Unit 7 被动语态(语法讲解+分层精练)2025-2026学年译林版八年级英语下册

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译林版八年级下册 Unit 7 被动语态

语法讲解+分层精练

导语

本单元核心语法为一般现在时和一般过去时的被动语态,是八年级英语被动语态的基础核心内容,也是中考高频考点。

以下先完成语法体系梳理、易错点深度分析,再结合易错点设计基础层、提升层、拓展层三层训练题,题型涵盖单选、填空、句型转换、改错、语篇填空,总题量 80 题,贴合单元语境与中考考向。

         语法讲解

(一)被动语态的核心定义

被动语态表示主语是动作的承受者,强调 “被做”,与主动语态(主语是动作发出者)相对;本单元仅聚焦一般现在时和一般过去时两种时态的被动语态,是被动语态的入门基础。

核心结构:主语 + be 动词(对应时态)+ 动词过去分词 (done)标志词:by + 动作发出者(仅明确动作主体时使用,可省略)。

(二)一般现在时的被动语态

结构:主语 + am/is/are + 动词过去分词

I → am;he/she/it/ 单数名词 → is;you/we/they/ 复数名词 → are

用法:描述客观事实、经常性、习惯性的被动动作。

例句:Charity activities are planned every year in our school.(我校每年都策划慈善活动)

否定 / 疑问形式:

否定:am/is/are + not + 过去分词(e.g. Leaflets are not handed out on rainy days.)

一般疑问:Am/Is/Are + 主语 + 过去分词?(e.g. Is the money used to help the poor?)

(三)一般过去时的被动语态

结构:主语 + was/were + 动词过去分词

单数主语(he/she/it/ 单数名词)→ was;复数主语 → were

用法:描述过去某一时间发生的被动动作。

例句:A charity show was held at our school hall last week.(上周我校礼堂举办了一场慈善演出)

否定 / 疑问形式:

否定:was/were + not + 过去分词(e.g. The books were not sent to the village school.)

一般疑问:Was/Were + 主语 + 过去分词?(e.g. Were warm clothes collected for disaster areas?)

(四)被动语态的使用场景(本单元重点强调)page number 0

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动作执行者显而易见,无需说明;

动作执行者未知,无法说明;

强调动作的承受者(而非发出者),本单元慈善语境中高频使用(如 “慈善活动被策划”“捐款被使用”)。

(五)主动语态变被动语态(基础规则)

本单元要求掌握简单句的主动变被动,核心 4 步:

找:把主动句的宾语变为被动句的主语;

变:根据主动句时态,套用对应被动结构(am/is/are/was/were + done);

加:主动句的主语变为by + 宾语(可省略);

保:时态不变、过去分词形式不变,be 动词随新主语单复数变化。

例句:We collect old books every year. → Old books are collected (by us) every year.

 

        高频易错点深度分析(本单元丢分重灾区)

结合单元语境和学生实际答题情况,以下 8 个易错点为核心,也是后续训练题的设计依据:

易错点 1:漏加 be 动词,仅用过去分词作谓语

错误本质:忘记被动语态的核心是 “be + done”,把过去分词单独当谓语。

易错点 2:be 动词的时态 / 单复数与主语不匹配

错误本质:忽略 be 动词需随时态和主语单复数双重变化。

易错点 3:混淆及物 / 不及物动词,给不及物动词用被动

错误本质:只有及物动词(后可直接接宾语)有被动语态,不及物动词无。注意:不及物动词 + 介词构成的固定及物短语,可接被动语态(如 look after→be looked after);纯不及物动词(happen/take place/appear 等)无被动。

易错点 4:过度使用 by + 动作发出者,造成句式冗余

错误本质:误以为被动语态必须加by,实则by仅在明确动作发出者时使用。

易错点 5:过去分词拼写错误(本单元高频词)

错误本质:不规则动词的过去分词记忆不牢,本单元慈善语境高频动词为重点。

易错点 6:主动变被动时,保留主动句的主语作新主语

错误本质:混淆主动 / 被动的主语逻辑,被动句主语必须是主动句的宾语。

易错点 7:否定 / 疑问句中,be 动词位置错误

错误本质:忘记被动语态的否定 / 疑问仅变be 动词,过去分词保持不变。

易错点 8:语境混淆一般现在 / 过去时,导致 be 动词时态错误

错误本质:忽略时间状语,误判动作的时间属性。本单元高频时间状语:

一般现在时:every year/usually/often/always;

一般过去时:last week/yesterday/in 1982/last month错误例句:A charity show is held at our school last week.(is→was)page number 1

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正确例句:A charity show was held at our school last week.

 

 

       分层精练(共80题)

基础层(30 题):聚焦语法结构 + 基础易错点,题型:单选 15 题 + 填空 15 题

(一)单项选择(15 题,每题考查 1 个基础易错点)

1. Many charity activities ______ in our school every year.

A. plan   B. are planned   C. planned   D. were planned

2. A new library ______ for the village school last year.

A. built   B. was built   C. is built   D. builds

3. The letter ______ by a World Vision volunteer yesterday.

A. wrote   B. is written   C. was written   D. write

4. I ______ to join the Orbis volunteer team last month.

A. was asked   B. asked   C. am asked   D. ask

5. Clean water ______ to the poor village every month.

A. is sent   B. send   C. was sent   D. sends

6. ______ the old toys ______ to raise money every year?

A. Do; sell   B. Are; sold   C. Is; sold   D. Did; sell

7. A charity show ______ at the school hall last Friday.

A. hold   B. holds   C. was held   D. is held

8. The medical books ______ to the hospital in poor areas last week.

A. were sent   B. sended   C. are sent   D. send

9. Much money ______ to help the blind people every year.

A. are raised   B. is raised   C. raise   D. raised

10. Local nurses ______ by Orbis doctors every year.

A. train   B. are trained   C. trained   D. were trained

11. The classroom ______ cleaned by the students every day.

A. isn’t   B. don’t   C. doesn’t   D. wasn’t

12. ______ a doctor ______ to the village by UNICEF last month?

A. Was; sent   B. Did; send   C. Is; sent   D. Does; send

13. The food ______ to the disaster area yesterday. page number 2

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