英语或美语中什么时候用主动表被动呢?

1 动词want ,need ,require ,deserve ,形容词worth 后面常常用动名词的 主动形式表示被动的含义.
The car needs cleaning .
This point deserves mentioning .
The book is worth reading .
2 有些不及物动词和副词well ,easily 连用时
The cloth sells well .
The thid act plays well .
The poem reads smoothly .
3 有些不及物动词和can't ,won't 连用时
The play won't act .
In warm weather meat and fish won't keep long .
4 表示开始,结束的动词
The museum opens at 8 .
The store closes at 10 p.m..
5 某些做表语的形容词后面,用不定式的主动形式表示被动意义
The fish isn't fit to eat .
This kind of book isn't tif to read .
6 某些感官动词和系动词与形容词连用时
The water feels very cold .
The dish tastes delicious .