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Antes (de)
Before
Después (de)
After
Mientras
While
A menudo
Often
Frecuentemente
Frequently
Además
In addition to
Siempre
Always
Durante
During
Finalmente
Finally
Al principio
At first/At the beginning
Al final
At the end
Luego
Later
Entonces
Then
Aunque
Although
Entre
Between
Frente a
Opposite
Por último
Lastly
De todos modos
In any case/Always
Sin embargo
However
También
Also
De repente
Suddenly
Por eso
Therefore
Desafortunadamente
Unfortunately
Desde
Since