Prepositions of Place at and In - a podcast by Eve Rydel

At has 2 usages:

1.) at a large area: at the mall, at home, at work

and

2.) at a specific point on the map such as an address, an intersection, a bus stop

In = inside  The kitten is in the box.  He is playing and he is coming in and out of the box.  I am at home in my living room. 

Further episodes of Speak Well by Eve Rydel

Further podcasts by Eve Rydel

Website of Eve Rydel