1、宾语从句中
当宾语从句的主句采用一般过去时,且从句的动作先于主句的动作时,从句要用过去完成时。这种情况多见于间接引语的用法里,其主句的谓语动词常见的有told、said、knew、heard、thought、asked等。如:
The accused man said he had been framed. (被告说他受人陷害了。)
He told me that he had met her the night before. (他告诉我他曾在那前一天晚上见过她。)
He asked her what she really had meant. (他问她究竟是什么意思。)