（1）系动词look; taste; smell; sound; prove; feel; get; turn 等没有被动形式。
You reason sounds very reasonable.
Good medicine tastes bitter to the mouth.
（2）一些与副词well; easily; smoothly; perfectly等连用的动词如：sell; write; wash; clean; burn; cook用主动形式表示被动意义。
The pen writes quite smoothly.
This kind of cloth washes very well.
Your report reads well.
2. 不能用与被动语态的不及物动词：happen; appear; rise; break out; belong to; lack; remain; fit; suffer from 等
This key just fits the lock.
After the big fire, nothing remained.
3. 不定式中用一般式to do表示被动意义的句型结构：
There be something to do
Sb. have something to do
主语+be +形容词（easy; difficult; important; dangerous; amusing; pleasant 等） to do
He has a big family to support; so he has to work extra hours every day.
Do you have anything else to add?
The program is very easy to receive if you have a good short-wave radio.
4. 用动名词形式表示被动意义：在动词need; want; require后面。
These young plants will need looking after.
联系客服
