[Grammar] In/At The Beginning....

[ShirleyLing]

"In/At the beginning, I found it hard to concentrate."

Should it be "in" or "at"?

 

[bhaisahab]

"In/At the beginning, I found it hard to concentrate."

Should it be "in" or "at"?

Have a look at the similar threads at the bottom of the page.

 

[ShirleyLing]

A lot of wild guesses...

 

[Raymott]

A lot of wild guesses...

That's true. However, there are also useful posts by native speakers.
In this case, you could say either.
For time, I'd generally use "in". But "At the beginning of the course, I found it hard to concentrate" is correct.