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hand out the leaflet
分发, 提出
1. …, and about 80 per cent of these cases can be prevented and cured.
2. The plane is also used as a training center.
3. Also, local doctors and nurses are invited on board to learn about eye operations.
4. …, 150 patients are operated on.
Translate the following sentence into Chinese.
语态是动词的一种形式，表示的是主语和谓语之间的关系。英语中的语态有两种：主动语态和被动语态。
当主语是谓语的执行者时，用主动语态。当主语是谓语的承受者时，用被动语态。如：
They clean the street every day
他们每天都打扫街道。
The street is cleaned (by them) every day.
街道每天都被(他们)打扫。
I watered the flowers yesterday.
昨天我浇了这些花。
The flowers were watered by me yesterday.
昨天这些花被我浇了。
被动语态的基本构成
主语
be动词
过去分词
一般现在时
I
am
supported.
You/We/They
are
He/She/It
is
一般过去时