Direction (where something is going)

Time (when something is)

Relationship (between two nouns or pronouns)

Common Prepositions

aboard - about - above - across - after - against - along - among  around - as -  at - before -

behind -  below - beneath - beside between - beyond - but (except) - by - concerning - 

despite - down  during - except for - from - in - into - like - near - of - off - on - onto  out - 

outside - over - past - per - regarding - since - through throughout - till - to - toward - 

under - underneath - until - up - upon  with - within - without