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1、Unit 7 International charities课题8B Unit7 International charities-Grammar学习目标1. 了解使用被动语态的语境2. 掌握并能正确运用被动语态的一般现在时和一般过去时3. 熟悉并能运用引出动作执行者的单词by学习内容四会内容词汇:hold set词组:hand out set up导 学 过 程感悟1、 预习语态是动词的一种形式,用来说明句中主语和谓语动词的关系。英语中的语态有两种:主动语态和被动语态。如果主语是动作的执行者,则使用主动语态;如果主语是动作的承受者,则使用被动语态。二、展示交流被动语态的构成“be动词+过去分词
2、”,如果要特别强调动作或行为的执行者时,句子后面需接by.,译为“被/由。”。Many people speak English.(主动语态)English is spoken by many people.(被动语态)注意:be动词要根据人称、数、和时态发生变化,be动词后面的过去分词不变。 主语 be动词 过去分词 I am 一般现在时 You/We/They are supported He/She/It is I was 一般过去时 You/We/They were supported He/She/It was 被动语态的基本用法1. 动作的执行者是泛指或不言自明时; None of
3、 the books was taken away. 没有一本书被拿走2. 在不知道动作的执行者是谁时; The toy is designed for children. 这款玩具是为孩子们设计的3. 需要强调动作的承受者时; My bike was repaired. 我的自行车修好了。4. 出于委婉或礼貌而避谈动作的执行者时。 The problem was talked about just now.主动语态变为被动语态They dont use the room.主格 谓语 宾语The room is not used by them. 主语 谓语 宾格提示:把主动语态改为被动语态时
4、,be动词的人称和数要根据新主语的人称和数变化,但时态要与主动语态一样。练习:She hurt me.注:有些动词,其主动语态形式含有被动意义。如:系动词smell,taste,sound,feel等。The music sounds nice.三、反馈练习:一、用括号里所给词的正确形式填空1. English _ (teach) in China.2. The Great Wall _ (know) all over the world.3. Football _ (play) in middle schools.4. Computers _ (use)to search for infor
5、mation.4. A new computer _ ( sell) yesterday.5. This kind of silk_ (produce) in Hang Zhou.6. The thief _ (catch) last night.7.Last year a large number of trees_(cut)down8. The room _ (clean) by me every day.二、用被动语态改写下列句子1. We use knives to cut things._.2.We speak English in Canada._.3.We built the building 8 years ago._.4.He gave me ten dollars yesterday._.5.My father bought a present for me yesterday._.教学反思:2