Поставить в past perfect: 1,2,4,5,6

1. had started
2. had eatten
4. had finished
5. had been
6. had met

1. When I arrived at the cinema, the film had started.
2. After they had eaten the shellfish, they began to feel sick.
4. When we had finished dinner, we went out.
5. The garden was dead because it had been dry all summer.
6. He had met her somewhere before.