Articles (a, an, the) — When to Use What
December 1, 2025Common Grammar Mistakes Indians Make
December 1, 20251. INTRO
One of the biggest confusions in English is:
When do we use in, on, at?
These three tiny words change meaning completely.
Today, I’ll explain them in the simplest way.
2. PURPOSE
This vlog will help you:
- Use in/on/at correctly
- Understand time & place usage
- Stop making common preposition mistakes
3. SCOPE
We will cover:
- IN for big areas & long time
- ON for surfaces & specific days
- AT for exact points
- Easy examples
- Quick trick to remember
4. WHEN TO USE “IN”
IN = Large / Inside / Longer time
Place:
- in India
- in the classroom
- in the box
- in the city
Time:
- in the morning
- in 2025
- in January
- in two hours
Think: BIG area or BIG time.
5. WHEN TO USE “ON”
ON = Surface / Days / Dates
Place:
- on the table
- on the wall
- on the bus (surface idea)
Time:
- on Monday
- on my birthday
- on 1st January
Think: Flat surface or specific day.
6. WHEN TO USE “AT”
AT = Exact place / Exact time
Place:
- at the door
- at the station
- at home
- at school
Time:
- at 5 PM
- at midnight
- at lunchtime
Think: Exact point.
7. QUICK COMPARISON
- in the room
- on the table
- at the door
- in 2024
- on Monday
- at 7 PM
8. TRICK TO REMEMBER
📌 IN = Big
📌 ON = Specific
📌 AT = Exact
9. CONCLUSION
Use IN for big areas and long time,
ON for surfaces and days,
AT for exact positions and exact time.
Practice these daily and your grammar will become much clearer.
