V
1 had never seen
2 remembered...  forgot
3  has selt
4  have you ever put .... went
 5 have not seen

1 had never seen
2 remembered...  forgot
3  has selt
4  have you ever put .... went
 5 have not seen
6/watching....does

IV
1 went-had finished          6 watched- had done            11  told - visited                                16 was- had eaten
2 had already seen           7 was                                     12 had hardly prepared - went        17 had broken
3 went                                8 had gone - sat, rested        13 had I watched - rang                  18 had not worked- would have attended
4 had not eaten                 9 had gone-went                   14 watched- had done                      19 had had
5 had already begun         10 won                                   15 had washed- slept                       20 had stayed