I want you to come to the party (“I want” triggers the subjunctive)
Quiero que vengas a la fiesta
I hope you’re happy [in this moment]
Espero que estés feliz
Even if I study ALOT, I won’t pass [even if triggers the subjunctive]
Aunque estudié muchísimo, no voy a aprobar
Let me know when you finish
Avísame cuando termines
It is important to sleep eight hours [it is important/possible/necessary are the subjunctive triggers]
Es importante que duermas ocho horas
I recommend that you drink two liters of water
Te recomiendo que bebas dos litros de agua
If I were you, I’d call Carlos
Si yo fuera tú, llamaría a Carlos
I hope they call me
Ojalá me llamen