宾语和宾语补足语合称为"复合宾语"。句子结构为:"主语+及物动词+宾语+宾语补足语"。能作宾语补足语的有名词、形容词、动词-ing形式、动词不定式、介词短语等
I saw him playing football.
him+playing football就是复合宾语
也就是直接宾语和间接宾语!
举个例子They gave him a watch.在这里a match是直接宾语!
him是间接宾语!也就是主谓后有双宾语!
http://baike.baidu.com/view/1483660.htm