This blog post is about when to use the prepositions ‘in’ and ‘on’ when you are talking about information that you have seen, read or heard.
- We generally use ‘in’ when we are talking about something being inside a three-dimensional object. For example, You would say:
The ring is in the box
- The preposition ‘on’ is usually used when talking about something that is on a two-dimensional surface. For example, you can say:
A painting is on the wall.
However, there are many exceptions and this rule can't really be applied to something like a website so it is sometimes difficult for learners of English to know which preposition to use when talking about information. You really just need to learn when to use the two prepositions...
Here is an infographic with some examples of when to use ‘in’
And here is an infographic with some examples of when to use ‘on’