O’zbekiston respublikasi ichki ishlar vazirligi akademiya m. A. Rustamov ingliz tili darslik

Comparative forms 
This man is thick. 
This man is thicker. 
This apple is big. 
This apple is bigger.
Bigger and thicker are the comparative forms. 
• My friend works hard. He must work harder to pass his exam. 
• I can't hear you. Can you speak louder? 
Use than after the comparative forms of adjectives and adverbs: 
• It's cheaper to go by car than to go by train. 
Add -er for the comparison with one-syllable adjectives and adverbs. 
 
Spelling: 
cheap – cheaper
hard – harder 
thin – thinner 
big – bigger
dry - drier
busy - busier 
pretty – prettier 
happy - happier 
Add -er to two-syllable adjectives ending with y: 
easy-easier healthy-healthier pretty- prettier 
Also narrow -narrower simple -simpler 
Use more...(not -er) with other two and more syllable adjectives: 
more modern, more serious, more expensive, more comfortable. 
• She is beautiful. Madonna is more beautiful. 

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Use more with adverbs ending with -ly: 
• Could we walk more slowly, I'm too tired. 
• There are very many mistakes in your exercise. 
• You should do it more carefully. 
Say more often (not ‘oftner’) but earlier (not ‘more early’): 
• Now I see him more often as he works in the same department. 
• He came earlier to finish his work before the lesson. 
Before comparatives you can use a bit / a little / much / a lot / far (= a lot): 
• Don't go by train. It's much (or a lot) cheaper. 
• Could you speak a bit (or a little) more slowly?