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

Mastering Comparative and Superlative Adjectives (B1 English Grammar)

Raúl Maguiña

Fundador da Langcom | Examinador dos exames de Cambridge e SIELE

setembro 26, 2026

B1✏️ Gramática⏱️ 6 min de leitura📅 Atualizado em setembro de 2026
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Comparative and superlative adjectives help you compare people, places, or things in English. You use comparative adjectives to show a difference between two items, like My car is faster than yours. They usually end in -er for short adjectives (e.g., taller) or use more for longer ones (e.g., more interesting), and are typically followed by than. Superlative adjectives describe one item that has the highest or lowest degree of a quality within a group, such as That is the fastest car in the race. They typically end in -est (e.g., tallest) or use most (e.g., most interesting), and are always preceded by the. Mastering these forms is essential for clear B1 English communication and for exams like the B1 Preliminary.

What are Comparative Adjectives?

Comparative adjectives help us compare two people, places, animals, or things. They show which one has more or less of a particular quality.

Utilizamos comparative adjectives to highlight a difference. For example, My brother is taller than me.

  • Para a maioria dos adjetivos curtos, acrescentamos -er (e.no-translation>g., tall torna-se taller).
  • For longer adjectives (usually two or more syllables), we use more before the adjective (e.no-translation>g., interesting torna-se more interesting).
  • Sempre use than after the comparative adjective when you mention the second item in the comparison. For example, This book is more exciting than that one.

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O que são adjetivos superlativos?

Superlative adjectives describe one item that has the highest or lowest degree of a quality within a group of three or more. They show something is unique or extreme.

Utilizamos superlative adjectives to say something is 'the most' or 'the least' of its kind. For instance, Mount Everest is the highest mountain in the world.

  • Para a maioria dos adjetivos curtos, acrescentamos -est (e.no-translation>g., tall torna-se tallest).
  • Para adjetivos mais longos, usamos the most before the adjective (e.no-translation>g., interesting torna-se the most interesting).
  • Sempre use the before the superlative adjective. Por exemplo, She is the smartest student in the class.

How Do We Form Comparative and Superlative Adjectives?

The way we form comparative e superlative adjectives depends on the number of syllables in the base adjective. Here are the main rules:

  • Most One-Syllable Adjectives: Add -er for comparative and -est for superlative.
    • Exemplo: small → smaller → smallest
  • Adjectives Ending in -e: Add -r for comparative and -st for superlative.
    • Exemplo: large → larger → largest
  • Short Adjectives with Vowel + Consonant: Double the final consonant, then add -er ou -est.
    • Exemplo: hot → hotter → hottest
  • Two-Syllable Adjectives Ending in -y: Change y para i, then add -er ou -est.
    • Exemplo: heavy → heavier → heaviest
  • Some Two-Syllable Adjectives (e.no-translation>g., ending in -ow, -le, -er, or words like polite, quiet, common, stupid): You can often use both forms.
    • Exemplo: polite → politer OU more polite → politest OU the most polite
  • Longer Adjectives (two or more syllables, or ending in -ful): Uso more for comparative and the most for superlative.
    • Exemplo: beautiful → more beautiful → the most beautiful

Refer to the table below for more examples and a quick overview of these rules.

Rules for Forming Comparative and Superlative Adjectives
Regra Base Adjective Comparative Superlative
Most one-syllable adjectives: add -er ou -est. small smaller
Italy is smaller than Spain.
the smallest
Vatican City is the smallest country in the world.
Short adjectives ending in -e: add -r ou -st. large larger
Canada is larger than China.
the largest
Russia is the largest country in the world.
Short adjectives with vowel + consonant: double the consonant, add -er ou -est. hot hotter
Algeria is hotter than Mexico.
the hottest
Libya is the hottest country in the world.
Two-syllable adjectives ending in -y: change y para i, add -er ou -est. heavy heavier
Elephants are heavier than crocodiles.
the heaviest
Blue whales are the heaviest animals in the world.
Some two-syllable adjectives (e.no-translation>g., ending in -ow, -le, -er, ou polite, quiet, common, stupid): add -er/-est OR use more/the most. polite politer OU more polite
Mia is more polite than me.
politest OU the most polite
Mia is the most polite girl in the class.
Longer adjectives (two+ syllables, or ending in -ful): use more ou the most. beautiful more beautiful
This painting is more beautiful than that one.
the most beautiful
She wore the most beautiful dress.

Exemplos

  • The blue car is faster than the red car.
  • Mount Everest is the highest mountain in the world.
  • Italy is smaller than Spain.
  • Vatican City is the smallest country in the world.
  • Canada is larger than China.
  • Russia is the largest country in the world.
  • Algeria is hotter than Mexico.
  • Libya is the hottest country in the world.
  • Elephants are heavier than crocodiles.
  • Blue whales are the heaviest animals in the world.
  • Mia is more polite than me.
  • Mia is the most polite girl in the class.
  • Learning English is more interesting than learning Latin.
  • This is the most difficult exercise in the book.

Prática

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Common Mistakes for Spanish Speakers

When learning comparative e superlative adjectives, Spanish speakers often make a few common errors:

  • Usando more com -er: In Spanish, you always use más. In English, you choose one form.
    • Incorreto: This is more faster.
    • Correto: This is faster.
  • Forgetting than: After a comparative adjective, you must use than.
    • Incorreto: She is taller me.
    • Correto: She is taller than me.
  • Forgetting the with superlatives: The is always needed before a superlative adjective.
    • Incorreto: He is tallest student.
    • Correto: He is the tallest student.
  • Confuso -er/-est com more/most: Remember the rules for short vs. long adjectives.
    • Incorreto: This is difficulter.
    • Correto: This is more difficult.

Perguntas frequentes

What is the main difference between a comparative and a superlative adjective?

A comparative adjective compares two things (e.no-translation>g., bigger), while a superlative adjective compares one thing to a group of three or more, showing it is the extreme (e.no-translation>g., the biggest).

Are there any adjectives that don't follow these rules?

Yes, there are a few irregular adjectives like good (better, best) e bad (worse, worst). These must be learned separately.

Why is 'than' important after a comparative adjective?

Than is crucial because it clearly indicates the second item in your comparison. Without it, the sentence is incomplete or grammatically incorrect, like My house is bigger my friend's.

Why do I need 'the' before a superlative adjective?

The is used because a superlative adjective refers to a specific, unique item within a group. It's "the one" that stands out, like the tallest ou the most beautiful.

How can I practice comparative and superlative adjectives for the B1 Preliminary exam?

For the B1 Preliminary exam, you might find these in the Reading and Writing parts, especially in tasks like "Open Cloze" or "Word Formation." Practice identifying the correct form based on context and the number of items being compared.

Aulas relacionadas

Sobre o autor: Raúl Maguiña

Raúl Maguiña é diretor da Asociación Educativa Langcom, um centro autorizado de preparação para o Cambridge English em seu país. Com mais de uma década de experiência no ensino de idiomas e em certificações internacionais, ele já ajudou milhares de alunos, professores e instituições de ensino em 25 países a obter as certificações de inglês da Cambridge, IELTS, TOEFL e Michigan.

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