Prepositions

Prepositions
A preposition links nouns, pronouns, and phrases to other words in a sentence. The word or phrase that the preposition introduces is called the object of the preposition.
Sample Prepositions
about
behind
from
on
toward
above
below
in
on top of
under
across
beneath
in front of
onto
underneath
after
beside
inside
out of
until
against
between
instead of
outside
up
along
by
into
over
upon
among
down
like
past
with
around
during
near
since
within
at
except
of
through
without
before
for
off
to
 
Examples:
The bird is on the tree.                                     We should stop for lunch before we get there.
The girl is near the table.                                 The car is in front of the house.
We leaned against the porch.                         Sara’s car is across the parking lot.
The soda is by the food.                                   He held the book over the table.
Note: When the same preposition is used with both parts of the compound unit, it should be written only after the second unit.
Correct: We were alternately repelled and fascinated by the snake charmer’s act.
Incorrect: We were alternately repelled by and fascinated by the snake charmer’s act.
Avoid Unnecessary or repeated prepositions. Delete the underlined prepositions in formal writing.
I met up with your uncle yesterday.
We keep the dog food inside of the house.
The package fell off of the speeding truck.
Where is your older brother at?
*Adapted from Handbook of English Fundamentals by Donald W. Emery, John M. Kierzek, and Peter Lindblom and http://www.arts.uottawa.ca/writcent/hypergrammar/preposit.html.