Помогите пожалуйста сделать эти номера

Ex3:
1) has lost; lost;
2) have you ever driven;
3) has never had;
4) did you see; has just phoned;
5) yet;
6) eight weeks ago;
7) I've been; for;
8) it's already started;

Ex4:
1) we've known; for;
2) I've been working
3) has passed; did he get...?
4) has gone; Did she leave...?
5) has stood