PREPOSITIONS

Prepositions are words that are used to indicate location.

The airplane flew above the ocean.
The ship sailed on the ocean.
The swimmer was in the ocean
.

Below are two tables showing common and compound prepositions:

Common Prepositions
about
above
across
after
against
along
among
around
at
before
behind
below
beneath
beside
besides
between
beyond
concerning
down
during
except
for
from
in
into
like
of
off
on
onto
over
past
regarding
since
through
throughout
to
toward
under
underneath
until
up
upon
with
without

Compound Prepositions
according to
along with
apart from
as for
as to
because of
by way of
contrary to
due to
in addition to
in connection with
in contrast to
in defense of
in place of
in reference to
in regard to
in spite of
instead of
in support of
on account of
on behalf of
together with
with reference to
with regard to
with respect to

Note: The word "but" is also a preposition when used in the meaning of "except" in a sentence.
Nobody showed up but me.

Overuse of prepositions

    Keep sentences simple.
    They fell off the bench.
    This sentence is better than: They fell off of the bench.
Note: Usage of different prepositions can be found in the fourth booklet in the series: 101 Grammatical Tips.