Past simple или Present perfect?

Question

К какому времени относятся данные глаголы? 
 
1) have just fenished. 
2) have you done 
3) have worked 
4) spent 
5) did you learn 
6) taught 
7) have you ever been 
8) have been

Loki 75 · Accepted Answer

1) have just finished - P.S. 
2) have you done - P.P. 
3) have worked - P.P. 
4) spent - P.S. 
5) did you learn - P.S. 
6) taught - P.S. 
7) have you ever been - P.P. 
8) have been - P.P.

Ольга Матвеева · Answer

В первой строчке у Alexander Alenitsyn ошибка. 
1) have just finished - P.P.