12.5 主動形式表示被動意義

　1)wash, clean, cook, iron, look, cut, sell, read, wear, feel, draw, write, sell, drive…
　　The book sells well.　　這本書銷路好。
　　This knife cuts easily.　 這刀子很好用。

　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 (形容詞), deserve后的動名詞必須用主動形式。
　　The door needs repairing.= The door needs to be repaired.
　　This room needs cleaning. 這房間應該打掃一下。
　　This book is worth reading.　這本書值得一讀。

　4) 特殊結構：make sb. heard / understood (使別人能聽見/理解自己)，have sth. done ( 要某人做某事)。