about
above
across
after
against
along
among
around
as
at

before
behind
beneath
beside
between
beyond
by  
despite
during
except
for

from
in
inside
into
like
near
of
off
on
onto
outside
over

since
through
to*
toward
under
until
up
upon

with
within
without
aside from
as to
because of
instead of
out of
regardless of

"but" when it means "except" 

"past" when it means "by." 

*"to" plus a noun or pronoun is a prepositional phrase

"to" plus a verb is not.