Expressing past habits and states: used to do, would do, be used to doing
Used to + base verb; Would + base verb; Be used to + -ing
Didn't use to + base; Wouldn't + base; Not used to + -ing
Did you use to...? Would you...? Are you used to...?
💡 Used to (past habit) vs be used to (familiarity) - different structures!
✓I used to play tennis.
✗I use to play tennis.
Past tense: used to.
✓We would visit grandma every Sunday.
✗We would live in Paris (state).
Would is for actions, not states.
✓I'm used to working late.
✗I'm used to work late.
Be used to + -ing (gerund).