Comparative + than any other

Example:

  • Superlative: Shakespeare was the greatest dramatist.
  • Comparative: Shakespeare was greater than any other dramatist.

🔹 Rule 5: Superlative → Positive

Structure:

the + superlative

⬇

No other + noun + as + adjective + as

Example:

  • Superlative: Everest is the highest mountain in the world.
  • Positive: No other mountain in the world is as high as Everest.

📘 Important Notes

✅ Use “any other” for singular nouns

  • Delhi is bigger than any other city in India.

✅ Use “all other” when comparing with plural subjects

  • India is stronger than all other teams.

✅ Remove “the” while converting into Comparative

  • The tallest → taller than any other

✅ Meaning must remain unchanged

Only structure changes, not meaning.

📘 Irregular Degrees

Positive Comparative Superlative
good better best
bad worse worst
little less least
many more most
far farther/further farthest/furthest

📘 Common Errors

❌ Incorrect:

  • Rahul is tallest than Mohan.

✅ Correct:

  • Rahul is taller than Mohan.

❌ Incorrect:

  • No other boy is taller than Rahul.

✅ Correct:

  • No other boy is as tall as Rahul.

📘 ICSE Board Style Practice Questions

Exercise A — Change into Comparative Degree

  1. No other metal is as useful as iron.
  2. Very few cities in India are as crowded as Mumbai.
  3. No other animal is as strong as the elephant.
  4. Very few players are as talented as Virat Kohli.
  5. No other river in India is as long as the Ganga.

Exercise B — Change into Positive Degree

  1. Rahul is taller than any other boy in the class.
  2. Gold is more precious than any other metal.
  3. Mount Everest is higher than any other peak.
  4. Riya is more intelligent than any other girl.
  5. The Nile is longer than any other river in Africa.

Exercise C — Change into Superlative Degree

  1. Rahul is taller than any other boy in the class.
  2. Gold is more precious than any other metal.
  3. Iron is more useful than any other metal.
  4. Shakespeare was greater than any other dramatist.
  5. The tiger is stronger than any other animal in the forest.

📘 Answers

✅ Exercise A

  1. Iron is more useful than any other metal.
  2. Mumbai is more crowded than most other cities in India.
  3. The elephant is stronger than any other animal.
  4. Virat Kohli is more talented than most other players.
  5. The Ganga is longer than any other river in India.

✅ Exercise B

  1. No other boy in the class is as tall as Rahul.
  2. No other metal is as precious as gold.
  3. No other peak is as high as Mount Everest.
  4. No other girl is as intelligent as Riya.
  5. No other river in Africa is as long as the Nile.

✅ Exercise C

  1. Rahul is the tallest boy in the class.
  2. Gold is the most precious metal.
  3. Iron is the most useful metal.
  4. Shakespeare was the greatest dramatist.
  5. The tiger is the strongest animal in the forest.

📘 Quick Revision Tricks

🔥 Positive → Comparative

  • as adjective as
    ⬇
  • comparative + than

🔥 Comparative → Superlative

  • than any other
    ⬇
  • the + superlative

🔥 Superlative → Positive

  • the tallest
    ⬇
  • no other as tall as

📘 Examination Tips

  • Read the sentence carefully before transformation.
  • Do not change the meaning.
  • Check singular/plural nouns carefully.
  • Remember irregular degrees.
  • Practice at least 10 transformations daily.


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