Answer:
These types of verbs don't have to tell us who or what is performing the action, but they may do so in a prepositional phrase. These types of verbs are formed with the help of a helping verb.
Explanation:
1.¿cuando piensas terminar tu carrera?
2.¿que clases vas a tomar el próximo semestre?
3.¿por que quieres estudiar en España?
4.¿prefieres estudiar en Madrid o en en Sevilla?
5.¿puedes describir tu personalidad?