Preposition On

On is used for position on a surface.

• There is a big spider on the ceiling.
• The cat is on the roof.
• That picture would look better on the other wall.

On can mean attached to.

• Why do you wear that ring on your first finger?
• There aren’t many apples on the tree this year.

On is also used to talk about position on a line (for example a road or a river).

• Stratford is on the river Avon.

We use on to talk about travel using buses, planes and trains, as well as motor cycles and horses.

• He is arriving on the 3.15 train.
• There is no room on the bus; let’s get off again.

We use on for the number of the floor.

• She lives in a flat on the third floor.

On: time

We use on with days.

• I will ring you on Monday.
• My birthday is on May 21st.
• We met on a cold afternoon in early spring.

We use on to talk about one day of the holiday.

• They are having a party on Christmas Day.
• What are you doing on Easter Monday?