Have/Has + past participle
I, you, we, they: HAVE + Past Participle (3ªcolumna/ verbo con-ed)
He, she, it: HAS + Past Participle
Ejemplo: They have visited their parents.
He has bought a cake.
Haven’t + Past Participle
Hasn’t + Past Participle
Ejemplo: They haven’t visited their parents.
He hasn’t bought a cake.
Have/ Has + sujeto + Past Participle +…?
Ejemplo: Have they visited their parents?
Has he bought a cake?
Already se utiliza en:
- Afirmativa: I have already finished my homework. (ya)
Yet se utiliza en:
- Negativa: I haven’t played that game yet. (aún)
MIX: present perfect /past simple
For and since
Present Perfect Continuous
Ever and never