We had gone to Chile after we had gone to Brazil first
I had never did anything like white-water rafting so I decided to try it
we hadnt seen each other for a long time when we had met for a drink
we had walked for many miles when we had seen the village
Sarah had known the road very well so she had travelled that way many times
запиши себе правило: had + V(3 form) or ending (ed)