双宾语及一人一物,都与主语发生联系如give sb sth,buy sb sth,pass sb sth 等,而宾补是回答宾语怎么样了的句子成分,宾补动作是由宾语发出的,与主语无关.感官动词和使役动词后常接宾补如mother asked me to buy some ...