The prepositions at, in and on are often used in English to talk about places and times.
Prepositions of Time simply show the relationship of time between two parts of a sentence. Prepositions are the words that connect these ideas together by explaining how they relate to each other in terms of time.
Prepositions of Place work similarly to prepositions of time, but instead of showing the relationship of time, they show the relationship of place between two parts of a sentence.
Generally, in shows the “largest” time or place, on shows dates and time, and at usually shows the “smallest” time or place.



Note: Do not use in/at/on before “next” or “last”
We will get married next year.
Their baby was born last March.
Examples of Time Prepositions
IN
- in the morning
- in the afternoon
- in the evening
- in February
- in the summer
- in the winter
- in the autumn
- in the spring
- in 1999
- in the 1920’s
- in the seventies
- in the 21st century
- in the past
- in the present
- in the future
- in 10 year’s time
ON
- on Sunday
- on April 1st
- on the 13th
- on the first day
- on the last day
- on my birthday
- on Christmas day
- on Easter day
- on holiday
- on my wedding day
- on that day
AT
- at 11 o’clock
- at midday
- at noon
- at dawn
- at night
- at the weekend
- at Christmas
- at Easter
- at the moment
- at that time
- at the beginning
- at the end
- at breakfast
- at dinnertime
- at bedtime
Examples of Place Prepositions
IN
- in a box
- in a queue
- in a row
- in a lift
- in a car
- in a taxi
- in the garden
- in Oxford street
- in New York
- in a room
- in the kitchen
- in the cinema
- in the bank
- in the library
- in a garden
- in the city center
- in a pool
- in London
- in the picture
- in the world
ON
- on a bus
- on a train
- on a plane
- on a ship
- on a bicycle
- on a horse
- on the radio
- on the television
- on the phone
- on the Internet
- on a table
- on a wall
- on the floor
- on the roof
- on the menu
- on the page
- on the door
- on a map
- on a list
- on the left
- on an island
- on the second floor
- on TV
- on the shelf
AT
- at the front
- at the back
- at the top
- at the bottom
- at the door
- at the exit
- at the entrance
- at home
- at work
- at the office
- at school
- at a party
- at the bus stop
- at the station
- at the doctor’s
- at the concert
- at the airport
- at the restaurant
- at the university
- at the theater
- at the hotel
- at the wedding
- at the corner of the street
- at the center
- at the back of the house
- at the table
- at the football match
- at the traffic lights
- at the hairdresser’s
- at a conference
- at someone’s house
- at the movies
- at the beach
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