The form for the Subjunctive and Indefinite or Nonexistent antecedents or entities is the required 3-part formula.
This complicated looking title about "Indefinite or Nonexistent antecedents or entities" is referring to situations when you are looking for, wishing for, wanting, or not seeing, something or someone that you want. You would use the Subjunctive (after que) to describe something that you want but don't know if it exists.
For example:
| I want a boyfriend who is tall, dark, a total babe and who likes to ride horses. | Quiero un novio que sea alto, moreno, requete guapo y que le guste montar a caballo. |
I use the Subjunctive here because I really don't know (currently) a person exactly like this.
On the other hand, if I see a guy that fits this description, I could point him out to my friends and say:
| I want to meet that guy who is tall and dark, and who likes to ride horses. | Quiero conocer al hombre que es alto y moreno, y a quien le gusta montar a caballo. |
And my friends would respond, "Oh, that is Hugh Jackman! He is already married! ¡Qué lástima!
If I am describing an employee who already works for me, I use the Indicative.
If I am an employer describing the type of employee I want to find, I would use the Subjunctive.
I also use the Subjunctive when I describe people who don't exist (or who I believe don't exist.) For example, if I point out that there is no one who can write in 15 languages, I use the Subjunctive. Anytime I start a sentence
| There is no one who... | No hay nadie que... |
I must use the Subjunctive in any description following that because I am describing someone who doesn't exist (except in my wishful thing).
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Subject #1: Es (Subject is It's) (Expression of wanting, looking for, wishing for or a statement indicating you do not believe the following person or thing exists.) |
This is the conjunction necessary to introduce the subjunctive clause |
Subject #2 + verb in the subjunctive (in this case, we are describing a person or thing that exists in our wishful thinking or that we believe doesn't exist in which case the person or the thing is still in our imagination.)
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