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。
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)。
