
Master using in for centuries and decades, with examples from the 1700s to the 2000s and pronunciation notes for numbers like 20s, 30s, and 90s.
Learn how to use in for years and months and practice pronouncing years from 1776 to 2009 with examples and birth-month homework.
Learn how to use in for future events and non-specific time frames, including months and years, with examples like in two weeks and in two months.
Master using in with seasons and times of day, with spring, summer, fall, and winter. Use in the morning and in the afternoon, and at night.
Practice using the preposition 'in' for time through dialogues that cover centuries, decades, years, months, and seasons, with examples from the caption.
Learn how to use in for countries and states with examples from Brazil, the United States, Paraná, and Kentucky, including the Grand Canyon and Niagara Falls.
Master using on for exact holiday dates such as Christmas Day and New Year's Day, and use for general holiday periods. Note personal holidays versus calendar holidays.
Explore how to use on to refer to vacation or holiday in American and British English, and show that speakers in the United States understand on vacation and on holiday.
Learn to use on to describe objects touching a surface, as in a book on the table or a picture on the wall. Practice listing items on a chosen surface.
Master the preposition on when talking about devices, treating devices as surfaces like computers, phones, and tablets, and practice with examples of apps and content on each device.
Explore how the preposition 'on' marks flat surfaces and enclosed spaces, from streets and devices to buses, trains, subways, and planes, with practical examples.
Master using at for specific hours and differentiating a.m. and p.m. to talk about times of day, with examples like wake up at 9 a.m. and sleep at 11 p.m.
Explore how to talk about age in the past using at, with examples like at 18 years old and when did you go to college, plus practice questions.
Learn when to use in the morning and in the afternoon for parts of the day, and at night for the general time.
Master the use of at for a specific place or point, with examples like at the bus stop or at the door, and distinguish it from in for inside.
Learn when to use at, in, and on in location phrases, with examples like at the entrance, at the corner, in the building, and on the street.
Learn to use at for events and activities, not just places, with examples like at a wedding, at the concert, and at work or school.
Build on your mastery of in, on, and at and explore more English courses on phrasal verbs, cooking in English, and video games.
English Prepositions Made Easy: In, On & At is a clear, practical course designed to help you finally understand three of the most important and commonly confused English prepositions. If you have ever felt unsure about when to use in, on, or at, this course breaks everything down into simple rules, real examples, and easy patterns you can actually remember and use in everyday communication.
This course focuses on real English usage rather than memorization. You will learn how these prepositions work with time expressions, places, and common situations in natural spoken and written English. Instead of overwhelming grammar rules, you will see step-by-step explanations that show you why each preposition is used and how native speakers think about them.
You will practice with clear examples that reflect real-life situations such as talking about time (at night, on Monday, in the morning), locations (at home, on the street, in a city), and everyday contexts that appear in conversations, writing, and exams. Each section is designed to help you build confidence and reduce common mistakes that even advanced learners sometimes make.
By the end of the course, you will have a strong understanding of how to use in, on, and at correctly and naturally. You will be able to choose the right preposition without overthinking and speak or write with more confidence and accuracy.
This course is ideal for beginners and elementary learners, but it is also useful for anyone who wants to fix long-standing confusion with English prepositions and make their language sound more natural and fluent.