补语：补语用于补充说明主语或宾语;补语通常由形容词、名词或其他相当的结构担任;补语可分为宾语补足语和主语补足语。
例如：宾语补足语
The government appointed her chief delegate to the conference.
政府任命他为出席那个会议的代表团团长。
He doesn’t believe the story is ture.他不相信这个故事是真的。
The doctor advise her to stay bed for a week.医生建议她卧床休息一周。
They saw her walking into the book store他们看见她进书店了。
The children saw kite up and up.孩子们看到风筝越飞越高。