So What is a

Preposition?By: Elizabeth Crocker

Prepositions are a group of words that show relationships between nouns, pronouns and other words

in a sentence. Most often they come before a noun. They never change their form, regardless of the word they are referring to.

Prepositions can come before a time or place :

For example:

• at 10a.m.• at home

• on Tuesday, December 6th • on the table• in January • in Riyadh

Preposition of Time

English Word Usage Example

on days of the weeks on Monday

in

months/season time of day

year after a period of

time(when?)

in August/ in winter in the morning

in 2009 in an hour

at

for night a point of time

(when?) at night

at half past nine

Prepositions of Place

English Word Usage Example

in

room, building, street, town, country

book, paper car, taxi

picture, world

in the kitchen, in Riyadh

in the book in the car, in the taxi in the picture, in the

world

at

meaning next to, by an object

for events place where you are

to do something typical (watch a

movie, study, work)

at the door at a concert, at the

party At the theater, at

school, at work

on

Being on a surfaceFor a certain side (left

or right) for television, radio

on the table, on the wall

on the left on TV, on the radio