Most adverbs in English are formed by adding -ly to an Adjective. An adverb is a word that modifies the meaning of a Verb; an Adjective; another adverb; a Noun or Noun Phrase; Determiner; a Numeral; a Pronoun; or a Prepositional Phrase and can sometimes be used as a Complement of a Preposition.
Adverbs of manner modify a verb to describe the way the action is done.
EG: She did the work carefully.
('Carefully' modifies the verb to describe the way the work was done, as opposed to quickly, carelessly, etc..)
Adverbs of place show where the action is done.
EG: They live locally.
Adverbs of time show when an action is done, or the duration or frequency.
EG: He did it yesterday. (When)
They are permanently busy. (Duration)
She never does it. (Frequency)
Adverbs of degree increase or decrease the effect of the verb.
EG: I completely agree with you. (This increases the effect of the verb, whereas 'partially' would decrease it.)
An adjective can be modified by an adverb, which precedes the adjective, except 'enough' which comes after.
EG: That's really good.
It was a terribly difficult time for all of us.
It wasn't good enough. ('Enough' comes after the adjective.)
An adverb can modify another. As with adjectives, the adverb precedes the one it is modifying with 'enough' being the exception again.
EG: She did it really well.
He didn't come last night, funnily enough.
Adverbs can modify nouns to indicate time or place.
EG: The concert tomorrow
EG: The room upstairs
Some adverbs of degree can modify noun phrases.
EG: We had quite a good time.
They're such good friends.
Quite; rather; such; what (What a day!) can be used in this way.
Adverbs such as almost; nearly; hardly; about, etc., can be used:
EG: Almost everybody came in the end.
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