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一般现在时的被动语态微课设计方案

微课设计方案(脚本)

微课名称 制作教师 微课类型及对象 微课长度
倪 芳

一般现在时的被动语态

学 校 制作模式 制作时间

仪征市青山中心学校

讲授型 初二学生 8 分钟

录屏软件+PPT 2014 年 12 月 18 日

总体思路

利用 Camtasia 和 PPT, 从学生熟悉的例句入手, 帮助学生了解 被动语态的基本结构及用法, 指导学生在日常交际及学习中正确地 使用被动语态来表达。在教学中,针对考点分析,增强学生的应试 能力。

微课脚本
PPT 1 Introduction to this period. PPT 2 T: This class let’s talk something about the passive voice in the simple present tense.. T: First , please read two sentences on the screen, we are familiar with them, Can you tell me the difference between them, pay attention to the relationship between the subjects and the verbs. T: In this sentence, the verb is in a passive voice, then what is a passive voice? 【设计意图】 通过学生非常熟悉的两个句子, 引入到今天的教学内容。 同时让学生先自己观察主动语态与 被动语态句子中的主谓关系。 PPT 3 T: As we know,English has two voices:the active voice(主动语态)and the passive voice(被动语态). If a verb is in the active voice, the subject is the person who performs the action. The subject is the agent of the action(动作的执行者). If a verb is in the passive voice, the subject is the person or thing affected by the action. The subject is the recipient of the action(动作的承受者). 【设计意图】 介绍被动语态的概念,突出主语与动词的关系。 PPT 4 T: When we express our ideas, we can use both the active voice and the passive voice. Look at this picture, if we want to introduce the name of the garden to some visitors ,we can say “We call the garden the Slender West Lake” ,at the same time , we can also say “The garden is called The Slender West Lake.” T: Both of the two sentences are OK. In the first sentence, the subject “we” is the agent of the action, so it is in an active voice.

In the second sentence, the subject “the garden” is the recipient of the action, so it is in a passive voice. 【设计意图】 用两个句子让学生再一次比较主动语态与被动语态。 PPT 5 & 6 T: When can we use a sentence of passive voice to express our ideas? Generally speaking, passive voice is preferable in the following cases. First, when it is obvious who performs the action, we use the passive voice. For example, English is spoken in Britain, America and some other countries. The new type of washing machines is sold in this shop. Second, When we do not know or do not need to know who performs the action, we can use the passive voice. For example, His computer is stolen. Letters are collected at eight every morning. Third, when the action is more important than the person who performs the action, we usually use the passive voice. For example, the lives of the patients with eye problems are improved. 【设计意图】 举例说明三种主要使用被动语态的情况。 PPT 7 T: How can we form a sentence in a passive voice ? Or how to change a sentence of active voice into a sentence of passive voice? T: in a sentence of passive voice, the object of the verb will be the subject, and the verb part consists of be and the past participle form of the verb. 我们将主动语态变成被动语态时, 首先把原句中的动词宾语变成被动语态句子的主语, 谓语 动词部分则改为助动词 be+动词的过去分词,原来的主语则在介词 by 后面做宾语。 T: Now,let’s sum up the structure of a sentence of passive. That is Subject plus be and past participle form of the verb. 助动词 be 来体现时态的变化,在一般现在时中,be 可以是 am, is, are 三种形式。 【设计意图】 通过例句分析被动语态句子的形成过程,让学生归纳出被动语态的句子结构。 PPT 8 T: please transform the following into the passive. No.1 The roads are cleaned every day. No.2 I am often hit on my head by him. No.3 More visitors are welcomed to Yangzhou. No.4 Lot’s of homework is done by students. 【设计意图】 以练习的形式来巩固刚刚所学内容。 PPT 9 & 10 T: Now please describe the pictures using the passive voice The river is polluted seriously. Some trees are cut down. A sports meeting is held in our school every year.

The whale is killed for its fin. 【设计意图】 让学生用所学语法内容练习说话,描述图片,加强应用。 PPT 11 Not all the verbs can be used in the passive voice, when we use the passive voice ,please pay attention to the following cases: 1, 感官动词,使役动词等在主动语态中后接零动词不定式形式,变成被动语态时要加上 “ to”. 例 如 see/hear/notice sb do sth 句 式 在 被 动 语 态 中 要 改 成 sb. be seen/heard/noticed to do sth. Let/make/have sb. do sth. 句式在被动语态中要改成 sb. be let/made/had to do sth PPT 12 Now please transform the following into the passive. The workers were made to work all day. She is often heard to sing in the room. Some boys were seen playing football. 【设计意图】 练习巩固上一张幻灯片所讲内容。 PPT 13 & 14 2,双宾语结构变为被动语态时应注意以下两种情况,我们常把间接宾语(即 sb)变为主语, 若把直接宾语(即 sth.)变为被动句的主语时,常在保留宾语前加 to 或 for。 3,主动语态中“动词+介词”或“动词+副词”的短语动词变为被动语态时,介词或副词不可 拆开或漏洞。 Here are two examples for you, read them carefully. PPT 15 请注意以下几种不用被动语态的情况: ? 不及物动词(vi)没有被动语态。如:happen,cost,die Start/begin,finish,rise,appear,drop etc. ? 联系动词(linking V)没有被动语态。 (seem, look, become, get, grow, turn, remain, stay) ? 一些固定结构无被动。如: take place, set out, come true, break out, come down, belong to ? 有些动词既是及物又是不及物,当他们与 well,badly, Easily 等副词连用时表示主语内在品质或性能,无被动。 如: The cloth washes easily. The pen writes smoothly. The new product sells well. PPT 16 T: now please finish the exercise. Fill in the blanks with the proper forms of the given words. 1. A traffic accident happened yesterday. 2. My watch has broken down several times so far. 3. What time will the meeting begin? 4. It costs 100 Yuan. 5. Water the flower soon, or it will die.

【设计意图】 练习巩固上一张幻灯片的主要内容。 PPT 17 & 18 T: now here are more exercises for you, please translate the following sentences using the proper voice. Many people are invented to attend the charity. More money is needed to support the work. Many schools are built in poor areas every year. Computers are widely used by young people. The old are helped to clean their rooms . Some birds are heard to sing every morning. Many patients are operated on every day. The new kind of mobile phones sells well. The new kind of mobile phones are sold in this shop.


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