特殊疑问词what/ when/ where/ who等引导的宾语从句：此类宾语从句原来是特殊疑问句，变成宾语从句后要用陈述语序，由wh-开头的疑问词引导。包括who, whom, whose, what, which等连接代词和where, when, how, why等连接副词，这些引导词有各自的意思，在从句中要作相应的成分，不能省略。例如：Could you tell me which gate we have to go to?请问我们得走哪个门？He didn’t tell me how long he would stay here.
