Spanish Indicativo "Préterito perfeito simple" can be shortened to "Perfeito"

[bretttolbert]

Correction : Can be shortened to "Préterio"

See https://www.wordreference.com/conj/EsVerbs.aspx?v=comer

[drzraf]

I'd suggest to provide an option to always return dict keys in English (independently of the conjugations language requested).

A cli tools based on this library would likely benefit from consistent/generic/predictable dict keys.