We use 'in' with spaces:
•in a room / in a building
•in a garden / in a park
We use 'in' with bodies of water:
•in the water
•in the sea
•in a river
We use 'in' with lines:
•in a row / in a line
•in a queue
We use 'at' with places:
•at the bus-stop
•at the door
•at the cinema
•at the end of the street
Use 'at' with places on a page:
•at the top of the page
•at the bottom of the page
We use 'at' in groups of people:
•at the back of the class
•at the front of the class
We use 'on' with surfaces:
•on the ceiling / on the wall / on the floor
•on the table
We use 'on' with small islands:
•I stayed on Maui.
We use 'on' with directions:
•on the left
•on the right
In / at / on the corner
We say 'in the corner of a room', but 'at the corner (or 'on the corner') of a street'
In / at / on the front
•We say 'in the front / in the back' of a car
•We say 'at the front / at the back' of buildings / groups of people
•We say 'on the front / on the back' of a piece of paper
Now, try this quiz to check your understanding! CLICK HERE!
Or practice with these exercises:
Activity one: Put the prepositions (IN,ON,AT) in the right place.
Activity Two: Put the prepositions (IN,ON,AT) in the right place.
Activity three: Put the prepositions (IN,ON,AT) in the right place.