English Grammar - Prepositions

Prepositions are used before nouns to give additional information in a sentence. They links nouns, pronouns and phrases to other words in a sentence. Usually, prepositions are used to show where something is located or when something happened.

Here are some prepositions showing the locations:

above
below
over
under
among
between
beside
in front of
behind
next to
with
in the middle of
on
in
at


Examples:

The book is beside the table.


Here are prepositions showing the time:

at
on
by
before
from
since
for
during
to
until


And here are the prepositions showing the action and movement:

at
by
from
into
on
onto
off
out of
after


Complex prepositions consist of two- or three-word combinations acting as a single unit.

Here are some examples:
according to
along with
apart from
because of
contrary to due to
except for
instead of
prior to
regardless of

More links on Prepositions:



http://137.122.14.100/academic/arts/writcent/hypergrammar/preposit.html

http://owl.english.purdue.edu/handouts/esl/eslprep2.html