Subjunctive after verb's of emotion

In Spanish, the subjunctive is found after verbs of emotion in the subordinate clause of sentences with a verb of emotion, and that contain a change of subject from the main clause to the subordinate clause.

Example with verb of emotion: "gustar"

A mí me gusta que tú hagas los deberes.

Translation: I like you to do your homework.

The main clause = A mí me gusta (Subject "yo")

The subordinate clause : que tú hagas los deberes (Subject "tú")

(change of subject from the main clause.)

verb "hagas" second person in the singular , present subjunctive.