Unit 1 Discover Useful Structures课件-高中英语人教版（2019）选择性必修第三册

1、UNIT 1 ART【版本：新人教册别：选择性必修三】Discover Useful Structures目录页contents Lead-in Language points Infinitives as the predicative HomeworkIII Lead-in1. Perhaps the best _ to understand Western art is to look at the development of Western painting over the centuries.2. During the Middle Ages, the _ of Western

2、art was to teach people about Christianity.Read these sentences and fill in the blanks using the correct words from the text on Pages 2 and 3. Discuss with your partner the function of the italicised infinitives.waypurpose Lead-inDiscover and Find3. In this work, Monets _ was to convey the light and

3、 movement in the scene .4. _ was no longer show reality, but instead to ask the question, “What is art?”What they attempted to doaim Lead-inDiscover and Find Lead-inDuring the Middle Ages, the purpose of Western art was to teach people about Christianity.During the Middle Ages, to teach people about

4、 Christianity was the purpose of Western art. Infinitives as the predicative1. 结构 动词不定式可以放在be, become, sound, taste等_后面作表语。 2. 功能 Perhaps _ the development of Western painting over the centuries. 也许，了解西方艺术的最好方法就是回顾若干个世纪以来西方绘画的发展。 _ your father for his opinion. 我的建议是问问你父亲的意见。 Infinitives as the predi

5、cative系动词the best way to understand Western art is to look at What I would suggest is to askDiscover and Find Infinitives as the predicative动词不定式作表语Tip 1：主语是以 _ _ 等为中心的名词词组时，或者以 _表示时，一般用动词不定式作表语说明主语的内容。 difficulty, experience, habit, job, method, principle, problem, reason, risk, role, task, thing,

6、wish, aim, suggestion, duty, hope, idea, intention, plan, purpose, wayadvice, ambition, custom, challenge, business, desire,有时，根据表达的需要，在作表语的不定式前，还可添加疑问代词或疑问副词，包括what, who, how, when, where等。例如：The problem was how to begin.what引导的名词性从句Discover and Find All he wanted was _. 他只想一个人待着。 The least I can d

7、o to help is _. 我所能帮的最起码的事是借给她一辆车。 Infinitives as the predicativeTip 2：当主语包含定语从句且其先行词为代词 _ 或者主语被_ 或形容词 _ 修饰时，其后可接“系动词+不定式”作句子的表语。to be left alone to lend her a car allonly, first, one, least最高级Discover and Find Infinitives as the predicative The regulations are _. = The regulations must be observed.

8、 You are _. = You should be rewarded.Tip 3：动词不定式作表语可用于被动语态，相当于_，具有情态意义。to be observed to be rewardedcan / could, should, ought to, mustDiscover and Find Infinitives as the predicative You must be patient and persistent if you are _. (愿望)如果你想成功，你必须有耐心和恒心。 You are _ a face-to-face talk with them. (劝告)

9、 你必须得和他们进行一次面对面的谈话。Tip 4：动词不定式作表语可表示“_”等。意愿、禁止、预期的结果to succeed to haveDiscover and Find同意、安排、命令、决定、劝告、愿望、 Infinitives as the predicative Who is _ the fire? 谁应为这场大火承担责任？ The house is _. 此房出租。Tip 5：某些动词不定式(短语)作表语时，需用主动形式表示_。 to blame for to let被动意义Discover and Find Infinitives as the predicative1. 我们需

10、要做的就是怀有希望过好每一天。 _2. 他们试图做的是引起公众关注。 _3. 晚上他做过的唯一的事是读报纸。_动词不定式作表语省略to的情况 All we need to do is live each day with hope.What they attempted to do was draw public attention.In the evening the only thing he did was read the newspaper.动词不定式(短语)作表语时，一般情况下不定式符号to不能省略，但当主句主语部分含有实义动词do的某种形式时，可省略作表语的动词不定式（短语）里的

11、不定式符号to: Infinitives as the predicative1. 动词不定式和v-ing作表语时，要注意与句子的主语在形式上保持一致，即若句子的主语为v-ing，则表语也应使用v-ing；若主语为动词不定式，则表语也应使用动词不定式。To see is to believe. = Seeing is believing.动词不定式作表语和v-ing作表语的区别2. 动词不定式和v-ing作表语时可换用，但以下情况除外:(1) 当动词所表达的是某一特定的行为，尤其是将来的行为或有待于实现的行为时，通常用动词不定式作表语。 Her best wish is to put her

12、new ideas into practice. Infinitives as the predicative动词不定式作表语和v-ing作表语的区别(2) 若动词所表达的并不强调动作，而是表示主语的内容，则通常用v-ing作表语。My favorite sport is swimming.What I hate most is being laughed at. Infinitives as the predicative.单句语法填空1. The most meaningful thing he wants to do is _ (help) the poor.2. This year,

13、his plan is _ (make) some changes in the teaching method.3. What I suggest is _ (start) work at once.4. One of her hobbies is _ (collect) stamps.5. I think it is your brother who is _ (blame) for the accident. to helpto maketo startcollectingto blame即学即练 Infinitives as the predicative6. Suppose you

14、are _ (be) a journalist for China Daily, do you know what kind of jobs they have?7. You are _ (reward) if you have made a breakthrough. 8. Through my years of school life, Ive learned that if we are _ (make) a difference in life, its of great importance that we should begin with small things. 9. The

15、 students trust her very much; as a result, her advice is _ (influence) their decisions. to be to be rewarded to make to influence 即学即练 Infinitives as the predicative.翻译句子1. 对敌人仁慈就是对人民残酷。_2. 我的主要目的是指出这件事的困难。 _3. 我建议推迟会议。 _To be kind to the enemy is to be cruel to the people.My chief purpose is to po

16、int out the difficulties of the matter.What I would suggest is to put off the meeting.即学即练 Infinitives as the predicative4. 他的梦想是成为一名演员。 _5. 他讨厌的事情是睡觉的时候被吵醒。 _His dream is to become an actor.What he dislikes / hates is being woken up while sleeping.即学即练 Infinitives as the predicative1. Todaywehavech

17、atrooms,textmessaging,emailing butweseem_(lose) the art of communicating face-to-face.(2011 上海)2. Thatistheonlywaywecanimagine _ (reduce) theoveruseofwaterinstudentsbathrooms. (2010 上海) 3. The engine just wont start. Something seems _ (go) wrong with it. (2013 重庆)to be losingto reduceto have gone高考链

18、接 Infinitives as the predicative4. With his car stuck in the snow, all he could do was _ (wait) for help to arrive. (2016 辽宁)5. Its said that they are _ (attend) an important academic conference next week. (2014 福建) to wait to attend高考链接 Infinitives as the predicativeWork in pairs. Make conversation

19、s using the following questions and sentence patterns.1. Whats your biggest dream / ambition in life?2. How are you going to make your dream come true?3. How are you going to achieve your goal?4. Do you have any plans?5. What might be difficult for you?6. How are you going to deal with ? My biggest

20、dream / ambition in life is to I think all I have to do is My plan is to I think one of the hardest things might be I guess the best way to is 理解与运用 Infinitives as the predicativeWork in groups. Imagine you are going to open an art studio. Brainstorm ideas about the purpose of your art studio and your plan. Then write a short introduction about it. Try to use infinitives in your passage.The