This document is a lecture on the use of prepositions in English, covering various types and their meanings such as 'from,' 'since,' 'for,' 'at,' 'on,' 'by,' 'above,' 'over,' 'in,' 'into,' 'underneath,' 'beneath,' and 'below.' Each preposition is discussed with examples to clarify their correct usage in different contexts. The lecture is part of a Functional English course taught by Tariq Amin at KUST.