補語：補語用于補充說明主語或賓語;補語通常由形容詞、名詞或其他相當的結構擔任;補語可分為賓語補足語和主語補足語。

例如：賓語補足語

The government appointed her chief delegate to the conference.

政府任命他為出席那個會議的代表團團長。

He doesn’t believe the story is ture.他不相信這個故事是真的。

The doctor advise her to stay bed for a week.醫生建議她臥床休息一周。

They saw her walking into the book store他們看見她進書店了。

The children saw kite up and up.孩子們看到風箏越飛越高。

You should put your books in order.你應該把你的書擺整齊。