"in" or "on"

Choosing to use "in" or "on" is a very common challenge for English learners (and Spanish speakers in general). The difficulty with “in” and “on” comes from differences between Spanish prepositions and English prepositions. Here’s why:

1. Spanish often uses “en” for both “in” and “on.”

In Spanish, en can mean in, on, or at, depending on context.

• • Estoy en la casa → I am in the house.

  • El libro está en la mesa → The book is on the table.

  • Estoy en la escuela → I am at school.
    
    

Because en covers multiple English meanings, learners don’t always know when to choose in vs. on in English.

2. Direct translation doesn’t always work.

If a learner translates word-for-word, they’ll use en = in almost every time.

• • Incorrect: The book is in the table.

  • Correct: The book is on the table.

3. English uses physical logic more strictly.

• In = surrounded or enclosed.

  • The keys are in my pocket.

• On = touching a surface.

  • The phone is on the table.

Spanish en doesn’t force this distinction, so learners must consciously re-map the meaning.

4. Fixed expressions don’t match.

Some English phrases don’t follow the physical logic, which makes it harder:

• “On the bus” (not “in the bus”)

• “In the picture” (not “on the picture”)

• “On TV” vs. “In a movie”

In Spanish, learners would still just use en, so English feels inconsistent.

✅ In short:
English language learners struggle with in vs. on because Spanish has only one common preposition (en) to cover both ideas, while English forces a distinction between being inside (in) and on the surface (on), plus lots of fixed phrases that don’t translate directly.

📘 Multiple Choice Questions: In vs. On

1. The keys are ___ my pocket.
   a) on
   b) in
   c) at
   d) into
   
   

2. The book is ___ the table.
   a) in
   b) on
   c) into
   d) at
   
   

3. I left my phone ___ my bag.
   a) on
   b) in
   c) into
   d) at
   
   

4. The picture is hanging ___ the wall.
   a) in
   b) on
   c) at
   d) over
   
   

5. She lives ___ New York City.
   a) in
   b) on
   c) at
   d) into
   
   

6. There is a crack ___ the screen of my laptop.
   a) on
   b) in
   c) at
   d) to
   
   

7. He’s sitting ___ the chair.
   a) in
   b) on
   c) at
   d) over
   
   

8. Please write your name ___ the top of the page.
   a) in
   b) on
   c) at
   d) inside
   
   

9. The clothes are ___ the closet.
   a) on
   b) in
   c) into
   d) at
   
   

10. We are ___ the car, waiting for you.
    a) in
    b) on
    c) at
    d) into
    
    

11. There is a stain ___ your shirt.
    a) in
    b) on
    c) into
    d) at
    
    

12. She put the letter ___ the envelope.
    a) on
    b) in
    c) at
    d) over
    
    

13. They are ___ the bus to San José.
    a) on
    b) in
    c) at
    d) over
    
    

14. The cat is sleeping ___ the sofa.
    a) on
    b) in
    c) at
    d) over
    
    

15. The apples are ___ the basket.
    a) on
    b) in
    c) at
    d) into
    
    

16. I saw her ___ TV last night.
    a) in
    b) on
    c) at
    d) into
    
    

17. She’s ___ the kitchen, cooking.
    a) in
    b) on
    c) at
    d) inside
    
    

18. The pen is ___ the desk.
    a) in
    b) on
    c) into
    d) at
    
    

19. We had a great time ___ the party.
    a) in
    b) on
    c) at
    d) inside
    
    

20. He’s traveling ___ a plane right now.
    a) in
    b) on
    c) at
    d) inside
    
    

21. The milk is ___ the fridge.
    a) in
    b) on
    c) at
    d) into
    
    

22. There is a fly ___ the ceiling.
    a) on
    b) in
    c) at
    d) over
    
    

23. We are staying ___ a hotel near the beach.
    a) on
    b) in
    c) at
    d) into
    
    

24. He was featured ___ the newspaper.
    a) in
    b) on
    c) at
    d) into
    
    

25. Don’t walk ___ the grass!
    a) on
    b) in
    c) at
    d) over
    
    

✅ Answer Key:
1-b, 2-b, 3-b, 4-b, 5-a, 6-a, 7-a, 8-b, 9-b, 10-a, 11-b, 12-b, 13-a, 14-a, 15-b, 16-b, 17-a, 18-b, 19-a, 20-b, 21-a, 22-a, 23-b, 24-a, 25-a