1. What Is Degree of Comparison?
Degree of comparison is a grammatical form used to compare the qualities, characteristics, or abilities of people, animals, places, and things. It helps us describe whether something has a certain quality, whether it has more of that quality than something else, or whether it has the highest degree of that quality among several things.
In English, degree of comparison is commonly formed by using adjectives or adverbs. For example, we can compare the height of two students, the speed of two animals, or the beauty of different places.
There are three main types of degree of comparison: positive degree, comparative degree, and superlative degree. Each type has a different function and sentence structure.
Understanding these three forms will help students describe things more accurately and make comparisons in everyday conversations.
2. The Types of Degree of Comparison
A. Positive Degree
The positive degree is used to describe a quality without comparing one person or thing as superior or inferior to another. It can also be used to show that two people or things have the same degree of a particular quality.
Common pattern:
Subject + be + as + adjective + as + noun/pronoun.
Examples:
- Rina is as tall as Dina.
- This book is as interesting as that book.
- My bag is as heavy as yours.
These sentences show that the two people or things have the same degree of the quality being described.
To express an unequal degree, we can use not as … as.
Examples:
- This room is not as large as that room.
- My bicycle is not as expensive as yours.
B. Comparative Degree
The comparative degree is used to compare two people, animals, places, or things. It shows that one has a greater or lesser degree of a particular quality than the other.
For many short adjectives, we add -er and use than. For longer adjectives, we generally use more before the adjective.
Common patterns:
- Subject + be + adjective-er + than + noun/pronoun.
- Subject + be + more + adjective + than + noun/pronoun.
Examples:
- Andi is taller than Budi.
- A cheetah is faster than a horse.
- This book is more interesting than that one.
- Mathematics is more difficult than the last exercise.
To show a lesser degree, we can use less before an adjective.
Example:
- This bag is less expensive than that bag.
Comparative forms help us explain differences between two things clearly.
C. Superlative Degree
The superlative degree is used to show that someone or something has the highest or lowest degree of a quality within a group of three or more.
For many short adjectives, we add -est and usually use the. For longer adjectives, we generally use the most before the adjective.
Common patterns:
- Subject + be + the + adjective-est + noun/group.
- Subject + be + the most + adjective + noun/group.
Examples:
- Mount Everest is the highest mountain in the world.
- Rina is the tallest student in her class.
- This is the most interesting book in the library.
- She is the most diligent student in the group.
To express the lowest degree, we can use the least.
Example:
- This is the least expensive item in the store.
Superlative forms are useful when identifying the extreme quality of someone or something within a group.
3. Rules for Forming Comparative and Superlative Adjectives
The forms of comparative and superlative adjectives depend on the spelling and length of the adjective.
A. One-Syllable Adjectives
For most one-syllable adjectives, add -er for the comparative form and -est for the superlative form.
| Positive | Comparative | Superlative |
|---|---|---|
| Tall | Taller | The tallest |
| Short | Shorter | The shortest |
| Fast | Faster | The fastest |
| Small | Smaller | The smallest |
| Young | Younger | The youngest |
Examples:
- My brother is taller than me.
- A cheetah is one of the fastest land animals.
- This is the smallest box in the room.
B. Adjectives Ending in -e
For adjectives ending in -e, add -r or -st.
| Positive | Comparative | Superlative |
|---|---|---|
| Large | Larger | The largest |
| Nice | Nicer | The nicest |
| Wide | Wider | The widest |
| Safe | Safer | The safest |
Examples:
- This classroom is larger than ours.
- That is the largest building in the area.
C. Adjectives Ending in a Consonant + y
For adjectives ending in a consonant followed by -y, change y to i before adding -er or -est.
| Positive | Comparative | Superlative |
|---|---|---|
| Happy | Happier | The happiest |
| Easy | Easier | The easiest |
| Busy | Busier | The busiest |
| Heavy | Heavier | The heaviest |
Examples:
- Today, I feel happier than yesterday.
- This question is easier than the previous one.
- He is the busiest person in the office.
D. Short Vowel + Consonant
For many short adjectives ending in a consonant preceded by a single vowel, double the final consonant before adding -er or -est.
| Positive | Comparative | Superlative |
|---|---|---|
| Big | Bigger | The biggest |
| Hot | Hotter | The hottest |
| Thin | Thinner | The thinnest |
| Fat | Fatter | The fattest |
Examples:
- An elephant is bigger than a goat.
- Today is hotter than yesterday.
- This is the biggest room in the house.
E. Adjectives with Two or More Syllables
For most longer adjectives, use more for the comparative form and the most for the superlative form.
| Positive | Comparative | Superlative |
|---|---|---|
| Beautiful | More beautiful | The most beautiful |
| Expensive | More expensive | The most expensive |
| Difficult | More difficult | The most difficult |
| Interesting | More interesting | The most interesting |
| Comfortable | More comfortable | The most comfortable |
Examples:
- This painting is more beautiful than that one.
- This exercise is more difficult than the previous exercise.
- It is the most comfortable chair in the room.
Do not use more and -er together for the same adjective. For example, more taller is incorrect; the correct form is taller.
4. Irregular Forms of Degree of Comparison
Some adjectives have irregular comparative and superlative forms. Their forms do not follow the usual rules, so students need to memorize them.
| Positive | Comparative | Superlative |
|---|---|---|
| Good | Better | The best |
| Bad | Worse | The worst |
| Far | Farther/Further | The farthest/furthest |
| Little | Less | The least |
| Much/Many | More | The most |
Examples:
- This restaurant is better than the one we visited yesterday.
- That was the worst movie I have ever watched.
- My house is farther from school than yours.
- She has more books than her brother.
- He made the least number of mistakes.
Note that farther is often used for physical distance, while further can also refer to additional information or degree. Both may be used for distance in many varieties of English.
5. Using Degree of Comparison in Sentences
Degree of comparison can be used in many everyday situations.
A. Comparing People
- Positive: Sinta is as friendly as Rani.
- Comparative: Sinta is friendlier than Rani.
- Superlative: Sinta is the friendliest student in the class.
B. Comparing Animals
- Positive: A rabbit is not as big as a dog.
- Comparative: A dog is bigger than a rabbit.
- Superlative: An elephant is one of the biggest land animals.
C. Comparing Places
- Positive: This park is as beautiful as that park.
- Comparative: This park is more beautiful than that park.
- Superlative: This is the most beautiful park in the city.
These examples show how adjectives change depending on the purpose of the comparison.
6. Common Mistakes in Degree of Comparison
Students sometimes make mistakes when forming comparative and superlative adjectives. Here are some common errors and their corrections.
Mistake 1: Using Both More and -er
Incorrect: My brother is more taller than me.
Correct: My brother is taller than me.
Use either -er or more, depending on the adjective.
Mistake 2: Forgetting The in Superlative Forms
Incorrect: She is smartest student in the class.
Correct: She is the smartest student in the class.
Superlative adjectives are generally preceded by the when used in this structure.
Mistake 3: Using the Wrong Irregular Form
Incorrect: This book is gooder than that one.
Correct: This book is better than that one.
The comparative form of good is better, not gooder.
Mistake 4: Using Than with a Superlative
Incorrect: He is the tallest than his brother.
Correct: He is taller than his brother.
Use than with comparative forms, not in this superlative structure.
7. Practice Questions
Choose the correct answer to complete each sentence.
- My house is _____ than yours.
- A. big
- B. bigger
- C. biggest
- D. the bigger
- This is _____ book I have ever read.
- A. interesting
- B. more interesting
- C. the most interesting
- D. most interesting than
- A train is generally _____ than a bicycle over long distances.
- A. fast
- B. fastest
- C. faster
- D. the faster
- Today is _____ than yesterday.
- A. hot
- B. hotter
- C. hottest
- D. the hottest than
- Rina is as _____ as her sister.
- A. taller
- B. tallest
- C. tall
- D. the tallest
- This is _____ restaurant in our town.
- A. good
- B. better
- C. the best
- D. best than
- English is _____ for me than it was last year.
- A. easy
- B. easiest
- C. easier
- D. the easiest
- Of all the bags in the store, this one is _____.
- A. expensive
- B. more expensive
- C. the most expensive
- D. most expensive than
Answer Key
- B. bigger
- C. the most interesting
- C. faster
- B. hotter
- C. tall
- C. the best
- C. easier
- C. the most expensive
8. Conclusion
Degree of comparison is an essential part of English grammar that allows us to describe and compare the qualities of people, animals, places, and things. It consists of three main forms: positive degree, comparative degree, and superlative degree.
To use these forms correctly, students need to understand the rules for adding -er and -est, using more and the most, and recognizing irregular adjectives such as good, better, and best.
By learning the patterns and practicing with different examples, students can improve their grammar skills and express comparisons more naturally in everyday English.
