Learning about Languageppt配套教案和课堂实录

Unit 4 Wildlife protection（Grammar）

The Present Progressive Passive Voice 现在进行时的被动语态

一、教学内容 现在进行时的被动语态

二、教学目标

在本节课结束时，学生能够



准确说出现在进行时的被动语态的结构和用法。



掌握现在进行时被动语态的各种句式。



在特定的语境中使用现在进行时的被动语态。

三、教学步骤

步骤一：热身

1．检查预习作业：请学生在阅读课文中找出PPT中的句子并填空，然后观察所填部分的结构。

2.

请学生翻译这几个句子，并总结现在进行时被动语态的构成形式。

1. Discover what structure is usedwhat structure is usedComplete the sentences according to the text.are being killed1. We ________________for the wool beneath Summary: 现在进行时的被动语态1. 构成：am/is/are+ being+ V-过去分词2. 意义：…(说话时或现阶段)正在被做.e.g.1.Look! The baby is being taken care ofby her aunt. 瞧！那个婴儿正由他的姑姑照料着。2. A new building is being builtoutside our school.在我们学校外，一座新楼房正在被修建。our stomachs. (Line 9)is being used2. Our fur ______________to make sweaters for people like you. (L10)is being done3. I wonder what ______________to help you. (L12)are being done4. So good things ________________here to save local wildlife. (L25) 1. She has made great progress recently and is always being praisedby the teachers.她最近进步很大，总是受到老师表扬。

“be + under / in + n.”可代替进行时被动语态1. The city is being attackedat the moment.=The city is under attack at the moment. 2. The telephone is being usednow.= The telephone is in usenow. 2. To the teacher’s anger, the same mistakes are always being madeby her students.让老师生气的是，学生总是犯同样的错误。注意) 现在进行时被动语态与always , constantly, all the time等词连用时，表示经常性的被动动作，此时往往带有赞赏或厌恶等感情色彩。

1

3.通过练习巩固现在进行时的被动语态的结构和用法。

高考链接1.A new cinema ____ here. They hope to finish it next month. A. will be built B. is built C. has been built D. is being built2. Rainforests __ and burned at such a speed that they will disappear from the earth in the near future. A. cut B. are being cut C. are cut D. had been cut完成下面的句子。is being talked被讨论) about 1. The news _____________ (everywhere.are being built建2. A lot of tall buildings _____________ (立), and people will move in next year.3. Most of the streets in the city has been widened and many new buildings are being rebuilt重建)_______________. (

设计意图：通过让学生观察课文中含有现在进行时被动语态的句子，自己归纳出现在进行时被动语态的结构和用法，并通过练习巩固，培养学生自主学习的能力。

步骤二：学习现在进行时被动语态的各种句式

1.

请学生朗读并翻译例句，并让学生注意红字部分，总结出现在进行时被动语态的各种句式。

2.

按要求改写句子并朗读。

2.现在进行时被动语态的各种句式1.肯定句：am/is/are+being +done2.否定句：am/is/are+not+being+done3.一般疑问句：Am/Is/Are +sb./sth. +being +done?e.g.1. A new library is being builtis being builtnow.一座新图书馆正在被修建。are notbeing2. Some animals are not being protectedwell enough.有些动物没有受到很好的保护。being repairednow?3. Is the bridge being repairedIs现在那座桥在修吗？e.g:1. They are building a new library now. 改被动句A new libraryis being builtnow.2. Some animals are being protectedwell enough. 改否定句Some animalsare not being protectedwell enough.3. The bridge is being repairednow. 改疑问句Isthe bridgebeing repairednow?

设计意图：通过朗读、翻译和观察例句，总结出现在进行时被动语态的各种句式，并通过练习巩固各种句式的结构，培养学生养成自我小结的好习惯，提高自主学习的能力。

步骤三：情景对话

1.

请学生两人一组根据下面的情景和范例编写对话。

2. 然后请学生两人一组一问一答，练习对话，并用所给的提示进行替换，替换时注意单复数。教师可以请几组学生进行演示。

2

3. Practice Iyour computeryour TVyour telephone your bike--Can I use ___________________ ?it is being watched byis being repaired byis being used by Tom--Sorry, but _____________________some workersmy familymy father________________.3.

Practice

are the flowersis Kateare the childrenis my car--Where ___________________ ?It They is being cleaned byare being watered byyour daughtermy motherShe is being praised byare being punishedher managerbytheir aunt--Oh. ______________________________.1. telephone–repair—some workers2. bike---repair---my father3. computer---use--Tom4. TV----watch--my family 1. the children–punish—their aunt2. Kate ---praise---her manager3. my car---clean--your daughter4. the flowers----water--my mother

设计意图：情景对话练习，既可以让学生熟悉现在进行时被动语态的构成形式，也可以让他们从中体会其用法。

步骤四：情景写作

1．请学生根据图片和单词提示，用现在进行时的被动语态看图说话。教师可以自己先做个示范，然后鼓励学生观察和描述图片，再给出单词提示，让学生说出完整的句子。

2．呈现答案并大声朗读。

4. Prepare for writing(I)Mary: Peter, look at these pictures. What ishappening?People are being punishedTrees are being cut downWild animals Rivers are being pollutedare being killedby Peter: Oh, my god. ___________________.by the villagers.by their actionssome factories.by people..①trees/ cut down / villagers②rivers/ pollute / ④people/ punish factories/ actions ③wild animals/ kill / people

4.

prepare

for

writing

(I)Reference

①Treesa

re

being

cut

dboyw

tnhe

villagers.

②Riversa

re

being

pollbutye

sdome

factories.

③Wild

animalrse

being

kibllye

dpeople.④Peoplea

re

being

punisbhye

tdheir

actions.

3

4. Prepare for writing (II)Mary: Peter, look at these pictures. What ishappening?Rivers are being cleanedby Peter: Well. __________________________.Wild animals More trees are being plantedare being protectedby some workers.some organizations.by people4.

Prepare

for

writing

(II)Reference

①More

treaerse

being

planbtye

dpeople.②Riveras

re

being

cleabnye

dsome

workers.③Wild

animalrse

being

protebcyt

e

d

some

organizations.World Wild Fund for Nature①trees/ plant / people世界野生动物保护基金会②rivers/ clean / workers③wild animals/ WWFprotect / organizations

3. 给出作文框架，让学生根据看图说话的内容，补全作文。

5.Task–WritingOur environmentAt present, our environment is beingdestroyed.______________________.Luckily, this situation is being realized by more and more people. And some things are being done. ______________.I think __________________________.

设计意图：通过看图说话和补全作文来练习现在进行时的被动语态，培养学生看图说话的能力。在真实的语境中运用所学的语法知识，使语法具体化、生活化，以提高课堂教学的有效性。

步骤五：作业

Homework1. Finish the exercises on your exercise book.2. Make your passage better. 用现在进行时的被动语态改写下列句子。1.She is teaching the boy English.The boy is being taughtEnglish (by her)．2. We are painting our classroom now.Our classroom is being painted(by us) now.3. Now he is making the girl water the tree.Now the girl is being madetowater the tree (by him)．4. She is making Tom a new coat．A new coat is being madefor Tom．

设计意图：改写句子旨在巩固现在进行时被动语态的结构，完善作文旨在真实的语境中运用现在进行时的被动语态，使语法具体化、生活化，以提高课堂教学的有效性。

4