Theorie:

Study the information about adverbs and their positions in the sentences.
  
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Adverbs have three main positions in the sentence:
 
- Front (before the subject):
 
Now we will study adverbs.
 
- Middle (between the subject and the main verb):
 
We often study adverbs.
 
- End (after the verb or object):
 
We study adverbs carefully.
 
Adverbs of manner are particularly flexible.
 
Solemnly the minister addressed her congregation.
The minister solemnly addressed her congregation.
The minister addressed her congregation solemnly.
 
The following adverbs of frequency appear in various places in these sentences:
 
Before the main verb:  I never get up before nine o'clock.
Between the auxiliary verb and the main verb: I have rarely written to him without a good reason.
  
Indefinite adverbs of time can appear either before the verb or between the auxiliary and the main verb:
 
He finally showed up for batting practice.
She has recently retired. 
 
 
 
Quellen:
http://www.englishclub.com/grammar/adverbs.htm
tx.english-ch.com