on

• Préposition indiquant une position ou un contact sur une surface, un moment précis, un sujet traité, un moyen ou une manière, une durée, une opposition ou une cause.

The preposition 'on' indicates position on a surface, time (days, dates), means of transport, means of communication, direction, reason, topic, membership of a group, source of livelihood and other relations.

1. Position on a surfaceA1formal

   Indicates the position of something touching or covering the surface of another thing.

   Position sur une surface

   • a picture on a wall
   • Put it down on the table
   • There's a mark on your skirt

2. Time: days and datesA1formal

   Used with specific days of the week, dates, holidays and special days.

   Temps : jours et dates

   • He came on Sunday
   • on May the first
   • on your birthday

3. Means of transportA2formal

   Indicates the vehicle or kind of transport by which someone travels.

   Moyen de transport

   • He was on the plane from New York
   • to travel on the bus
   • I came on my bike

4. Means of communication or mediaA2formalIT

   Indicates the device, platform or medium through which information is received or communication takes place.

   Moyen de communication ou média

   • The information is available on the internet
   • We spoke on the phone
   • What's on TV?

5. Direction or locationA2formal

   Indicates a side, a direction or closeness to a particular place.

   Direction ou position

   • on the left/right
   • a town on the coast
   • a house on the Thames

6. Basis or reasonB1formal

   Indicates the basis, reason or source for an action or a statement.

   Fondement, raison

   • a story based on fact
   • On their advice I applied for the job