Short Adjectives (1 syllable)
Adjectives ending in -y
Longer Adjectives (2 syllables)
Irregular Adjectives
Correct form
100

My brother is more tall than me.

My brother is taller than me.

100

My dog is friendlyer than his.

My dog is friendlier than his.

100

This chair is comfortabler than that one.

This chair is more comfortable than that one

100

She is more good at science than her brother.

She is better at science than her brother.

100

What is the correct form?

I am (smart) my brother.

I am smarter than my brother. 

200

Tortoises are more slow than rabbits.

Tortoises are slower than rabbits.

200

Fruits are more healthyer than candy.

Fruits are healthier than candy.

200

This novel is interestinger than the one I read last week.

This novel is more interesting than the one I read last week.

200

I feel more bad than I did yesterday.

I feel worse than I did yesterday.

200

What is the correct form?

Planes are (fast) cars.

Planes are faster than cars.

300

The mountain we climbed was more higher than the last one. 

The mountain we climbed was higher than the last one.

300

This test was more easier than the last one.

This test was easier than the last one.

300

Skiing is more dangerouser than football.

Skiing is more dangerous than football.

300

This situation is more bad than I expected.

This situation is worse than I expected.

300

What is the correct form?

Math is (difficult) English.

Math is more difficult than English.

400

This movie is more shorter than the one we watched last week.

This movie is shorter than the one we watched last week.

400

This movie was funnyer than the last.

This movie was funnier than the last. 

400

This project is more importanter than the others.

This project is more important than the others.

400

He is more good at playing the piano than his brother.

He is better at playing the piano than his brother.

400

What is the correct form?

Football is (exciting) tennis.

Football is more exciting than tennis.

500

His house is more biger than mine.

His house is bigger than mine.

500

She is more happier than her sister.

She is happier than her sister.

500

This painting is beautifuler than the other one.

This painting is more beautiful than the other one.

500

The mountain is more farther than I thought.

The mountain is further than I thought.

500

What is the correct form?

Chocolate cake is (tasty) vanilla cake.

Chocolate cake is tastier than vanilla cake.

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