Exercise 1

Choose at, in, on to complete the sentences.

1 They are sitting the table.

2 I want to spend a year Barcelona.

3 The milk isn't the fridge. Where is it?

4 Is Peter's office the first or the second floor?

5 Why are all these clothes the bed?

6 Please, put the clothes the wardrobe.

7 Are you home?

8 I don't want to see her the party tonight.

9 I like the sea, but I prefer swimming a swimming pool.

10 Please, call me when you are the bus.



Summary chart

English grammar chart: at, in, on – prepositions of time

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at a point

We use at to refer to a point near something.

  • Can you see that car at the traffic light? (=The car is at a point near the traffic light)
  • Who is that man at the door. (=The man is at a point near the door)


at the top of/at the bottom of/at the end of

We use at in the expressions at the top ofat the bottom of  and at the end of.

  • She is at the top of the stairs. 
  • Please, sign at the bottom of the page.
  • The new café is at the end of the street. 


Group activities

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

  • We were at the cinema. 
  • I didn’t see you at Jackie’s party. 
  • We met at a concert. 


at + school/university/college

We normally use at with school, university and college.

  • He is at school every morning until 12. 
  • I’m studying at Oxford University.


be at home/work

We say be at home/at work (without the)

  • She’s at home. (NOT at the home)
  • I’ll be at work all morning. (NOT at the work)


at the shop

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

  • I’m at the bakery. 
  • If you are at the chemist’s, can you buy some aspirins?




in a 3D space

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

  • The book is in the bag. 
  • She is waiting in the classroom. 


in a space with limits

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

  • We are in France. 
  • I love the houses in the Alps.


in a car

We use in for cars and vans.

  • They are in the car.


in the water

We also use in when something is in the water: in the sea, in the river, in the swimming pool, etc.

  • The kids have fun in the swimming pool. 


in a picture, in a book

We also use in for things that are printed in books, pictures, documents, etc.

  • Who’s that woman in the picture?
  • Does it say anything about the concert in the newspaper?




on a surface

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

  • The book is on the table. 


on the first/second/etc. floor

We use on to refer to floors in a building.

  • The office is on the third floor. 


on the right/left

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

  • The office is on the third floor on the left. 


on the bus/train/plane

We use on when we are using public transport: on the bus, on a train, on a plane, etc.

  • She’s on the bus right now. 


on TV/the radio/the Internet/a website

We use on when we read, see or learn something on the media.

  • I saw it on TV last night