• Indefinite Adverbs of Frequency

• 
  Indefinite Adverbs of Frequency
• Use adverbs of frequency after the present simple form of the verb be.
  

  subject + be + adverb

  
  

  In sentences with one verb, use adverbs of frequency before the main verb.

  subject + adverb + main verb

  
  

  In sentences with MORE than one verb, use adverbs of frequency before the main verb.

  subject + secondary verb* + adverb + main verb

 

Source : Alison