Prepositions: IN, ON, AT

Front

IN

Back

inside, part of something (folder, Drive, software)

Front

Using IN: Where do I keep my homework?

Back

I keep my homework in Google Drive.

Front

Using IN: Where are the photos saved?

Back

The photos are saved in the folder.

Front

Using IN: What is in my computer?

Back

I have a virus in my computer.

Front

Using IN: Where is the error?

Back

There is an error in the software.

Front

Using IN: Where did I read the instructions?

Back

I read the instructions in the email.

Front

ON

Back

surface, screen, or online (desktop, YouTube, Docs, Instagram)

Front

Using ON: Where did I watch a video?

Back

I watched a video on YouTube.

Front

Using ON: Where is the icon?

Back

The icon is on the desktop.

Front

Using ON: What did I click on?

Back

I clicked on the link.