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仁爱版初中英语被动语态(九年级上册Unit 3)

仁爱版初中英语被动语态(九年级上册Unit 3)

一、基本概念

被动语态:句子主语是动作的承受者(被……);

主动语态:句子主语是动作的发出者。

主动:We clean the classroom. 我们打扫教室。

被动:The classroom is cleaned by us. 教室被我们打扫。

一句话区分:主动是人/物去做;被动是人/物遭受这个动作。

二、被动语态核心公式

主语+ be + 及物动词过去分词(done)

be动词:随时态、人称、单复数变化

过去分词:永远不变!

初中英语8种时态被动结构

1. 一般现在时被动(高频)

结构:主语+ am / is / are + done

例:Rice is grown in the south. 水稻在南方种植。

2. 一般过去时被动(高频)

结构:主语+ was / were + done

例:The letter was sent yesterday. 信昨天被寄出。

3. 一般将来时被动(高频)

结构:主语+ will be + done

  主语+ be going to be + done

例:A new road will be built next year. 明年将修建一条新路。

4. 情态动词被动(高频)

结构:主语+ 情态动词(can/may/must/should) + be + done

例:Waste water must be stopped. 废水必须被制止。

5. 现在完成时被动(九上难点、中考重点)

结构:主语+ have / has been + done

例:Many trees have been planted. 已经种了很多树。

6. 现在进行时被动(了解)

结构:主语+ am / is / are + being + done

例:The road is being repaired now. 这条路正在被维修。

7. 过去将来时被动(了解,中考极少)

结构:主语+ would be + done

  主语+ was/were going to be + done

例:He said a meeting would be held. 他说将会举办一场会议。

8. 过去完成时被动(了解,极少考)

结构:主语+ had been + done

例:The work had been finished before he came.

在他来之前,工作已经完成了。

三、主动变被动【四步法】⭐必背

1. 主动句宾语 → 被动句主语

2. 谓语改为 be + done;be动词看新主语人称、单复数 + 原句时态

3. 主动句主语放 by 之后,作动作执行者(可省略)

4. 句子剩余成分原样抄写

例题:主动:People use bamboo.

①宾语bamboo变主语 → Bamboo

②一般现在时,单数主语 → is used

③by people

被动:Bamboo is used by people.

四、by 的两种用法(极易混淆)

1. by + 动作执行者(人):被……(被动句里)

The lock was made by workers. 这把锁由工人制造。

2. by + 工具/方式:用……(无被动含义!)

write by hand 手写

五、常考特殊情况(仁爱高频考点)

1. 感官/使役动词:主动省to,被动还原to

动词:see / watch / hear / make / let / have

主动:We saw him go in.

被动:He was seen to go in.

2. 双宾语被动(give / send / show / tell)

主动:He gave me a pen.

被动1:I was given a pen (by him).(人作主语,考试更常用)

被动2:A pen was given to me (by him).(物作主语,要加to)

3. 短语动词变被动,介词不能丢!

短语:look after / take care of / depend on / put on

主动:We look after the kids.

被动:The kids are looked after. after 不能删掉

4. 没有被动语态的动词(中考易错!)

不及物动词本身无被动:happen, take place, appear, rise, belong to

❌ An accident was happened.

✅ An accident happened. 事故发生了。

sell / wash / write 描述事物本身属性,主动表被动含义

The pen writes well. 这支笔很好写。(笔本身特质,不用is written)

六、被动句:否定& 一般疑问句

口诀:be/情态动词/have(has) 是老大,否定后面加not,疑问提到句子头

1. 否定句:主语+ be / 情态动词/ have/has + not + done

The glass was not broken. 玻璃没有被打碎。

2. 一般疑问句:Be / 情态动词/Have/Has + 主语+ done?

Was the bridge built in 2020? 这座桥是2020年修建的吗?

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