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Haber. The present perfect is formed using the present of the verb haber past participle.yohet?has?l / ella / Ud.hanosotros(as)hemosellos / ellas / Uds.han. Past Participles. The past participle of regular verbs is formed by adding:-ado to the infinitive stem of ?ar verbs, and -ido to the infinitive stem of ?er and ?ir verbs.
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1. Present Perfect El presente perfecto
2. Haber The present perfect is formed using the present of the verb haber + past participle.
yo he
tú has
él / ella / Ud. ha
nosotros(as) hemos
ellos / ellas / Uds. han
3. Past Participles The past participle of regular verbs is formed by adding:
-ado to the infinitive stem of –ar verbs, and
-ido to the infinitive stem of –er and –ir verbs
4. The present perfect is called a compound tense because it consists of two verb forms:
The present tense of the verb haber and
The past participle of the verb being used.
7. The present perfect tense is used to describe a recently completed action.
In compound tenses the verb haber and the participle are never separated.
8. Irregular participles
9. decir: to tell, to say
hacer: to do, to make
ver: to see
escribir: to write
abrir: to open
cubrir: to cover
morir: to die
poner: to put
dicho
hecho
visto
escrito
abierto
cubierto
muerto
puesto
10. volver: to return
devolver: to return
romper: to break vuelto
devuelto
roto