Mixed and Tricky Cases
Tackle the highest-frequency tricky contrasts: arrive at/in (never to), in/on the corner, sit at/on, and compound errors in real-sentence contexts.
Tricky Preposition Cases: Arrive, Corner, Sit, and More
Even learners who have mastered the core in/on/at rules regularly make errors in specific high-frequency contexts. Analysis of Cambridge First and IELTS writing samples identifies 'arrive to' as one of the top 5 most frequent single-preposition errors at B1–B2 level. The 'in the corner' vs 'on the corner' distinction and 'sit at/on' are equally persistent. These errors persist because they require knowing the exact noun's conceptual category rather than applying a general rule.
Arrive At vs Arrive In (Never 'Arrive To')
'Arrive to' does not exist in standard English. The verb 'arrive' takes either 'at' (for specific buildings) or 'in' (for cities and countries):
She arrived in London after a long flight. (city)
We arrived in Paris late at night. (city)
✗ We arrived to Paris. → ✓ We arrived in Paris.
In the Corner vs On the Corner
'In the corner' = inside an enclosed room, at the meeting of two walls. 'On the corner' = on the outside of a building, at the intersection of two streets:
The shop is on the corner of the building — you can see it from both streets. (outside intersection)
Sit At vs Sit On
You sit on a chair (a surface that supports you), but sit at a table (a functional location for an activity):
Common Mistakes
✗ We arrived to Paris. → ✓ We arrived in Paris.
✗ I found the café in the corner of the street. → ✓ I found the café on the corner of the street.
✗ I sat on a table. → ✓ I sat at a table.
✗ She sat in the table on the corner of the room. → ✓ She sat at the table in the corner of the room.