1 has written
2 has never worked
3 has begun, has taken
4 have you read
5 hasn't told
6 have just come
7 has learnt
8 have never heard
9 have just driven
10 has bought
11 has he taught
12 haven't been
13 hasn't finished
14 has gone
15 have bought
16 have found
17 has written
Present Perfect-I,we,they,you+have + III форма неправильного глагола/ или правильный глагол с окончанием ed
He,she,it +has+ III форма неправильного глагола/ или правильный глагол с окончанием ed