Prepositions of place. Exercise on Prepositions - 18. Games. Time. Place. Text. Prepositions of time. Prepositions. Exercise on 'since' and 'for' Types. Exercises on Prepositions Prepositions are short words (on, in, to) that usually stand in front of nouns (sometimes also in front of gerund verbs).
Even advanced learners of English find prepositions difficult, as a 1:1 translation is usually not possible. One preposition in your native language might have several translations depending on the situation.