Uncle Wang asked me where my father had been and what he had been doing all those days改为直接引语

Uncle Wang said,"Where has your father been and what has he been doing all those days?"had been是不是过去完成时，不是说过去完成时不用变的吗》？应为asked是过去式，所以说在间接引语应该比直接引语后退一个时态，因此直接的应该是现在完成时。