in front, opposite, face

in front, opposite, face 

If something or someone is in front of a building, they are directly outside the front of it  

 Meet me in front of the station. 

If something or someone is opposite a building, they are outside the front of it on the other side of a street, area of land etc  

•  the fields opposite the school 

Use the verb face to say that a building has something outside the front of it  

My apartment block faces (NOT is in front of) the sea. • a house facing the square
in front of, before  

Use in front of not 'before', to talk about doing something so that people can see or hear you  

 I had to explain myself in front of (NOT before) the whole class 

Use before, not 'in front of',to talk about the order in which things happen  

 Before starting (NOT In front of starting), let's list what we have to do