Using in, on, at for locations
Preposition + place: in the kitchen / on the shelf / at the station
Negate the verb, keep preposition: I am not at home
Where + be + subject + preposition + place? (Where is she at school?)
💡 Addresses: at 25 King Street; Surfaces: on; Enclosed: in
✓The keys are on the table.
✗The keys are at the table.
Use on for surfaces.
✓She lives in Paris.
✗She lives at Paris.
Cities/countries take in.
✓I am waiting at the bus stop.
✗I am waiting on the bus stop.
Use at for point locations like stops/stations.
✓There's a picture on the wall.
✗There's a picture at the wall.
Surfaces use on.