Mastering Comparative and Superlative Adjectives: B1 English Grammar — B1 English grammar lesson by Langcom

Mastering Comparative and Superlative Adjectives: B1 English Grammar

劳尔-马吉尼亚

Langcom 创始人 | 剑桥考试和SIELE考试考官

9 月 20, 2026

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Comparative and superlative adjectives help us compare things in English. 我们使用 comparative adjectives to show differences between two items or people. For example, My car is faster than your car. We often add -er to short adjectives or use more for longer ones, always followed by than. On the other hand, superlative adjectives describe one item that has the most or least of a quality within a group of three or more. For instance, This is the fastest car in the race. We typically add -est to short adjectives or use most for longer ones, always preceded by the. Understanding these forms is key for clear comparisons in everyday English and for B1 exams.

What Are Comparative Adjectives?

Comparative adjectives help us compare two nouns (people, places, or things). They show which one has more of a specific quality.

我们使用 comparative adjectives to say that one thing is different from another. We often use the word than after the adjective.

  • For short adjectives (one syllable), we usually add -er. 例如,, tall 变成 taller.
  • For longer adjectives (two or more syllables), we use more before the adjective. For example, expensive 变成 more expensive.

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What Are Superlative Adjectives?

Superlative adjectives describe one noun that has the highest or lowest degree of a quality within a group of three or more.

They tell us which item is “the most” or “the least” of something. We always use the before a superlative adjective.

  • For short adjectives, we usually add -est. 例如,, tall 变成 the tallest.
  • For longer adjectives, we use most before the adjective. For example, expensive 变成 the most expensive.

How Do We Form Comparative and Superlative Adjectives?

The way we form comparativesuperlative adjectives depends on the number of syllables in the base adjective.

There are some general rules to follow, but also a few irregular forms you need to learn.

  • One-syllable adjectives: 添加 -er for comparative and -est for superlative.
    • coldcoldercoldest
  • One-syllable adjectives ending in -e: 添加 -r for comparative and -st for superlative.
    • largelargerlargest
  • One-syllable adjectives ending in consonant + vowel + consonant: Double the final consonant, then add -er-est.
    • hothotterhottest
  • Two-syllable adjectives ending in -y: Change yi, 然后添加 -er-est.
    • happyhappierhappiest
  • Adjectives with two or more syllables (not ending in -y): 使用 more for comparative and most for superlative.
    • beautifulmore beautifulmost beautiful
  • Irregular adjectives: These do not follow the rules and must be memorized.
    • goodbetterbest
    • badworseworst
    • farfarther/furtherfarthest/furthest
Rules for Forming Comparative and Superlative Adjectives
Adjective Type 基本形式 比较级 Superlative Form
One-syllable small smaller smallest
One-syllable ending in -e nice nicer nicest
One-syllable CVC (consonant-vowel-consonant) big bigger biggest
Two-syllables ending in -y easy easier easiest
Two or more syllables important more important most important
Irregular good better best
Irregular bad worse worst

示例

  • My new phone is faster than my old one.
  • This book is more interesting than the movie.
  • She is the happiest person I know.
  • Mount Everest is the highest mountain in the world.
  • Learning English is more difficult than learning Spanish for some people.
  • That was the worst meal I’ve ever had!
  • He is the most intelligent student in the class.
  • Today’s weather is better than yesterday’s.

练习

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西班牙语母语者常犯的错误

讲西班牙语的人在处理以下内容时有时会犯一些特定的错误: comparativesuperlative adjectives:

  • 使用 more-er: In Spanish, you might say “más rápido”. In English, do not combine more-er.
    • INCORRECT: My car is more faster than yours.
    • CORRECT: My car is faster than yours.
  • Forgetting thanthe: These small words are essential for correct comparisons.
    • INCORRECT: This book is more interesting that movie. (Missing than)
    • CORRECT: This book is more interesting than that movie.
    • INCORRECT: She is happiest person I know. (Missing the)
    • CORRECT: She is the happiest person I know.
  • Applying -er/-est to long adjectives: 请记得使用 more/most for adjectives with two or more syllables (unless they end in -y).
    • INCORRECT: This is the beautifulest painting.
    • CORRECT: This is the most beautiful painting.

常见问题

What is the main difference between comparative and superlative adjectives?

Comparative adjectives compare two things (taller than, more interesting than). Superlative adjectives compare one thing to a group of three or more, showing it has the most of a quality (the tallest, the most interesting).

Can I use “more” with short adjectives like “big”?

不,你不应该使用 more with short adjectives. For big, the comparative is bigger, 而不是 more big.

How are comparative and superlative adjectives tested in the B1 Preliminary exam?

In the B1 Preliminary exam, you might find questions about comparativesuperlative adjectives in the Reading and Writing parts, especially in tasks like “Open Cloze” or “Word Formation” where you need to choose the correct form of an adjective to complete a sentence.

Are there any adjectives that can use both -er/-est and more/most?

Yes, some two-syllable adjectives, especially those ending in -ow, -le, 或 -er, can sometimes use both forms. For example, clever can be cleverermore clever, , 和 cleverestmost clever. However, the -er/-est forms are often more common for these.

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关于作者:劳尔·马吉尼亚

劳尔·马吉尼亚是Langcom教育协会的主任,该协会是位于 美国. 凭借在语言教育和国际认证领域十余年的经验,他已帮助来自25个国家的数千名学生、教师和教育机构考取了剑桥英语证书以及IELTS、TOEFL和Michigan英语证书。.

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