Варианты ответа:
первое:
1: was going
2: went
3: has gone
4: had gone
второе:
1: strolled
2: was strollen
3: had strollen
4: was strolling
третье:
1: washed
2: was washing
3: had been washed
4: would be washed
четвертое:
1: amazed
2: is amazed
3: was amazed
4: haw amazed
пятое:
1: never saw
2: had never seen
3: has never seen
шестое:
1: was tossing
2: has tossed
3: would toss
4: tossed
седьмое:
1: are doomed
2: were doomed
3: had doomed
4: doomed
восьмое:
1: have helped
2: help
3: was helping
4: had helped