| 被动语态 | 对应习题 |
|---|
1、基本用法
① 形式：be + 过去分词 ( + by + 动作的发出者）
~~~~ Harry cooks our meals.
~~~~ Our meals are cooked by Harry
~~~~ Andrew broke the window.
~~~~ The window was broken by Andrew.
~~~~ Somebody saw her in Belfast. 注意这里动作的发出者是 Someboby，某人，不确实，英文中实际用下面那个表达
~~~~ She was seen in Belfast.
注：被动用处主要是不确定动作的发出者，比如生产手机，谁生产的不重要，关键是手机被生产2、被动语态 + 一般现在时
① 形式： be done
~~~~ You are waken
~~~~ He/She/It is waken
② to say the things that are always true. 说明事情总是正确的
~~~~ I am paid every season.我每一个季度领一次工资
~~~~ Stamps are not sold here. 我们这不卖有票
③ to say things that happen all the time, repeatedly, often. sometimes, never …
注： 用法和一般现在时用法完全一致3、被动语态 + 一般将来时
① 形式： will be done，疑问句 will 提前，将来被
~~~~ one day all work will be done by machines.有一天机器会做所有的事情。
~~~~ The concert will be held in 2021.
~~~~ When will the concert be held?
~~~~ where will the concert be held in 2021?4、被动语态 + 一般过去时
① 形式：was / were done 曾经被 …
② for complete finished actions and events.完成的
~~~~ The silver bracelet was made by my grandfather 这个银手镯是我爷爷制作的
~~~~ We were not met at the gate. 我们在大门口没有见到
~~~~ Was the bill signed? 这个账单签了吗5、被动语态 + 现在进行时
① 形式：be being done 正在被…
② for things that are happening now. 正在发生的事情
~~~~ The carpet is being cleaned. 地毯正在被清洁
③ for things that are planned for the future. 未来的计划，打算
~~~~ When are you going to see the doctor. 常规用法，你打算什么时候去看医生
~~~~ When are you being seen by the doctor？ 被动语态，你打算什么时候去看医生。6、被动语态 + 现在完成时
① 形式：have / has been done 已经被 …
② to talk about past actions and events which are important now.强调过去的动作和时间对现在来讲是重要的。
~~~~ The house has been sold. 这所房子已经被买了
~~~~ We have been invited to the Villa Party.我们已经被邀请去 Party了7、by 引出动作发出者
be + 过去分词 + by + 动作发出者
~~~~ the tall building was built
~~~~ Who was that tall building built by? 这个建筑是谁修建的？
~~~~ Who was the cake eaten by? 这个蛋糕被谁偷吃了？8、主被动区别
① 强调对象不同，主动强调动作的发出者，被动强调动作承受者，句中其实谁最重要谁放句首
② 发出者不知道或者显而易见的时候均可用被动语态。