image: http://www.yourdictionary.com/index.php/image/articles/18531.ThinkstockPhotos-100297391_boy.jpg

Kindly, slowly, here, often, and very are examples of adverbs. Adverbs modify verbs, adjectives,
or other adverbs. Modify means to add to or change the meaning of a word. 

Spotting an Adverb

End in "-ly"

Many adverbs end in “-ly”. If you are not sure of the part of speech a word would be,
and it ends with “-ly”, it is probably an adverb.
Examples include:
  • Financially
  • Willfully
  • Abruptly
  • Endlessly
  • Firmly
  • Delightfully
  • Quickly
  • Lightly
  • Eternally
  • Delicately
  • Wearily
  • Sorrowfully
  • Beautifully
  • Truthfully 
Other examples of adverbs   of manner would be words that describe how something was done or 
  the
  • Uneasily
  • Weirdly
  • Cheerfully
  • Expertly
  • Wholeheartedly
  • Randomly
  • Brutally
  • Really
  • Briskly
  • Sloppily
  • Wickedly

Tell Where Action Happened

Some adverbs tell the location of an action, or where it occurred. Adverbs like this would be:
  • Here
  • There
  • Everywhere
  • Somewhere
  • In
  • Inside
  • Underground
  • Out
  • Outside
  • Upstairs
  • Downstairs

Tell When Action Happened

Examples of adverbs that tell when an action occurred, or its time, include:
  • Now
  • First
  • Last
  • Early
  • Yesterday
  • Tomorrow
  • Today
  • Later
  • Regularly
  • Often
  • Never
  • Monthly
  • Always
  • Usually 

Tell the Extent of the Action

Adverbs can describe to what extent something was done or an action was executed, including:
  • Very
  • Too
  • Almost
  • Also
  • Only
  • Enough
  • So
  • Quite
  • Almost
  • Rather 
Here are some sentences with the emphasizing adverb underlined:
  • I really don’t care.
  • He literally wrecked his car.
  • I am certain of the facts, for sure.
  • You simply don’t understand.
  • I so want to go to the concert.
Sentences that amplify would be like:
  • She completely rejected his proposal.
  • I heartily endorsed the new restaurant.
  • I so want that new toy.
  • He completely understands me.
  • I absolutely refuse to stay here any longer.
Adverbs and adverb phrases that tone down the feeling or mood would include:
  • I sort of felt betrayed by you.
  • You can improve on this to some extent.
  • She kind of likes the movie.
  • The boss almost quit his job after that.
  • I somewhat understand what you are saying.
  • She mildly disapproved of his actions.

Adverb Phrases

Adverb phrases function like adverbs. They can tell when, how, where, and to
 what extent or purpose
. Adverb phrases can start with a preposition.
Some examples of these are:
  • With a hammer
  • Next door
  • Before the holidays
  • Every month
  • For his mother