1.open,lock,sell,read,write,clean,cut,wash,burn,teach,drive,shut 等及物动词在用作不及物动词时,它们的主语为物,可用主动语态表示被动意义.如：
This kind of skirt sells well.这种样式的裙子很好卖.
The car drives well.这车很好开.
2.end,cool,do,print,copy,sell,work out,build 等动词的现在进行时态表示被动意义.如：
Our new teaching building is building.
3.look,taste,smell,sound 等连系动词用主动语态表示被动意义.如:
The dress looks nice on you.
The dish tastes good.
4.be worth doing 结构中doing为主动语态表示被动意义.如：
The topic is well worth talking about.
5.want,need,require等动词表示“需要”,后面常可跟动词—ing形式表示被动意义,相当于to be done .如：
All these computers need repairing.=All these computers need to be repaired.
6.在too...to...及enough to结构中有时表示被动意义.如：
The problem is too difficult to solve.