How often do you...?

• How often do you brush your teeth?
• How often do you go to the cinema?
• How often do you read a book? 
• How often do you eat meat?

El adverbio de frecuencia va antes del verbo excepto con el verbo 'to be' (va después)

I always go to church on Sundays.
I am always tired after work. 

• Read

http://www.saberingles.com.ar/curso/lesson06/04b.html

• Do some practice. Click on the links below:

http://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adverbs_of_frequency.htm

http://esl.lbcc.cc.ca.us/eesllessons/adverbfreq/adfreqz.htm