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Parts of Speech

English Prepositions: Rules & Usage

Stop confusing 'in', 'on', and 'at' with clear positional diagrams.

Definition: A preposition connects a noun or pronoun to other words in a sentence, establishing time, place, direction, or relationship.

Prepositions of Time

  • At: Exact times (at 5:00 PM, at noon)
  • On: Days and dates (on Monday, on 15th August)
  • In: Months, years, seasons (in July, in 2026, in summer)

Prepositions of Place

  • In: Enclosed space (in the room, in India)
  • At: Specific point (at the bus stop, at home)
  • On: Surface (on the table, on the wall)

Prepositions of Movement

  • Into: Entering motion (jump into the pool)
  • Onto: Surface motion (climbed onto the roof)
  • Through: 3D passage (walked through the forest)