Unit 1Section B（教学ppt课件）-（2019版）新人教版选择性必修第三册高中英语.pptx

1、Unit 1 Art First Leading 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 art was to teach people about Christianity.3 In this work, Monets was to convey the light and movement in the scene 4

2、was no longer show reality, but instead to ask the question, What is art? way purpose aim What they attempted to do 讨论活动1中的四个句子，并完成填空。Second While-classOur plan is to make better use of these materials.What I would suggest is to ask your father for his opinion.The next step is to make sure that you

3、know exactly what is required.He was to die in a shipwreck and to leave his wife and two children.（说明主语）（说明主语）（表示目的）（表示结果）动词不定式（短语）作表语相当于名词作表语。它和主语处在同等地位，所指的或是和主语一样的东西，或是主语产生的结果。常常可以将主、表交换位置，句子的意义不变。一、动词不定式（短语）作表语的用法1.主语是以aim，suggestion，duty，hope，idea，intention，plan，purpose，the way to do sth等为中心的名词词

4、组时，或者以what引导的名词性分句表示，一般用动词不定式作表语说明主语的内容。动词不定式（短语）作表语2.表示目的。The next step is to make sure that you know exactly what is required.下一步你要真正弄清楚需要的是什么。3.表示事态发展的结果、预期的结果、不幸的命运或预言。He was to die in a shipwreck and to leave his wife and two children.后来他在一次船只失事中丧生，留下了妻子和两个孩子。4.用于被动语态，相当于can/could，should，ought

5、to，must，具有情态意义。The regulations are to be observed.规章制度必须遵守。(must) 5.表示同意、安排、命令、决定、劝告、愿望、意愿、禁止等。They are to marry next week.他们将在下周结婚。（安排）6.动词不定式（短语）作表语时，可用主动形式表示被动意义。Who is to blame for the fire？谁该对此次火灾负责？二、动词不定式（短语）作表语省略to的情况动词不定式（短语）作表语时，一般情况下不定式符号to不能省略，但在以下几种情况下可省略不定式符号to：1.all作主句主语，其后的定语从句中含有实义动

6、词do的某种形式时。例：All we need to do is live each day with hope.我们需要做的就是带着希望过好每一天。2.what引导的从句作主语，从句中含有实义动词do的某种形式时。例：What I want to do is take a holiday right away.我想马上就去度假。3.（主句）主语被only，first，one，least或形容词最高级修饰，且其后作定语的从句或短语中含有实义动词do的某种形式时。例：In the evening the only thing he did was read the newspaper.晚上他唯一

7、做的就是看报纸。三、动词不定式（短语）作表语和v-ing（短语）作表语的区别1.动词不定式（短语）和v-ing（短语）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（短语），则表语也应使用v-ing（短语），若主语为动词不定式（短语），则表语也应使用动词不定式（短语）。例：To see is to believe.= Seeing is believing.眼见为实。2.动词不定式（短语）和v-ing（短语）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（短语）作表语。Her best wi

8、sh is to put her new ideas into practice.她最大的愿望是将自己的新想法付诸实践。（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（短语）作表语。My favorite sport is swimming.我最喜欢的运动是游泳。1 The young singers intention of performing the song was2 The best way to do business is3 What the survivors attempted to do was4 The main purpose of art e

9、ducation in schools is5 The aim of the two leaders at the conference was6 For a humble person, one of the hardest things might be7 When you are faced with a serious decision, my suggestion is8 The mother believes her duty is9 All he wanted after a tiring day wasA to build trust between you and yourc

10、lientB to achieve permanent peace betweentheir two countriesC to build a memorial to the heroes whosaved their livesD to share his love for rock music withhis fansE to be left aloneF to criticise other peopleG to inspire students to be creativeH to listen to your own inner voiceI to raise her son to

11、 become a man witha noble mind and a generous heartThird After-classThird After-class1 Whats your biggest dream/ambition in life2 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 d

12、eal with.?My biggest dream/ambition in life is toI think all I have to do isMy plan is toI think one of the hardest things might beI guess the best way to.is一、动词不定式（短语）作表语的用法一、动词不定式（短语）作表语的用法1.主语是以aim，suggestion，duty，hope，idea，intention，plan，purpose，the way to do sth等为中心的名词词组时，或者以what引导的名词性分句表示，一般用动词不定式作表语说明主语的内容。2.表示目的。3.表示事态发展的结果、预期的结果、不幸的命运或预言。4.用于被动语态，相当于can/could，should，ought to，must，具有情态意义。5.表示同意、安排、命令、决定、劝告、愿望、意愿、禁止等。6.动词不定式（短语）作表语时，可用主动形式表示被动意义。二、动词不定式（短语）作表语省略二、动词不定式（短语）作表语省略to的情况的情况三、动词不定式（短语）作表语和三、动词不定式（短语）作表语和v-ing（短语）作表语的区别（短语）作表语的区别Thank you!