1.
a: at, to
2.
a cargo de: in charge of
3.
a causa de: because of, on account of
4.
a diferencia de: unlike
5.
a eso de: about, around(+ time of day)
6.
a excepción de: with the exception of
7.
a favor de: in favor of
8.
a fin de: in order to
9.
a fines de: toward (at) the end of
10.
a fuerza de: by the force of
11.
a la derecha de: to the right of
12.
a la izquierda de: to the left of
13.
a lo largo de: throughout
14.
a mediados de: in the middle of
15.
a partir de: beginning with, from, on, starting on..
16.
a pesar de (que): in spite of, despite
17.
a principios de: at the beginning of, early in
18.
a través de: through
19.
acerca de: about, concerning
20.
además de: besides, in addition to
21.
al cabo de: at the end of
22.
al lado de: next to, alongside of
23.
alrededor de: around (place)
24.
ante: before
25.
antes de: before (time, order)
26.
bajo: under
27.
cerca de: near, close to
28.
con: with
29.
con motivo de: with the purpose of
30.
con respecto a: regarding
31.
conforme a: according to
32.
contra: against
33.
contrario a: contrary to
34.
de: of, from
35.
debajo de: under, beneath
36.
debido de: due to
37.
delante de: before(space), in front of
38.
dentro de: within, inside of, in
39.
desde: from, since
40.
después de: after (time, order)
41.
detrás de: behind (place), after
42.
durante: during
43.
en: in, on, into, at
44.
en busca de: in search of
45.
en contra de: against
46.
en frente de: before, in front of
47.
en lugar de; en vez de: instead of, in place of
48.
en medio de: in the middle of
49.
en virtud de: by virtue of
50.
encima de: on top of, above, over
51.
excepto: except
52.
frente a: opposite to, across from
53.
fuera de: outside of, beyond
54.
hacia: toward
55.
hasta: until, as far as, up to
56.
junto a: next to, close to
57.
lejos de: far from, distant from
58.
mediante: by means of
59.
menos: except
60.
para: for, in order to, considering
61.
por: for, by, through, for the sake of, in exchange for, per
62.
por causa de: on account of, because of
63.
por razón de: as a consequence of; by reason of
64.
respecto a: relative to
65.
salvo: except, save
66.
según: according to
67.
sin: without
68.
sobre: on, about, over, concerning
69.
tras: after, behind