When do we use “on” with transportation?
Use “on” for large, shared public vehicles:
Examples: on the train, on the bus, on the plane, on the boat
These are large and used by many people, so you are on them like on a surface.
What are exceptions to using “on”?
Small boats (like rowboats or fishing boats): use “in” — I’m in a boat.
Bicycle: Even though it’s small, say “on a bicycle” — because you sit on it.
When do we use “in” for transportation
Use “in” for cars and taxis, which are usually private and small.
Ex: I’m in a car, I’m in a taxi
You own the car or pay for the taxi, so it’s like your personal space.
When do we use “by” for transportation?
Use “by” to describe how you traveled.
Ex: I came by car, by train, by bus, by plane
It answers the question: “How did you get there?”
When do we use “at” for location?
Use “at” for specific locations or addresses.
Ex: Meet me at my house, at 51 Eglington
Think of it as a dot on a map: very specific.
When do we use “on” for location?
Use “on” when talking about a surface or an area.
Ex: The book is on the table, He is on the floor
On a bus/train/plane also fits this, as these are big areas where people sit or stand.
When do we use “in” for location?
Use “in” when something is inside a space surrounded by boundaries (walls, container, etc.)
Ex: I’m in a room, in a box, in the car
It means fully inside an enclosed area.
When do we use “by” for location?
Use “by” to mean near or close to something.
Ex: I live by the park, The store is by the river
Similar to: close, near, or next to
When do we use “at” for time?
Use “at” for exact time (hours and minutes).
Ex: at 10:30, at 9:15, at 12:00
Very specific point in time
When do we use “on” for time?
Use “on” for days and dates.
Ex: on Monday, on my birthday, on Christmas Day
If the word has “day” in it, you usually use “on”.
When do we use “in” for time?
Use “in” for longer periods like months, years, and weeks.
Ex: in September, in 1992, in three weeks
It’s a general but longer time frame.
When do we use “by” for time?
Use “by” to show the end or deadline of a time.
Ex: Finish it by 5 p.m., I need it done by tonight
It means no later than that time.
Use of “in” for Time
In the future / past / present
Years: in 1994, in the 90s
Decades/Centuries: in the 19th century
Seasons: in summer, in autumn
Months/Weeks: in June, in five weeks
Parts of the day: in the morning, in the evening
✅ In the evening, I like to relax and play board games.
Use of “on” for Time
Dates: on the 10th of June
Days of the week: on Monday, on Saturday morning
Holidays with “day”: on Christmas Day, on New Year’s Day
Phrases: on his birthday, on bank holiday
Miscellaneous: on time = punctual
Use of “at” for Time
Specific times: at 10 AM, at lunchtime, at sunset
Phrases: at the moment (atm), at sunrise, at night
Holidays without “day”: at Christmas, at Easter
Use of “in” for Place
Countries/Cities/Areas: in Morocco, in Agadir, in Adrar.
Enclosed spaces: in a taxi, in a car, in a classroom, in the house
Media: in a book, in the newspaper, in the Times
Use of “on” for Place
Streets/Roads: on Fleet Street, on Fifth Avenue
Surfaces: on the floor, on the table, on the ceiling
Floors of buildings: on the first floor
Public Transport: on a bus, on a train, on a plane
Media/Communication: on the TV, on the radio, on the internet
Use of “at” for Place
Addresses: at 10 High Street, at The Red House, Bedford
Specific locations: at the bus stop, at the museum
Shops: at the coffee shop, at the bakery
Group activities: at a concert, at a party
Institutions: at school, at work, at home
Top/Bottom/End: at the top of the page, at the bottom of the stairs
Special Case – Desk/Table
On the table = item is on the surface
At the table = you are sitting next to it
✅ You sit at a desk, but you place things on it.
When do we say “on the table”?
When something is on top of the table (e.g., books, plates).
When do we say “at the table”?
When someone is sitting next to it (e.g., eating at the table).
Can we say “in the table”?
Very rarely—only if something is inside it, like a drawer. Usually, we don’t use “in” with a table.
What does “at the door” mean?
Someone is standing near or next to the door.
When do we use “on the door”?
When something is attached to the surface of the door (e.g., a poster or knock).