the difficent of " in " and "on"
could you tell me that what kind of situation should use "in", and others using "on",

Question

the difficent of  " in " and "on"
could you tell me  that what kind of situation should use "in", and others using "on",

Answer

I am IN the box! Meaning, I am inside the box!

I am ON the box! Meaning, I am on top of the box!

The words in and on do also have different meanings but generally it is the ones that I provided for you above!

Answer

IN
1. to indicate inclusion within space, a place, or limits): 
Example.   I was  walking in the park.
2.indicate inclusion within something abstract or immaterial
 Example.  I work in politics.
3. indicate inclusion within or occurrence during a period or limit of time
Example.  I will be done in ten minutes
ON
1. supported by or suspended from: 
Put your package down on the table; Hang your coat on the hook

2. so as to be attached to  
Hang the picture on the wall. Paste the label on the package.

3.so as to be a covering or wrapping for: 
Put the blanket on the baby. Put aluminum foil on the food.
4. The television set was on.
Both very frequently used as prepositions, adverbs,adjectives