Present Perfect Subjunctive
The forms Present perfect subjunctive is formed by using the present subjunctive of haber + the past participle.
Haber Haya Hayas Haya Hayamos Hayan
Past Participles Regular verbs form their participles by removing the –ar, --er, or –ir and adding -ado or –ido to the end. Remember that many verbs in Spanish have irregular participles that must be memorized. For example: Ver—visto Hacer--hecho
The uses To express emotion, judgment, doubt, or hope about something that has already happened. When a present or future verb in the main clause governs a subjunctive verb which refers to a past action.
Por ejemplo Indicative Juan recibe tu carta. Juan ha recibido tu carta. Subjunctive Espero que Juan reciba tu carta. Espero que Juan haya recibido tu carta.
Practica Ella quiere que tú ____________ a tiempo. (llegar) hayas llegado Es imposible que él lo _______. (ver) haya visto
Más practica Change the action of the dependent clause to the past Es dudoso que ellos no lo comprenden. hayan comprendido Es imposible que tú lo termines. hayas terminado