主动形式表示被动意义
1)wash,clean,cook,iron,look,cut,sell,read,wear,feel,draw,write,sell,drive…
The book sells well.这本书销路好.
This knife cuts easily.这刀子很好用.
2)blame,let(出租),remain,keep,rent,build
I was to blame for the accident.
Much work remains.
3) 在need,require,want,worth (形容词),deserve后的动名词必须用主动形式.表示被动.
Your hair wants cutting.你的头发该理了.
The floor requires washing.地板需要冲洗.
The door needs repairing.= The door needs to be repaired.
This room needs cleaning.这房间应该打扫一下.
This book is worth reading.这本书值得一读.
4) 特殊结构：make sb.heard / understood (使别人能听见/理解自己),have sth.done ( 要某人做某事).
