Here's some prepositions that a lot of people from Bangladesh (and probably other places too) get wrong:
- In a section (not on a section)
- In the environment (not on the environment).
- I've installed the piece of software on my computer (in my computer would mean you've opened up the computer box and installed the software next to one of your hard drives!).
He is on support this week (not in support).
- Digging it means that you like something, whereas digging into it means that you're investigating the issue further.
- Remember that it's called at that level (not in that level).
- You have experience with something (not experince on something)