主语和谓语动词之间主动发出的动作
没有明确的主动关系，重点是被动语态
主语和谓语动词之间是被做的关系
Be +done
Be: 被动的时间，注意主语确定单复数
done： 被动的动作
| 时态 | 例句 |
|---|---|
| 过去 | These critics were forgotten. |
| 现在 | There critics are forgotten. |
| 将会（现在的将来） | There critics will be forgotten. |
| 过去将会（过去的将来） | There critics would be forgotten |
| 过去正在 | There critics were being forgotten. |
| 现在正在 | There critics are being forgotten. |
| 过去已经（过去的之前） | There critics had been forgotten. |
| 现在已经（现在的之前） | There critics have been forgotten. |
For example, lighting was always changed on a Sunday.
Our subway trains are controlled by tireless robot-drivers.
The truth will not be known for years.
But the great universal of male mortality is being changed.
The study of law has been recognized for centuries as a basic intellectual discipline in European universities.
In the internet age, as least in theory, this fraction can be much reduced.
Those first few days should be spent looking for work.
weaker races and societies must eventually be replaced by stronger, more advanced races and societies.