The document provides information about prepositions and conjunctions in English grammar:
- It defines prepositions and lists examples of common prepositions of place such as "at", "on", "in", "inside", "outside", "below", "above", "in front of", "behind", etc.
- It also discusses prepositions related to movement and time such as "into", "out of", "during", "after", "before", "with", "within", "beyond", "without", "back".
- It defines conjunctions and discusses common conjunctions like "and", "but", "or", as well as correlative conjunctions, subordinating conjunctions,