高中英语必修二useful structures2
Unit 2 Discovering Useful Structures2019必修第二册
Section B Discovering Useful Structures
Part 1
Leading-in
CONTENTS
Part 2
While-class
Part 3
After-class
Part.1
Leading-in
Leading in
村民们正在搜寻那个失踪的孩子。
归纳拓展
search…for搜寻……以寻找
in search of=in the/one’s search for搜寻
look for寻找
While-class
5 put out (1)put out把……摆好;预备好(物品) Have you put out clean towels for the guests? 你为客人预备好干净毛巾没有? (2)put out熄灭;扑灭 Firefighters soon put the fire out.消防人员很快把火扑灭了。
While-class
4．现在进行时态的被动语态的特殊疑问句为：疑问词 + am/is/are + (主语) + being + done。 如：What is being done to the machine? 现在对这台机器要采取什么措施？
How many houses are being built in the village? 村里正在建造多少房屋？
Part.2
While-class
While-class
1 reduce (1)vt.减少,缩小(尺寸、数量、价格等) reduce…to减少……到 reduce…by 以(比例)……减少 Costs have been reduced by 20% over the past year. 过去一年,成本已经减少了20%。 (2)vt.使沦为,使陷入(不好的境地) be reduced to (doing) sth.使陷入(更坏的)境地;使沦落;使陷入窘境 They were reduced to begging in the streets.他们沦落到沿街乞讨。 The attentions of the media reduced her to tears.媒体的关注把她弄哭了。
Unit 2 Discover Useful Structures 课件-高中英语选择性必修第二册
名词或名词短语可以在句中充当_主__语_，_宾__语__，_表__语_，同__位__语_。当这些名 词或名词短语由一个句子替代时，就是_名__词__性__从_句___。名词性从句（Noun Clauses）是在句子中起__名__词___作用的句子。根据在句中不同的语法功能， 可以把名词性从句分别称为主语__从__句_，宾语__从__句_，表语__从__句_，__同__位_语__从__句____。
2. Predicative Clause 表语从句
2.表语从句
表 I am a teacher. 语
The trouble is that I have lost my dog.
• 定义：在句中充当表语的从句叫做表语从句。 • 结构：主语 + 系动词 + 引导词 + 表语从句 • 引导词的分类：
（1）当that宾从与主句谓语动词被其他成分分开时。 I realized at once that I had made a mistake. Everyone could see, I believe, that Mike told a lie.
（2）当一个句子有两个或两个以上并列的宾从时， 第二个及以后的宾从 中的that不可省略。
1.引导词——that
3.引导词——疑问词 a.(连接代词)
4. 其他连接词引导的表语从句a. as if/as though引导的表语从句as if/as though意为“好像，仿佛”，引导的表语从句常跟在系动词(be，seem, appear, look, taste, sound, feel, smell等)之后。若表语从句所述的是非真 实的情况，从句用虚拟语气；（过去had done,现在did/were,将来 would/could/might do）若所述的是事实或是极可能发生的情况，从句 用陈述语气。例：She loves the boy as if she were his mother．她爱这 男孩，就好像她是他的妈妈一样。
Unit 2 Discover useful structures 课件-高中英语选择性必修第二册
Attention:
1. 主语从句、宾语从句、表语从句所使用的的引导词大体相同，但 有些常用于某种名词性从句，如 because、as if、as though仅常用于 表语从句，whet。 2. 此外，it 做形式主语和形式宾语时，一般将替代它的主语从句和 表语从句后置。
5. I agree with your idea that he is smart. 同位语从句
2. 名词性从句的引导词
名词性从句的连词
• 1) 连接词：that, whether, if, as if。that __无____（有/无）词 义，在从句中___不____（要/不）担任成分，有时可省略； whether /if ___有____词义，译为__是__否___，但在从句中 ___不____担任成分； as if __有_____词义，译为__似_乎__，__好__像_， 在从句中___不____担任成分，仅用于__表__语____从句；
主语从句 1. What seemed strange before now ap表pe语ar从s q句uite normal to Xie Lei. 2. What surprised Xie Lei was that she found herself speaking up in class after
Lead in
判断下列句子中划线名词充当什么成分
• The book is interesting. • I like English.
主语 宾语
• My mother is a doctor.
表语
• I come from Beijing, a beautiful city.
同位语
一、定义
名词性从句： 在句中起名词作用的各种从句，称为名词性从句。 分为：主从：主句谓语前
人教版高中英语选择性必修二Unit 2 第三课时 Discover useful structure
_T_h_a_t_s_t_u_d_e_n_t_s_h_a_v_e_t_o_w__r_it_e_c_o_u_n__tl_e_ss__r_es_e_a_r_c_h_p__a_p_e_rs__a_s_p_a_r_t of their _co_u__rs_e_w__o_rk__w_a_s__n_o_t_s_o_m__et_h_i_n_g_t_h_a_t_C__h_e_n_H__a_o_w__a_s_r_e_a_d_y_f_o_r_.
social life.
object 宾语
4. She says that she’s proud of being a cultural messenger.
1、2、3 2
4
noun clauses
Study the following sentences. Pay attention to the functions of nouns (or noun phrases) in each one.
2.to identify and conclude forms and features of noun clauses (名词性从句);
3.to express feelings and describe situations by using noun clauses.
图片来自教材
Xie Lei
but you can figure out what a long sentence means by following a few simple steps. 1 Decide if the sentence is compound (look for and, but, or, etc.) or complex (look for who, when, where, etc.). 2 Find the main clause if it is a complex sentence. 3 Look for modifiers.
【精品课件】部编人教版高中英语必修2_UNIT 2 Section C Discovering Useful Structures
课堂篇学习理解
重点词汇
重点句式
重点语法
随堂练习
【词汇拓展】 in searchof 寻找
inthe/one’s searchfor 寻找
searchsth/sb 搜查某物/搜某人的身
search...for...为找到……而搜查…… The rescue workers removed the bricks and stones with bare hands
4.少数及物动词现在进行时的被动语态也可以表示按计划或安排 将要进行的一个被动动作。
Another new project is being set up to discover the best way of
sorting the rubbish. 正在建另一个新的项目来找出垃圾分类的最佳办法。
课堂篇学习理解
重点词汇
重点句式
重点语法
随堂练习
3.表示一种经常性的被动行为,常和always,constantly等表示频度 的副词连用,常带有一定的感情色彩。
人教版高中英语必修二
UNIT 2 Wildlife Protection
Section C Discovering Useful Structures & Listening and Talking
-1-
Ⅰ
Ⅱ
Ⅲ
课前篇自主预习
Ⅰ.知识体系图解
重点 词汇
1. deer
n.鹿
2.kangaroo n.袋鼠
Building No.1. 在一号楼四楼会议室正在举行一个会议。
Every classroom in this school is being equipped with a new TV set. 在这所学校里,每间教室都正在配备一台新的电视机。 2.表示现阶段正在进行的被动动作
Unit2DiscoveringUsefulStructures课件-高中英语人教版
① We saw the biology teacher doing the experiment.
I noticed him being taken away by a policeman. 2)位于其他动词后：如 set, keep, have, get, leave, catch 等。
② In order to keep warm, we kept the fire burning.
形式 主动 _d_o_i_n_g_______ 被动 _b_e_i_n_g_d_o_n__e__
作宾补
在___感__官__动__词____后作宾补 用法 在___使__役__动__词____后作宾补
在_w__it_h_复__合__结__构__后作宾补
恩 信 实 验
高考链接
travelling possession
（ 6）方式或伴随状语 动词-ing 作方式或伴随状语时，谓语动词表示动作发生的方式、
背景或情况。此时分词的动作和谓语动词的动作同时发生。现在分词或分词短语作伴随
状语时可以转换成并列成分。
例：They stood there for half an hour watching the stars in the sky.
• When we arrived, we found him sleeping. • You have kept me waiting the whole morning.
• Having dressed up nicely, we went out to have
some good local food and enjoy the celebrations.
构称为独立主格结构。独立主格结构通常用来表示伴随的动作或情况，有时还可以表示
高中英语Unit2SectionⅡUsefulStructures课件pptx新人教版必修第三册
1．作原因状语，相当于原因状语从句 D 典例呈现 ①Being poor, Tom couldn't afford a computer. ＝As he was poor, Tom couldn't afford a computer. 因为穷，汤姆买不起电脑。 ②Not knowing her address, I had better telephone her to come over. ＝As I don't know her address, I had better telephone her to come over. 由于不知道她的地址，我还是打电话让她过来为好。
二、动词-ing形式作状语 现在分词可作状语，表示原因、时间、方式、伴随情况、结果或条 件等，其逻辑主语是句子的主语，二者之间是主动关系。 D 典例呈现 ①Hearing the news, all the students jumped with joy. ＝When the students heard the news, they all jumped with joy. 听到这个消息，所有的学生都高兴地跳了起来。 ②Working hard, you will succeed. ＝As long as you work hard, you will succeed. 努力工作，你会成功的。
J 即学即练1 句型转换 ①As time passes by, we will have a better and better life. →With time __p_a_s_s_in_g___ by, we will have a better and better life. ②I saw that they were coming across the street. →I saw them __c_o_m_i_n_g__ across the street. ③I stood on the bridge and watched boats were passing by. →I stood on the bridge and watched boats __p_a_s_s_in_g___ by.
2019新人教高中英语选择性必修二Unit2Discover Useful Structures教案
2019新人教高中英语选择性必修二Unit 2 Bridging CulturesDiscover Useful Structures公开课教案Teaching aims:By the end of the period, students will be able to:1.To analyse and identify the usages of noun clauses.2.To practise noun clauses in English.3.To revise Xie Lei’s letter of application by using noun clauses.Teaching key and difficult points:1.Analyse and identify the usages of noun clauses.2.Lead students to learn and use noun clauses in the context.3.Help students to use noun clauses correctly in the context.StepⅠLead-inLet students analyse and identify the usages of the noun clauses in the sentences below.Then encourage students to speak out which kind of noun clauses it is.Let students analyse and identify the usages of the noun clauses in the sentences below.Then encourage students to speak out which kind of noun clauses it is.1.You all know that I am a teacher.2.That I am a teacher is known to you all.3.It is known to you all that I am a teacher.4.The fact that I am a teacher is known to you all.5.I am worried about whether you can do well in the exam.6.What I am worried about is whether you can do well in the exam.Suggested answers:1.The object clause.2.The subject clause.3.The subject clause.4.The appositive clause.5.The object clause.6.The predictive clause.StepⅠAsk students to find more noun clauses from the reading passage and state the types of noun clauses and then summarize the usages of the conjunctions—what and that.（红色部分为学生作答）功能句子主语从句·What seemed strange before now appears quite normal to Xie Lei.(what 在从句中作主语)·What surprised Xie Lei was that she found herself speaking up in class after just a few weeks.(what 在从句中作主语)·It’s important that Xie Lei keeps a balance between her studies and her social life.(that 在从句中不作成分,只起连接作用)宾语从句·The first time that she had to write an essay,her tutor explained that she must acknowledge what other people had said if she cited their ideas,but that he mainly wanted to know what she thought!(that在从句中不作成分,只起连接作用;what在从句中作宾语)表语从句·What surprised Xie Lei was that she found herself speaking up in class after just a few weeks.(that 在从句中不作成分,只起连接作用)同位语从句·At first,Xie Lei had no idea what she should say.(what 在从句中作宾语)Activity 2Rewrite each of the following sentences using noun clauses.1.The advisor talked about maintaining reasonable expectations when studying abroad.Hiswords were quite helpful to May.(what)2.Students have to write countless research papers as part of their coursework.This was notsomething that Chen Hao was ready for.(that)3.Who will be the successful applicant for the summer job at the law firm? This is thequestion.(who)4.Exposure to another culture and its people can give exchange students great insights intothe world.This is an advantage of studying abroad.(that)5.Schools in the States are quite multicultural,with students and teachers from manydifferent ethnic backgrounds.This impressed Liu Yang.(It...that)6.Should she stick to her own way of life or follow the American way? This is herconfusion.(whether)Suggested answers:1.What the advisor talked about maintaining reasonable expectations when studying abroadwas quite helpful to May.2.That students have to write countless research papers as part of their coursework was not something that Chen Hao was ready for.3.The question is who will be the successful applicant for the summer job at the law firm.4.An advantage of studying abroad is that exposure to another culture and its people can give exchange students great insights into the world.5.It impressed Liu Yang that schools in the States are quite multicultural,with students and teachers from many different ethnic backgrounds.6.Her confusion is whether she should stick to her own way of life or follow the American way.StepⅠ Think and practiseActivity 1Complete the passage with A~D from the box.What other things do you think might attract international students to China?After just a few months in China,Leon,an exchange student from Germany,says that he has fallen in love with Chinese culture.1.was the Chinese food.He couldn’t believe how many different kinds of Chinese food there are! Something else he found impressive was 2..Then there’s China’s colourful culture,from art to music,and from calligraphy to literature.3.remains an important goal for him,as he is truly fascinated by it.Leon is also amazed by the convenience of cashless payments in China.He can go outside without any need for cash—all he needs is his mobile phone! The biggest reason why he loves China,however,is 4..He has made great friends here—friends that he will still remember long after his departure.Suggested answers:1.C2.D3.B4.AActivity 2Complete the passage about culture shock with the words from the box.What are the four stages of it? How do you think people can overcome culture shock?1.people move to a new country,they often feel worried and stressed2. they don’t know the customs and traditions of the new place.This feeling is3.is generally called “culture shock”.Kalervo Oberg was the one4.first used this phrase.According to Oberg,there are several stages of culture shock.First there is the honeymoon period.During this period,5.people experience is fresh and exciting to them.In the next stage,frustration,people notice more differences between their own culture and the new one.6.people usually do about these differences is either to change their behaviour or return to their home country.If people stay,they come to the third stage which occurs7. they begin to adjust to the new culture.They begin to become familiar with the customs,the thinking,and the habits of the new place.Acceptance is the fourth stage.People finally begin to fit into the new culture.Differences no longer trouble them as much,and they feel8. they might actually belong in the new place.Suggested answers:1.When2.because3.what4.who5.whatever/what6.What7.when8.thatStepⅠ Use and learnActivity 1Use the clues to help you make sentences with noun clauses.1.major,study,influence,choice of universityWhat ______________________________________________________________2.strange to me,students,change classrooms,each lesson,because,my country,teachers,move aroundIt _________________________________________________________________3.advice for exchange students,learn,report,cases of crimes,police___________________________________________________________________is that _________________________________________________________________ Suggested answers:1.What major you want to study will influence your choice of university.2.It is strange to me that students change classrooms each lesson,because in my country teachers move around.3.The advice for exchange students is that they should learn how to report cases of crimes tothe police.Activity 2Work in pairs and take turns to talk about Xie Lei’s experience by completing the following sentences with your own words.1.That ...made Xie Lei confused at first.2.It surprised Xie Lei that...3.What Xie Lei’s tutor wanted to say was that ...4.The motivation for Xie Lei to study abroad was that...Suggested answers:1.That people in London speak fast and use unfamiliar words made Xie Lei confused at first.2.It surprised Xie Lei that her host family were so keen to learn about China.3.What Xie Lei’s tutor wanted to say was that she must acknowledge what other people had said if she cited their ideas.4.The motivation for Xie Lei to study abroad was that she wanted to learn about global business and improve her English so that she could set up a business in China after graduation StepⅠ Share and showRead and revise Xie Lei’s letter of application and improve the letter by using noun clauses.Dear Sir/Madam,I’m Xie Lei,an exchange student from China.I have learnt that volunteer students are wanted for a Chinese painting exhibition to be held in the local art gallery.I’m so delighted.So now I’m writing to apply for the position.The reasons for my application are as follows.Firstly,my good command of English makes me stand out.I acquired this skill from my exposure to English from an early age.What’s more,years of being a class monitor has made me a brilliant organiser.It will really help to keep the exhibition in order.It’s worth mentioning.My related knowledge will undoubtedly help your visitors learn more about Chinese art.This is perhaps the most important factor.In addition,my sense of responsibility will make me a very reliable volunteer.I believe that.I’d appreciate it if you could take my application into consideration.Yours, Xie Lei Suggested answers:Dear Sir/Madam,I’m Xie Lei,an exchange student from China.I’m delighted to learn that volunteer students are wanted for a Chinese painting exhibition to be held in the local art gallery.So now I’m writing to apply for the position.The reasons for my application are as follows.Firstly,what makes me stand out is my good command of English,which I acquired from my exposure to English from an early age.What’s more,it’s worth mentioning that years of being a class monitor has made me a brilliant organizer,which will really help to keep the exhibition in order.The most important factor is perhaps that my related knowledge will undoubtedly help your visitors learn more about Chinese art.In addition,I believe my sense of responsibility will make me a very reliable volunteer.I’d appreciate it if you could take my application into considerationYours,Xie Lei StepⅠ PracticeⅠ.单句语法填空1.This is decorating with plants,fruits and flowers carries special significance.2.As long as it is possible,living a low-carbon life is we must do every day.3.I prefer to exercise at home,and it seems I am always going on a diet.4.they would support us or not was a problem.5.It is clear enough he meant.6.In this fable,gets the gold apple can be blessed by God.7.this happened is now investigated by the police.8.shocked me was that all of these children had no chance to go out of the small village.9.of them will become the next president of this country is still a mystery.10.It has not been announced the plane is to take off.11.is doubtful whether she will be able to come.Ⅰ.翻译句子1.凡是去杭州的人都去西湖游览。