(2) studied, (3) have worked, (4) was, (5) made, (6) lost, (7) hasn't seen, (8) was,(9) came out, (10) have visited, (11) have made, (12) haven't worked, (13) flew, (14) spent, (15) did you go, (16) wanted, (17) drove, (18) have travelled, (19) have met, (20) have you started, (21) signed, (22) was