作业帮英语语法Over a hundred people must have been driven away from their homes by the noiseOver a hundred people must have been driven away from their homes by the noise这句话里面must be表示推测,been driven 是不是还构成被动语态我
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英语语法Over a hundred people must have been driven away from their homes by the noiseOver a hundred people must have been driven away from their homes by the noise这句话里面must be表示推测,been driven 是不是还构成被动语态我
英语语法Over a hundred people must have been driven away from their homes by the noise
Over a hundred people must have been driven away from their homes by the noise
这句话里面must be表示推测,been driven 是不是还构成被动语态
我对英语什么都不懂
英语语法Over a hundred people must have been driven away from their homes by the noiseOver a hundred people must have been driven away from their homes by the noise这句话里面must be表示推测,been driven 是不是还构成被动语态我
你说的很对,这是对过去发生的事情的推测,而且是被动语态.
表推测的时候有两种说法：一个是must be;另一个是must have done
例如：那个人一定是我们老师吧!It must be our teacher.说这句话的时候你和你的同学都看到了有个人,但看不清楚,所以进行推测.这是对现在发生的事的推测.
而你给出的句子是对过去的推测.而且句中的主语是people,是人们“被”从家园赶走,所以又用了被动的形式.
must be表示推测，been driven 是还构成被动语态
有超过100人被那些噪声吵得离开了房子。
must have done对过去的肯定推测
must be/do 对现在的肯定推测
Over a hundred people must have been driven away from their homes by the noise
有100多人一定被那些噪声吵得离开了他们的住所。
情态动词must的用法之一是表示“肯定的推断”。其结构如下：
1.对现在的推断：
must+动词原形：
He must live here．
他...
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Over a hundred people must have been driven away from their homes by the noise
有100多人一定被那些噪声吵得离开了他们的住所。
情态动词must的用法之一是表示“肯定的推断”。其结构如下：
1.对现在的推断：
must+动词原形：
He must live here．
他一定是住在这里。
He must be the monitor.
他一定是班长。
表示“正在进行”must+be+doing：
He must be playing in the playground．
他一定正在操场上玩。
过去时
must+have+done：
He must have lived here．
他一定在这里住过。
或 must+been+doing：
He must have been living here．
他当时一定住在这里的。
表示“被动”must have been done
His homework must have been finished.
他的作业一定已经做完了。
本句话中的must have been driven away from their homes by the noise
“一定被那些噪声吵得离开了他们的住所”
就是表示对过去发生过的事情的肯定的推断的被动语态形式。
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是的，是被动高语态