Modal verbs-must/have to- should/ought to-may/might/must/can have p.p. verb
The subject of the sentence tells who is doing the action. It is often a name. Subject pronouns replace peoples names to tell who is doing the action.
Designing an Internal ADR Program Richard A. Posthuma, J.D., Ph.D., GPHR, SPHR 2010.
¿Qué día es hoy? martes,veintiocho de octubre ¿Qué fecha es hoy? día = ?día = day fecha = ? fecha = date mes = ?mes = month hoy = ? hoy = today.
