Prepositions - 50!

    Prepositions are words that connect nouns, pronouns, or phrases to other words in a sentence, typically showing a relationship of time, place, or direction.
Spanish prepositions are connecting words that are similat to English. Some common examples include "a" (to, at), "de" (of, from), "en" (in, on), "para" (for, in order to), and "por" (for, by, through). 
A few prepositions combine with the definite article el to form contractions:
a + el becomes al, and de + el becomes del.  

Common prepositions and their meanings

• a: to, at, for
• con: with
contra: against
de: of, from, about
desde: since, from
en: in, on, at
entre: between, among
hacia: towards, about
hasta: until, up to, as far as
para: for, in order to
por: for, by, through, per, because of
sin: without
sobre: on, about, above, over
tras: after, behind 

Contractions

al: a + el (e.g., Voy al lago - I'm going to the lake)
del: de + el (e.g., el coche del padre - the father's car) 

Key things to remember

Many Spanish prepositions have multiple English translations depending on the context. 
Prepositions connect nouns, pronouns, or phrases to other parts of a sentence. 
Learning prepositions through examples is often more effective than memorizing their definitions alone. 

Below are more, "preposiciones mas importantes!"