Resposta:
a) take picture for the passport ( )
He has already taken a picture for the passport
b) get a visa ( )
he has not gotten a visa yet
c) fill in the application form ( )
he has already filled the application form
d) ask his teacher for a reference letter ( )
he has not asked his teacher for the reference letter yet
e) buy the plane ticket ( )
he has already bought the plane ticket
f) pack his luggage (
he has already packed his luggage
Explicação:
present perfect 3RD person sing ( HAS ) + main verb PAST PARTICIPLE
YET TO NEGATIVE SENTENCES
ALREADY TO POSITIVE SENTENCES