Preposition

Preposition -
                   Prepositions are words which are used to connect the different nouns, pronouns and phrases in a sentence.
Types Of Prepositions -
(a) Simple Preposition - These prepositions are constructed by only one word like : On, at, about, with, after, for, etc. 
e.g.: He found the book about dogs on the table, in the bedroom.
(b) Compound Prepositions - These prepositions are two word prepositions. Like : According to, because of, next to, due to etc.
e.g. : He was upset because of his son's behavior.