antes (de) = before
ahora = now
a la una = at (for time with one o'clock)
a las = at (for time with all hours but one o'clock) [i.e., a las once y media]
a veces = sometimes, at times
al lado de = next to
casi = almost
cerca de = near/close to
cuando = when
de la mañana = in the morning
de la tarde = in the afternoon
de la noche = at night / in the evening
de vez en cuando = once in a while
debajo de = underneath
delante de = ahead of
enfrente de = in front of
después (de) = after
detrás de = behind
durante = during (i.e., durante la escuela...)
en el invierno = in the winter
en el otoño = in the fall
en el verano = in the summer
en la primavera = in the spring
encima de = on top of
entonces = then, so
finalmente = finally
hoy = today
juntos/juntas = together
lejos de = far from
los fines de semana = on the weekends
los lunes/martes/etc = on Mondays/Tuesdays/etc
más = more
mientras = while
muchas veces = often, many times
mucho = a lot, much
muy = very
nada = nothing, at all
nunca = never
o = or
pero = but, although
por supuesto = of course
porque = because
primero = first
pues = then, so
siempre = always
también = also
tampoco = neither, either
tarde = late
temprano = early
todos los días = every day
un poco = a little
y = and