Comparative & superlative adjectives/adverbs. Compare adjectives with -er/more and superlatives with -est/most.
The idea
Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
Structure & examples
This street is quieter than the main road.
This is the oldest house in our village.
Notice the pattern
Short adjectives often take -er and -est; longer ones usually take more and most. Some forms are irregular: good → better → best and bad → worse → worst. Use than for a comparison and usually the before a superlative.
This room is smaller than mine.
She is the oldest student here.
Important notes & common mistakes
Do not combine more and -er: quieter, not more quieter.
Before you practice
First choose a form from the options. Then produce it yourself using the word or structure in the instruction. Finally, build complete sentences. Check the explanation after each answer and revisit any mistakes in your review list.
Compare adjectives with -er/more and superlatives with -est/most. Most -ly adverbs use more/most. Good/well become better/best, and bad/badly become worse/worst. As + adjective/adverb + as expresses equality.
Examples in context
Notice how each form fits its sentence. Read the context before choosing a form.
She speaks more clearly than I do.
This is the shortest route.
He runs better than me. (well)
My bag is as heavy as yours.
Of all the students, Eva works the most carefully.
Your progress
Ready to move on?
Mark this lesson as studied when you have finished the explanation.
Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
My bag is ___ than yours.
Your answer: Unanswered
Correct answer: heavier
Completed sentence: My bag is heavier than yours. Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
This is the ___ café in town.
Your answer: Unanswered
Correct answer: best
Completed sentence: This is the best café in town. Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
The blue chair is ___ than the red one.
Your answer: Unanswered
Correct answer: more comfortable
Completed sentence: The blue chair is more comfortable than the red one. Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
Mia is the ___ person in our group.
Your answer: Unanswered
Correct answer: youngest
Completed sentence: Mia is the youngest person in our group. Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
Question 1 of 50% complete
This street is ___ than the main road.
Not quite. Keep learning.
Correct answer: quieter
Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
Not quite. Keep learning.
Correct answer: heavier
Completed sentence: My bag is heavier than yours. Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
Not quite. Keep learning.
Correct answer: best
Completed sentence: This is the best café in town. Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
Not quite. Keep learning.
Correct answer: more comfortable
Completed sentence: The blue chair is more comfortable than the red one. Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
Not quite. Keep learning.
Correct answer: youngest
Completed sentence: Mia is the youngest person in our group. Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
Not quite. Keep learning.
Correct answer: taller
Completed sentence: Use tall in the comparative: Ben is taller than his brother. Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
Not quite. Keep learning.
Correct answer: more expensive
Completed sentence: Use expensive in the comparative: This ticket is more expensive than that one. Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
Not quite. Keep learning.
Correct answer: worse
Completed sentence: Use bad in the comparative: The weather is worse today than yesterday. Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
Not quite. Keep learning.
Correct answer: fastest
Completed sentence: Use fast in the superlative: This is the fastest train. Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
Not quite. Keep learning.
Correct answer: most interesting
Completed sentence: Use interesting in the superlative: That was the most interesting talk of the day. Use -er or more to compare two things. Use the + -est or most for an extreme within a group.
Not quite. Keep learning.
Correct answer: This is the oldest house in our village
Use -er or more to compare two things. Use the + -est or most for an extreme within a group. Do not combine more and -er: quieter, not more quieter.
Not quite. Keep learning.
Correct answer: This room is smaller than mine
This room is smaller than mine. Use -er or more to compare two things. Use the + -est or most for an extreme within a group. Do not combine more and -er: quieter, not more quieter.
Not quite. Keep learning.
Correct answer: She is the oldest student here
She is the oldest student here. Use -er or more to compare two things. Use the + -est or most for an extreme within a group. Do not combine more and -er: quieter, not more quieter.
Not quite. Keep learning.
Correct answer: Today is better than yesterday
Today is better than yesterday. Use -er or more to compare two things. Use the + -est or most for an extreme within a group. Do not combine more and -er: quieter, not more quieter.
Not quite. Keep learning.
Correct answer: This is the most useful guide
This is the most useful guide. Use -er or more to compare two things. Use the + -est or most for an extreme within a group. Do not combine more and -er: quieter, not more quieter.
Not quite. Keep learning.
Correct answer: more
Completed sentence: She speaks more clearly than I do. Compare adjectives with -er/more and superlatives with -est/most. Most -ly adverbs use more/most. Good/well become better/best, and bad/badly become worse/worst. As + adjective/adverb + as expresses equality.
Not quite. Keep learning.
Correct answer: shortest
Completed sentence: This is the shortest route. Compare adjectives with -er/more and superlatives with -est/most. Most -ly adverbs use more/most. Good/well become better/best, and bad/badly become worse/worst. As + adjective/adverb + as expresses equality.
Not quite. Keep learning.
Correct answer: better
Completed sentence: He runs better than me. (well) Compare adjectives with -er/more and superlatives with -est/most. Most -ly adverbs use more/most. Good/well become better/best, and bad/badly become worse/worst. As + adjective/adverb + as expresses equality.
Not quite. Keep learning.
Correct answer: as
Completed sentence: My bag is as heavy as yours. Compare adjectives with -er/more and superlatives with -est/most. Most -ly adverbs use more/most. Good/well become better/best, and bad/badly become worse/worst. As + adjective/adverb + as expresses equality.
Not quite. Keep learning.
Correct answer: most
Completed sentence: Of all the students, Eva works the most carefully. Compare adjectives with -er/more and superlatives with -est/most. Most -ly adverbs use more/most. Good/well become better/best, and bad/badly become worse/worst. As + adjective/adverb + as expresses equality.
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