人教版高中英语必修-三Unit-3-Discovering-Useful-Structures

Unit 3 The InternetPeriod 3 Discovering Useful StructureThe Present Perfect Passive Voice教学设计This unit is about the Internet, which has a great influence to our humans and our lives. During the Listening & Speaking & Talking and Reading and Thinking section, the influence in examples has been shown. Thus, use the Present Perfect Tense is appropriate. However, in order to show the justice or weaken the doer of the behavior/action, it’s better to use the Present Perfect Passive V oice than the Present Perfect Tense. Besides, having learned to use the Present Perfect Passive V oice, students can beautify their language in their writing.1.Learn the structure of the Present Perfect Passive V oice and its functions.2.Learn to change the sentences with the Present Perfect Passive V oice into the sentences with the Present Perfect Passive V oice.3.Learn to write sentences with the Present Perfect Passive Voice flexibly according to the context.1.Learn the structure of the Present Perfect Passive V oice and its functions.2.Learn to change the sentences with the Present Perfect Passive V oice into the sentences with the Present Perfect Passive V oice.3.Learn to write sentences with the Present Perfect Passive Voice flexibly according to the context.Step 1 Observe the following sentences, then change the sentences into passive voice.1.The Internet has greatly improved Jan’s life.Jan’s life has been greatly improved by the Internet.(教材P28）Step2 Summarize the structureFrom above the pictures, we can know that the structure :Other structures:肯定结构 have/has ＋been done Much has been written (by People) about the wonders of the World Wide Web.(教材P28） 2.People have written much about the wonders of the World Wide Web. A kind of new PC has been built (by them) with more functions. 3.They have built a kind of new PC with more functions. The software has been downloaded (by me) to help my phone last longer. 4.I have downloaded the software to help my phone last longer. Verb form Passive Active have/has+been+v -ed have/has+v -edHe has been selected to take part in the sports meeting．(肯定句)他已被挑选出来参加运动会。

普通高中英语（2019版）必修第三册Unit 3 Diverse Cultures 教学设计（一）Period 3 Discovering Useful Structures该板块的活动主题是“理解英语中省略的用法”(Understand the use of the ellipsis in English)。

与汉语一样,英语中的省略也较为常见。

省略是一种避免重复、突出新信息并使上下文紧密连接的语法手段。

一般来说,只要不损害结构或引起歧义,能省略的地方就可以省略。

省略可使语言更加简洁,意思更加明确,句子结构更加紧凑。

本部分通过不同层次的语言学习活动,帮助学生体会使用省略的效果。

1. Ask students to analyze the omitted words in the sentence with the context, and understand the role ofellipsis;2. Help students recover the omitted parts of sentences according to the context or situation, and realizethe effect of omission;3. Instruct students to summarize common omissions and understand the role of omissions.Importance:1. Guide students to summarize common omissions and understand the role of omissions;2. Help students recover the omitted parts of sentences according to the context or situation, and realizethe effect of omission;Difficulties:Recover the omitted parts of a sentence according to the context or situation1. Review ellipsis before class and point out its function;2. Master the usage of ellipsis and perceive the new ellipsis by combining with the relevant exercises ofguiding cases.Step 1 Revision1.Present the following dialogue to the students and guide them to understand the use of ellipsis byasking questions:Where is ellipsis used in the dialogue?What's missing?( 1)A: I’m hungryB: Are you (hungry)?A: Yeah.(I) Didn't have lunch today.B:(Do you) Want some sandwiches?A: Are there any?B: Yeah. (I’ve) Just made some.(2)A:(It) Looks like rainB: Oh, I hope (it does) not(rain).A: Why (do you hope it doesn't rain)?B: We have a soccer game today, (do you) remember?A: Do we (have a soccer game today )? Where (will it be)?B: (It will be) In the bigger playgroundStep 2 Learning new grammarActivity 11. Ask students to find the sentences in activity 1 in this unit and discuss the following questions inpairs:①Why use ellipsis in sentences?(clear meaning in the context, avoid repetition, make the structuremore compact, make the focus more prominent)②What sentence elements are omitted?(subject, predicate, object)2. Ss read the dialogue and find out where ellipsis is used in the dialogue and what is missing.Thencheck their answers with class.1) (They are) Mexican corn chips covered in cheese! (I love nachos), too.2)…,(and they are) all in one dishes? Exactly,(it’s the food of many different cultures,and they are allin one dishes.)3) (There is) a real mix of cultures here!4) (I) can’t wait (to go there)!Step 3 PracticeActivity 2Ask students to complete activity 2. How to make a sentence by omitting the unnecessary parts of the sentence and comparing with the original sentence.The child becomes concise.The teacher guides the students to summarize the different situations of using ellipsis in these sentences and pays attention to the key cohesion in the sentences.The first sentence is simple, the second, fifth and sixth are compound (but, and), and the third and fourth are compound (if necessary, as soon as possible, than).If when/whenever....+ possible/necessary "and" as soon/fast/early/easy.+ as possible ".(Check their answers with class.)Step 4 SummarizingGuide the students to summarize the usage of ellipsis.一、基础点拨为了避免重复或为了使句子更简练，在一些句子中常常省去某一个或某几个成分，这种语法现象在英语中叫作省略。

Unit3 Discovering Useful Structures 名师教学设计课时内容Understand the use of ellipsis in English主题语境：人与社会主题群：社会服务与人际沟通子主题：跨文化沟通、包容与合作语篇类型：文本、练习文本分析：[What]本课时围绕主题语境设计了三个活动：第一部分是识别英语省略现象；第二部分使用省略改写句子；第三部分呈现外国女孩Justin要到贵州旅游，向玲玲打听贵州的文化景点的对话，要求学生找到对话中省略了的单词。

[Why] 在本单元主题语境中学习英语省略现象。

[How] 本课采用例句示范、改写句子、对话应用的形式，理解英语省略现象，在语法学习的过程中加深对主题意义的理解。

课时目标1.通过描述人们的活动，在语境中学习现在分词作状语和宾语补足语的用法。

2.获取更多关于本单元主题语境的信息，加深对主题意义的理解。

重点难点重点：对英语省略具体用法的理解。

难点：使用省略讨论美国美食和贵州文化旅游景点。

教学准备教师准备：英语省略的练习题。

学生准备：预习英语省略的用法。

教学过程Step I 学习理解活动一：识别省略现象（Part1，P30）1.Ask students to read the following sentences and find the words that have been omitted to avoid repetition.（1）A：Oh，I just love nachos！Mexican corn chips covered in cheese！B：Me，too.（2）A：So it’s the food of many different cultures，all in one dish？B：Exactly.（3）A real mix of cultures here！（4）Can’t wait！2.Ask students to work in pairs and discuss the words that have been omitted to avoid repetition.Suggested answers：（1）A：Oh，I just love nachos！They are）Mexican corn Ips covered in cheese！B:（I love nachos），too（2）A：So it’s the food of many different cultures Cand they are）all in one dish？B: Exactly, (it’s the food of many different cultures, and they are all in one fish)（3）(There is) a real mix of cultures here!（4）（I）can’t wait（to go there）！【备注】语法讲解请见第二教案“综合素养分析—重点语法精讲”。

Section ⅢDiscovering Useful Structures每/日/金/句：Since Qin Dynasty, Chinese various ethnic groups have lived together as a single nation.自秦朝以来，中国各民族就作为一个单一国家生活在一起。

语言基础集释(教材P30)I really like that paper folding book, and my son likes that paper folding book, too.我真的很喜欢那本折纸书，并且我的儿子也喜欢那本折纸书。

◎fold vt.包；裹；折叠vt. &vi.(可)折小；(可)叠平(1)fold (up) 折叠；对折fold one's arms 双臂交叉在胸前(2)unfold v. 展开(3)folding adj. 可折叠的[佳句] He folded up his umbrella as he entered the room.他进屋时把伞折了起来。

[练通]——单句语法填空①I finished my coffee, ________(fold) my newspaper and stood up.②As the mist cleared, a most beautiful view ________ (fold) before their eyes.[写美]——应用文佳句③那个年轻人双臂交叉躺在沙发上，很快就睡着了。

The young man lay on the sofa __________________and soon fell asleep.语法专项突破省略[自主感知]①And what a city (it is)—a city that was able to rebuild itself after the earthquake that occurred in 1906.②My hotel is near downtown，in the Mission District，(which is) one of the oldestparts of the city.③This district used to be a poor area of town，but (this district) is now a centre for art，music，and food.④(It is) A real mix of cultures here!⑤What great food (it is)!⑥(I) Can't wait被省略的部分为主语的是________。

Unit 3 Discovering Useful Structures 学案【本课目标】1.通过阅读课文,在具体情境中理解和掌握省略的用法。

2.通过本学案的归纳,巩固内化省略的用法,并学以致用。

【自主学习】【语法图解】【探究概况】1.Though tired, they went on working.2.Doesn't matter.3.(课本P28)This district used to be a poor area of town, but is now a centre for art, music, and food.4.(课本P28)A real mix of cultures here!5.Hope to hear from you soon.【自我归纳】上述句子中,1为的省略;2,3,5为省略;4为的省略。

为了避免重复,将句子中的一个或几个成分省去,这种语法现象叫省略。

省略是避免重复、突出新信息并使上下文紧密连接的一种语法手段。

英语中的省略有下列几种情况。

【语法详解】在英语中,为了使句子简洁明快突出重点,常常省略句中的一个或几个成分,只要不影响句意表达,某些情况下,能省略的成分尽可能省略。

一、词法的省略1.动词不定式的省略①He didn't come, but he ought to have (come).他没来,但他本应该来。

②His wish is to earn a lot of money and (to) buy his mother a big house.他的愿望是赚很多钱给妈妈买所大房子。

2.介词的省略I have some trouble (in) learning English.我学英语有些困难。

3.替代性省略①—Can I put my bike here?—You'd better not.—“我可以把我的自行车放在这儿吗?”—“你最好不要。