Choosing between “in,” “on,” and “at” for time, place, or transport can be confusing in daily communication or exams. This guide will clarify their usage and show you the rules that matter most.
1. What Are Prepositions?
A preposition is a word or phrase that comes before nouns or pronouns to show relationships: location, time, direction, manner, or cause.
Examples:
The book is on the table.
I will meet you at 3 pm.
She went to school by bus.
Common types include:
Time: in, on, at, from, to
Place: in, at, on, above, below
Direction: to, from, into, out of
Manner: by, with, without
Cause: because of, due to
Others: for, about, like, as
2. Types of Prepositions
2.1 Time Prepositions
Prepositions for specifying when something happens.
Preposition | Use Case | Example |
in | months, years, seasons, parts of day, future/past span | in March, in 2024, in summer, in the morning |
on | days, dates, holidays | on Monday, on December 25th, on Independence Day |
at | exact times, specific moments, festivals | at 3 o’clock, at noon, at Christmas |
since | start point until now | since 2010, since last week |
for | duration | for three hours |
during | throughout a period | during the meeting |
before / after | before breakfast, after the meeting | |
from… to | time range | from 8 am to 5 pm |
2.2 Place Prepositions
Show location and spatial relationship.
Preposition | Use Case | Example |
in | inside spaces, towns, countries, directions | in the car, in Vietnam |
on | surface | on the wall |
at | precise location | at the bus stop |
by | near | by the window |
above / below / under | vertical relation | above my head, under the desk |
in front of / behind / between / next to | specific positions | between the library and the supermarket |
2.3 Movement Prepositions
Describe direction and movement.
Preposition | Example |
on (left/right), from, to | She walked to the park |
over, up, down, into, out of | Climb up the tree |
towards, through, along, across, around | Walk through the door |
2.4 Agent Prepositions
Identify who or what performs an action.
by: passive action agent – The cake was made by my mother.
with: tool – She cut the cake with a knife.
about: topic – The book is about dogs.
2.5 Manner and Instrument Prepositions
Describe how something is done or with what tool.
by: by bus, by credit card
with: with a pen, with scissors
in: written in ink
like: sleep like a log
on: traveled on a bus
through: learned through movies
2.6 Purpose and Reason
Explain why an action happened or its intended result.
for: I went to the store for milk.
because of: I left because of rain.
in order to: study in order to pass.
with a view to: saving money with a view to buying a house.
2.7 Relationship Prepositions
Express ownership, connection, or association.
of: leg of the table
to: teacher to students
with: man with a hat
2.8 Origin Prepositions
Refer to source or origin.
from: She is from Vietnam.
of: house made of brick.
3. Prepositional Phrases
Groups of words starting with a preposition, functioning as adjectives or adverbs.
Examples:
on the table, in the park, with my friends
The book on the table is mine. She listens to music with headphones.
4. Usage Tips
Choose correct prepositions based on meaning and context.
Common confusing pairs:
She drove to the store.
Don’t ring the bell. Come right into the house.
Drive onto the grass to park.
Example:
in the sea = underwater
at sea = somewhere on the sea
on the sea = on the surface
5. Practice Exercises
Exercise 1: Fill in the blank
1. This shop doesn’t have the toys I was looking __. (up/for)
2. The teacher divided the sweets ___ all the children. (between/among)
3. Bruce did not fare well __ his examination. (in/at)
4. The dog is grateful __ its owner. (to/for)
5. My brother’s anniversary is __ 5th November. (on/in)
6. The boy __ the store is quite young. (at/on)
7. Mahatma Gandhi was born __ 2nd October. (on/in)
8. Rupert is fond __ muffins. (of/off)
9. The dog jumped __ the sofa. (on/in)
10. Humpty Dumpty sat __ a wall. (on/at)
11. The police officer is __ the station. (at/on)
12. The Sun will not rise __ 6 o’clock. (before/since)
13. I know Jack ___ he was a little boy. (for/since)
14. Priya’s house is ___ mine. (next to/after)
15. The opponents sat ____ to each other. (opposite/behind)
16. The scientist looked ____ the microscope. (through/in)
17. I met Suhani when I was __ college. (in/on)
18. I will have completed my task __ Friday. (till/by)
19. There’s a rift ___ these two kids. (between/among)
20. The soldiers are ___ war. (in/at)
___ a very hot and sunny day, a thirsty crow was flying ___ search of water. Due ___ the hot weather, most ___ the ponds had dried up. Suddenly, he saw a vessel ___ the ground. When he flew ___ it, he saw there was very little water ___ the bottom ___ the vessel. While thinking about how he could drink that water, he saw little pebbles lying ___. He started dropping them one by one ___ the vessel. After some time, the water level rose. The thirsty crow quenched its thirst and flew away happily.
Answers
Exercise 1
1. For
2. Among
3. In
4. To
5. On
6. At
7. On
8. Of
9. On
10. On
11. At
12. Before
13. Since
14. Next to
15. Opposite
16. Through
17. In
18. By
19. Between
20. At
Exercise 2
On a very hot and sunny day, a thirsty crow was flying in search of water. Due to the hot weather, most of the ponds had dried up. Suddenly, he saw a vessel on the ground. When he flew towards it, he saw there was very little water at the bottom of the vessel. While thinking about how he could drink that water, he saw little pebbles lying around. He started dropping them one by one into the vessel. After some time, the water level rose. The thirsty crow quenched its thirst and flew away happily.
By mastering prepositions, you can express time, place, direction, manner, and purpose more accurately—in conversations, writing, and exams. Practice with drills and explore IDP’s free IELTS materials to reinforce your understanding.
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