The Past Participle is used after ESTAR
Regular verbs:
-AR verbs: drop “ar” add -ado/ados/as
-ER verbs: drop “er” add -ido
Example:
El libro está leído
Los libros están leídos
The past participle used in past tenses:
Present perfect = (I have done)
Future perfect = (I will have done)
Past perfect = (I had done)
Present Perfect (Indicative):
Conjugate HABER + past participle
he, has, ha, hemos, habéis, han
Example:
Yo he estudiado; ellos han comido
Present Perfect (Subjunctive):
HABER – haya, hayas, haya, hayamos, hayáis, hayan
Regular verbs:
-AR verbs: drop “ar” add -ado/ados/as
-ER verbs: drop “er” add -ido
Example:
El libro está leído
Los libros están leídos
The past participle used in past tenses:
Present perfect = (I have done)
Future perfect = (I will have done)
Past perfect = (I had done)
Present Perfect (Indicative):
Conjugate HABER + past participle
he, has, ha, hemos, habéis, han
Example:
Yo he estudiado; ellos han comido
Present Perfect (Subjunctive):
HABER – haya, hayas, haya, hayamos, hayáis, hayan