A Spanish Question. Tenses?

I'm having a bit of a problem getting my head around the difference between two tenses in Spanish. Trabajar He Trabajado = I worked Trabaje = I worked I'm guessing one is like saying "I used to work" and one is like saying "I worked" as in "I worked today". Is that... show more I'm having a bit of a problem getting my head around the difference between two tenses in Spanish.

Trabajar

He Trabajado = I worked
Trabaje = I worked

I'm guessing one is like saying "I used to work" and one is like saying "I worked" as in "I worked today". Is that right?
If anyone could clear this up for me and give a couple of examples that would be great.

Thanks in advance!
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