

('always' word is an adverb and modifies the verb to eat) ('fast' word is an adverb and provide more information about verb) ('gracefully' word is an adverb in this sentence and shows how to modify the meaning of verb) ('carefully' word is an adverb in this sentence and shows the example of how action is performed)

However, some are without 'ly' such as well, very, fast, never, now, most, far, least, more, less, there., etc. Some of the adverbs end with 'ly' (which are used to express how an action is performed) such as carefully, gracefully, cheerfully, quickly, steadily, speedily, happily, foolishly, angrily, etc.

It is one of the parts of speech which tells us how, where, when, in what manner, and to what extent an action is performed in the sentence. An adverb is a word which we use to modify the meaning of adjective, verb or other parts of speech.
