presentul perfect se formeaza cu have/has si cu verbul la forma a 3 -a sau cu terminatia -ed
3 it has disappered
4 B I have already seen it
A have you seen
5 B I haven`t finished
6 B they have got
7 B Has he losed
8 B I haven`t heard
9 B you have broken
10 you have been
11 A have you taken
12 I haven`t heard