is/are going to (está(ão) indo) -> was/were going to (estava(m) indo) DD: They said: "We are going to the airport" - Eles disseram: “Estamos indo ...

is/are going to (está(ão) indo) -> was/were going to (estava(m) indo)

DD: They said: "We are going to the airport" - Eles disseram: “Estamos indo para o aeroporto” (Futuro com Going to)
DI: They said (that) they were going to the airport. - Eles disseram que estavam indo para o aeroporto. – (Passado com Going to)