Basic English Prepositions: In, On, At Complete Guide

Simple prepositions in English in practice. Exercise

English Prepositions: A Simple Guide for All Levels

Are you struggling with English prepositions? Let’s master them once and for all with clear explanations and practical examples that will stick in your mind forever.

🎯 Why Are Prepositions So Tricky?

Prepositions are one of the most challenging aspects of English because they often don’t follow logical patterns. Different languages use different prepositions for the same situations, which makes them particularly difficult for learners. But don’t worry – we’ve created a foolproof system to help you master them!

🎓 The Smart Way to Master Prepositions

IN = Inside or Within

Think of IN as being inside a container. If you can be surrounded by something, use IN:

  • Months → in May
  • Years → in 2024
  • Seasons → in summer
  • Countries/cities → in London
  • Rooms/enclosed spaces → in the kitchen
  • Parts of day → in the morning
  • Liquids → in the water

💡 Pro Tip: If you can imagine being surrounded by something, use IN.

ON = Contact with a Surface

Think of ON as touching a surface. If something is in contact with or supported by a surface, use ON:

  • Days of the week → on Monday
  • Dates → on May 5th
  • Surfaces → on the table
  • Floors → on the first floor
  • Transportation → on the bus
  • Media → on TV, on the radio

💡 Pro Tip: If you can physically place something on top of something else, use ON.

AT = Specific Point

Think of AT as pointing to a specific location or time. If you’re targeting an exact point, use AT:

  • Exact time → at 5 o’clock
  • Specific places → at home, at work
  • Events → at the party
  • Age → at the age of 18
  • Temperature → at zero degrees

💡 Pro Tip: If you can point to it on a map or clock, use AT.

🎮 Practice Makes Perfect

Level 1: Basic Prepositions

Fill in the gaps with IN, ON, or AT:

  1. The meeting starts ___ 9 AM.
  2. I was born ___ March.
  3. She lives ___ Paris.
  4. We met ___ the airport.
  5. The cat is sleeping ___ the sofa.

Level 2: Common Mistakes

Spot and correct these common errors: ❌ “I’m in work” ✅ “I’m at work” (because work is a specific location)

❌ “The picture is at the wall” ✅ “The picture is on the wall” (because it touches the surface)

Level 3: Advanced Usage

Create sentences using prepositions with:

  1. Time expressions
  2. Places
  3. Transportation
  4. Events

🚀 Power Phrases for Real-Life Situations

At Work:

  • “I’ll see you at the meeting”
  • “The documents are in my desk”
  • “The presentation is on the screen”

While Traveling:

  • “We’re on the plane”
  • “The hotel is in the city center”
  • “Meet me at the station”

📝 Test Your Knowledge: Preposition Quiz with Answers

Complete these sentences with the correct preposition

  1. I usually drink coffee the morning.
  2. The meeting starts 9 AM.
  3. We're going on vacation July.
  4. She works London.
  5. The book is the shelf.
  6. We met Christmas.
  7. I'll see you Monday.
  8. The temperature is zero today.
  9. He's sitting the bus.
  10. The party starts the evening.
  11. I was born 1990.
  12. The picture hangs the wall.
  13. We have class noon.
  14. She lives the third floor.
  15. The fish swims the aquarium.

🎉 Key Takeaways

Remember these three simple associations:

  • IN = inside/within
  • ON = surface contact
  • AT = specific point

Practice these patterns daily, and you’ll find yourself using prepositions correctly without even thinking about it!

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