Used to (EG 18)

• used to do - it is mean that something regulary happened in the past but no longer happens.
  
  EXAMPLES:
  I used to play tennis a lot, but now I'm too lazy.
  Do you go to the cinema very often? Not now, but I used to.
  
  
• We also use used to for past situations which no longer exist.
  
  EXAMPLES:
  We used to live in a small village but now we live in London.
  I've started drinking cofee recently. I never used to like it before.
  
  
• The normal question form is did ... use to ...?
  
  EXAMPLES:
  Did you use to eat a lot of sweets when you were a child?
  Did you use to play football at school?
  
  

Be/get used to (EG 61)

• be used to + ing  - it is not new or strange for me.
  
  EXAMPLES:
  He is used to living alone.
  She wasn't used to driving on the left.
  She got used to driving on the left.
  
  
• After be/get used you can't use the infinitive, because to is a preposition .
  
  EXAMPLES:
  Are you used to sleeping late at weekends?