Prepositions are those words, which show the relationship of Nouns (or Pronouns) with the other words in the sentence. Prepositions are used before Nouns (or Pronouns) in the sentence.
Following is the list of Prepositions:
Above, About, Across, Against, Along, Among, Around,
At, Before, Behind, Below, Beneath, Beside, Between,
Beyond, By, Down, During, Except, For, From, In,
Inside, Into, Like, Near, Of, Off, On, Since, To,
Toward, Through, Under, Until, Up, Upon, With & Within.