▪ I am used to doing something
▪ I used to do something
If you are used to doing something, it is familiar to you because you have often done it before. Use the -ing form of the verb in this pattern, not the infinitive:
✗ Looking through the newspapers every day, we are used to read terrifying reports about crimes.
✓ Looking through the newspapers every day, we are used to reading terrifying reports about crimes.
You can also say that you get used to doing something:
Children soon get used to spending much of their free time watching TV.
If you say that you used to do something, you are talking about an activity or habit in the past which has now finished.
I used to play squash reasonably well.
This means that the speaker no longer plays squash well.