at, in, on – prepositions of place (theory)

at a point

at a point

at a point

at the top of, at the bottom of and at the end of.

at the top of, at the bottom of and at the end of.

at the top of, at the bottom of and at the end of

Group activities

We use at to refer to group activities like parties, concerts, and other events.

___ a party

We use at to refer to group activities like parties, concerts, and other events.

We use at to refer to group activities like parties, concerts, and other events.

We normally use at with school, university and college.

We normally use at with school, university and college.

We say be at home/at work

We use at to refer to shops, restaurants, cafés, etc.

We use at to refer to shops, restaurants, cafés, etc.

We use at to refer to shops, restaurants, cafés, etc.

___ a 3D space

We use in to refer to a position inside of a three dimensional space.

___ a 3D space

We use in to refer to a position inside of a three dimensional space.

___ a 3D space

We use in to refer to a position inside of a three dimensional space.

___ a space with limits

We also use in for areas that have limits or boundaries, like continents, countries, cities, regions, etc.

___ a space with limits

We also use in for areas that have limits or boundaries, like continents, countries, cities, regions, etc.

___ a space with limits

We also use in for areas that have limits or boundaries, like continents, countries, cities, regions, etc.

___ a space with limits

We also use in for areas that have limits or boundaries, like continents, countries, cities, regions, etc.

___ a space with limits

We also use in for areas that have limits or boundaries, like continents, countries, cities, regions, etc.

small transport

small transport

the environment

small transport

small transport

small transport

in the sea, in the river, in the swimming pool

in the sea, in the river, in the swimming pool

in the sea, in the river, in the swimming pool

in the sea, in the river, in the swimming pool

printed material

printed material

We use on to refer to a position on a surface.

We use in to refer to a position inside of a three dimensional space.

We use in to refer to a position inside of a three dimensional space.

We use on to refer to a position on a surface.

We use on to refer to a position on a surface.

We use on to refer to a position on a surface.

on the first/second/etc. floor We use on to refer to floors in a building.

We use on in the expressions on the right and on the left.

We use on in the expressions on the right and on the left.

public transport, target important

public transport, target important

public transport, target important

public transport, target important

media

media

media

media

media

We sit at a point near a table, we don't sit on the surface of a table or in the table, because a table is not a room or a place that we can be in.

We use in to refer to a position inside of a three dimensional space, like a wardrobe.

We use on to refer to a position on a surface.

attic is room not floor

We use at to refer to position near a specific point. We can have a picnic at a point near the lake, but not on the lake (on the water) or in the lake (in the water).

We use in to refer to a position inside of a three dimensional space, and a piggy bank is a three dimensional space.

We use at to refer to position near a specific point. We can stand at a point near the window, but not in the window (inside) or on the window.

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If the object is in the Moon, or an appearance in the disk of the Moon as viewed from some place, then use “in”.

If the object is on the surface of the Moon ... then use “on”.

In means you are inside Mars (the inside of the sphere). This pretty much is never going to be right for a person visiting Mars but you can say that some scientists believe there is water in Mars.

At is a particular place (or position).

surface