Respostas

2013-10-20T21:35:50-02:00
A-)We have been to Asia many times
b-)She hasn't used the computer
c-)Have you appreciated the celebration?
d-)She has studied Philosophy for 3 years
e-)He has visited his parents in Portugal
2013-10-21T11:49:47-02:00
O Present perfect é formado pela estruturas:
No afirmativo: Subject + have/has + verb in past participle + complement
No negativo:  Subject + haven't/hasn't + verb in past participle + complement
No interrogativo: Have/ Has + Subject + verb in past participle + complement

a. We have been to Asia many times.
b. She hasn't used the computer.
c. Have you appreciated the celebration?
d. She has studied Philosophy for 3 years.
e. He hes visited his parents in Portugal.