Use the present perfec tense in these sentences. 1)he (write) already a new song. 2)she (enter) a photo competition. 3)he (visit) the museum. 4)we (change) our plan. 5)i (be) to the usa.

He write already a new song.
She enter a photo competition.
He visit the museum
We change our plan.
I be to the USA

He has already written a new song
She has entered a competition
He has visited the museum
We have changed our plan
I hava been to the USA