Russian Adverbs
I've noticed that in Russian the adverb forms of adjectives always seem to follow a pattern.

Examples:
Хороший (adjective) Хорошо (adverb)
Плохой (adjective) Плохо (adverb)
Быстрый (adjective) Быстро (adverb)

It would seem that if you remove the adjective ending (ий, ый, or ой) and replace it with о then it changes the adjective into an adverb. Is this the case with lots of Russian adjectives? Is this a rule that I can usually follow? Or does it only apply to certain words?

Any insight would be helpful!
Спасибо! ))

Question

Russian Adverbs
I've noticed that in Russian the adverb forms of adjectives always seem to follow a pattern.

Examples:
Хороший (adjective) >>>>> Хорошо (adverb)
Плохой (adjective) >>>>> Плохо (adverb)
Быстрый (adjective) >>>>> Быстро (adverb)

It would seem that if you remove the adjective ending (ий, ый, or ой) and replace it with о then it changes the adjective into an adverb. Is this the case with lots of Russian adjectives? Is this a rule that I can usually follow? Or does it only apply to certain words?

Any insight would be helpful! 
Спасибо! ))

Answer

Usually, but not always... Let's see:
1. replace adjective ending with O
 Examples:
веселый - весело, легкий - легко, смулый - смело, умелый - умело

2. replace adjective ending with E (usually these adjective look like participles) 
Examples:
Искренний - искренне, угрожающий - угрожающе, вызывающий - вызывающе, 

3 if adjective has ending -cкий, -цкий, -ический, then you have to replace it with И and in some cases add По- at the beginning of adverb.
Examples:
Немецкий - по-немецки, детский - по-детски, вражеский - вражески, геройский - геройски, фактисеский - фактически.

We've got three common rules with different ending (O, E, И)

Answer

Not only with "о". Look here:
неуклюжий >>>>> неуклюже
дружеский >>>>> дружески
пеший >>>>> пешком

Answer

This rule is often used, but does not always. We have many other rules which transform different parts of speech to adverb. 
I think it will help (par. 260):
http://studysphere.ru/work.php?id=319

Answer

Please look at         http://therules.ru/#q=наречия      site

Answer

Thank you for your answers, everyone!! They all helped a lot!! :-D

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