置于动词、介词等词性后面起宾语作用的从句叫宾语从句.宾语从句的语序必须是陈述语序.谓语动词、介词、动词不定式,v.-ing形式后面都能带宾语从句.有些形容词（afraid,sure,glad等）之后也可以带宾语从句. 宾语从句的语序是陈述句语序即：连接代词/副词+主语+谓语+其他成分.例句如下： I don’t know what they are looking for. Could you tell me when the train will leave? Can you imagine what kind of man he is?
