1before i(go) out , i (ask) my parents for premmisson
=> went / had asked
2 before jane(start) to make cake she(prepare) ingedients
=> started / had prepare
3 the tonardo(destroy)many house before it(stop)
=> had destroyed / stopped
4people(surfer) from waterbonriner diseases after the the severe flood last year
=> surfered
5they (prepare) carefully in the hummican before it (arrive)
=> had prepared / arrived
6 i (never met) peter before the party last night
=> had never met