need作為實(shí)義動(dòng)詞
人＋need＋to do物＋need＋doing物＋need＋to be done，
例如：
The room needs cleaning=The room needs to be cleaned. 房間需要打掃了.
另外,“need”作實(shí)義動(dòng)詞時(shí)后還可以直接跟名詞。
It is a question that needs very careful consideration．這是一個(gè)需要謹(jǐn)慎考慮的問(wèn)題