I think I've heard "inside of". I find all the variations interesting. It's only when I can't understand something that variations bother me, and then only until I do understand. Then I add them to my collection, so to speak.
There isn't only one way to speak like a native.
And the language will change whether we like it or not because that's what language does, especially with outside influences, of which there are plenty and various.
I Shall Be a Weather Forecaster In My Next Life Or...
"Old fashioned" expressions that young people have never heard.
Crypto currency….. have any of you invested yet?
#playingwithEnglishwords

