allows you to show what your attitude is towards what you are saying
The subjunctive in English expresses:
If they had known the truth, they would have been angry.
I would like us all to get together.
Te pido que me escuches.
unlikely situations, hypothetical or doubts, wishes, advice and orders.
What is the subjunctive mood used for?
De haber sabido la verdad, que se hubieran enojado.
Me gustaría que nos juntemos todos.
Qué bueno que estés aquí.
It's good that you're here.
I ask you to listen to me.