Respostas
Resposta:
O "present perfect" de qualquer verbo é composto por dois elementos: a forma apropriada do verbo auxiliar to have (no presente) e o "past participle" do verbo principal. A forma do "past participle" de um verbo regular inclui o radical + ed (ex.: played, arrived, looked). Para os verbos irregulares, consulte a Tabela de Verbos Irregulares da seção "Verbos".
Explicação:
1. I ___________ (fly) in a plane.
2. I ___________ (eat) crocodile.
3. I ___________ (be) on stage.
4. We ___________ (give) blood.
5. She ___________ (meet) a famous person.
6. I ___________ (visit) a safari park.
7. I ___________ (learn) another language.
8. I ___________ (witness) a crime.
9. He ___________ (break) a bone.
10. I ___________ (hold) a snake.
A baixo segue as respostas... espero ter lhe ajudado
1 have flown
2 have eaten
3 have been
4 have given
5 has met
6 have visited
7 have learnt
8 have witnessed
9 has broken
10 have held