Present Perfect

He has worked abroad.

Lui ha lavorato all'estero.

Paul has changed his job.

Paul ha cambiato lavoro.

I have seen Carol today.

Io ho visto Carol oggi.

She hasn't had a shower since yesterday

Lei non fa la doccia da ieri.

They haven't lived here for years.

Loro non vivono qui da anni.

We haven't seen her today.

Noi non l'abbiamo vista oggi.

Have you played the piano since you were a child?

Suoni il piano da quando eri un bambino?

Have you ever seen a ghost?

Hai mai visto un fantasma?

Has Sue finished her homework yet?

Ha Sue già finito i compiti?

Aggiungendo ED al verbo base

WORK > WORKED ; PLAY > PLAYED

verbi che finiscono per consonante + Y => cambiano la Y in IED

STUDY > STUDIED ; TRY > TRIED

verbi che finiscono per consonante + vocale + consonante => raddoppiano la consonante

STOP > STOPPED ; PLAN > PLANNED

BE > BEEN (essere)

HAVE > HAD (avere)

GO > GONE (andare)

MEET > MET (incontrare, conoscere)

DO > DONE (fare)

EAT > EATEN (mangiare)

SEE > SEEN (vedere)