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Prepositions

Explore the role of prepositions in technical writing to understand how they establish direction, time, location, and spatial relationships. Discover correct usage of prepositional phrases, including their objects, and learn when it is acceptable to end a sentence with a preposition to ensure clear and natural communication.

What are prepositions?

Prepositions help us understand the relationships between words. There are many types of prepositional relationships, but we will focus on the following:

  • Direction
  • Time
  • Location
  • Space

A preposition must go with a related noun or pronoun, which is called its object.

The complete pair (preposition + its object) is called a prepositional phrase.

Note that a prepositional phrase is not a complete sentence. It simply modifies the sentence, so it cannot ...