Unit 4 Discovering Useful Structures （ppt课件）-2022新人教版（2019）《高中英语》必修第三册.pptx

1、To do(Infinitives)To do动词谓语非谓语donedoingto do语法感知1.节约时间就是延长生命。节约时间就是延长生命。_.2.仰望星空，人们总是想要更多地了解太空。仰望星空，人们总是想要更多地了解太空。_._.3.宾补 _._.To save time is to lengthen life.Looking at the stars,people have always wanted to learn more about space.语法感知4.一些科学家决意要帮助人类实现一些科学家决意要帮助人类实现探索太空的探索太空的梦想。梦想。_ 5.这些灾难让每个人都感到悲伤

2、和失望，但探索宇宙的愿望永不磨灭这些灾难让每个人都感到悲伤和失望，但探索宇宙的愿望永不磨灭。_6.他们制造运载工具，把勇敢者送入太空，去探索宇宙的秘密。他们制造运载工具，把勇敢者送入太空，去探索宇宙的秘密。_ Some scientists were determined to help humans realize their dream to explore space.They make vehicles to carry brave people into space to find out the secrets of the universe.These disasters mad

3、e everyone sad and disappointed，but the desire to explore the universe never died.1.作主语、宾语、表语，宾补To doInfinitives 2.作定语 3.作状语动词不定式做定语Translate sentences and Appreciate usage1.明天将要明天将要出席开幕式的所有老师都应该穿制服出席开幕式的所有老师都应该穿制服。_2.The airport _(complete)next year will help promote tourism in this area.All the te

4、achers to attend the opening ceremony tomorrow should wear the uniforms.to be completed 不定式作定语：不定式作定语：一般位于所修饰词的后面；表示还未发生的动作一般位于所修饰词的后面；表示还未发生的动作动词不定式做定语Appreciate usage1.China became the third country in the world to independently send humans into space in 2003.2.It is recognized that he is the best

5、 man to do the job.3.He is the only one to survive the accident.4.He is always the first to come and last to leave.1.名词名词被特定词被特定词修饰修饰当名词被序数词或当名词被序数词或 the only,the next,the last,the right修饰，且该名词修饰，且该名词是作定语的非谓语动词的执行者时，用不定式主动形式作定语。是作定语的非谓语动词的执行者时，用不定式主动形式作定语。动词不定式做定语Translate sentences and Appreciate u

6、sage1.These disasters made everyone sad and disappointed,but the desire to explore the universe never died.2.Practice is the only way to learn a language well.3.In the past,women had no chance to go to school.2 2.特定特定抽象名词抽象名词 ability,chance,opportunity,belief,way,right,courage,decision,hope,wish,dre

7、am等后等后常用动词不定式做定语。常用动词不定式做定语。动词不定式做定语Appreciate usage1.We dont have enough paper to write on.2.There is nothing to worry about.3.Give me a pen to write with4.He is looking for a room to live in.3.3.不定式不定式加加介词作介词作定语定语作定语的作定语的动词不定式如果动词不定式如果是是vi.或者不定式或虽然是或者不定式或虽然是vt.vt.但不能与被修但不能与被修饰词构成动宾关系，不定式饰词构成动宾关系，不

8、定式后面须有相应的介词。后面须有相应的介词。动词不定式做定语1.He is the only one to survive the accident.2.She has a meeting to attend today.3.The desire to explore the universe never died.主谓关系主谓关系动宾关系动宾关系同位关系同位关系动词不定式做定语1.Do you have any clothes to wash?2.Kids,do you have any clothes to be washed?3.I cant go out this afternoon,

9、because I have many materials to type.4.The boss told me that he had many materials to be typed.当不定式与前面的名词构成动宾关系，且和句中的主语构成逻辑上的主当不定式与前面的名词构成动宾关系，且和句中的主语构成逻辑上的主谓关系时，用主动形式表被动意义；若没有逻辑上的主谓关系且不确定谓关系时，用主动形式表被动意义；若没有逻辑上的主谓关系且不确定逻辑主语是谁时，仍用被动语态。逻辑主语是谁时，仍用被动语态。动词不定式作定语1.We are having a meeting in half an hour.

10、The decision _(make)at the meeting will influence the future of our company.2.Volunteering gives you a chance _(change)lives,including your own.3.The students are looking forward to having an opportunity _(explore)society of real-life experience.4.I have a lot of readings _(complete)before the end o

11、f this term.高考连接高考连接to be madeto change to exploreto complete动词不定式做状语Appreciate the usage1.To learn a language well,you must make painstaking efforts.2.In order to catch the first bus,he got up early.3.We work hard so as to be admitted into a key university and pursue what we want.不定式作不定式作目的目的状语状语可用

12、可用in order to/so as to 代替，有时为了突出强调目代替，有时为了突出强调目的，还可将这个词组置于句首，但的，还可将这个词组置于句首，但so as to一般不用于句首。一般不用于句首。动词不定式做状语Appreciate the usage1.He arrived at the train station,only to find the train had already left.2.The Californian ship arrived too late to save more people.3.She is so proud as to look down upo

13、n others4.Im such a fool as to think that she is a warm-hearted woman.5.You must be intelligent enough to get a related college degree.不定式作不定式作结果状语结果状语，表示出乎意料的结果；有时也可用，表示出乎意料的结果；有时也可用only to,too.to,enough to,so.as to 来表示结果状语。来表示结果状语。动词不定式做状语Appreciate the usage1.He was astonished to hear the news.2.

14、Im disappointed to hear you lack the patience.3.The author is content to live a simple life.4.We are shocked to know that he died in the air crash.不定式作不定式作原因状语原因状语，常用于，常用于“主语主语+be+形容词形容词+to do”结构中，此结构中，此类形容词多是类形容词多是glad,excited,disappointed,shocked等表示喜怒哀乐的等表示喜怒哀乐的形形容词容词,表示产生情绪的原因。表示产生情绪的原因。动词不定式作状语1

15、._(make)it easier to get in touch with us,youd better keep this card at hand.2.Anxiously,she took the dress out of the package and tried it on,only _(find)it didnt fit.3.Group activities will be organised after class _(help)children develop team spirit.4.George returned after the war,only _(tell)tha

16、t his wife had left him.5.This machine is very easy _(operate).Anybody can learn to use it in a few minutes.6.We were astonished _(find)the temple still in its original condition.高考连接高考连接To maketo findto helpto be toldto operateto findHello,my dear friends!I am greatly honoured _(share)the event wit

17、h you.The theme of the activity is _(introduce)Chinese traditional culture.During this month,there will be various activities for you _(experience)the rich and colourful Chinese culture.You will have a chance _(make)paper-cutting or _(appreciate)Chinese arts.There will be some lectures for you _(att

18、end),_ is beneficial to your understanding about China._(learn)more about China,dont hesitate _(contact)us and be the first _(sign)up for the activity.to shareto introduceto experienceto maketo appreciateInfinitive as attribute and adverbial:Exercise语篇演练语篇演练to attendTo learnwhichto contactto sign谓语和

19、非谓语to do-:He promised to make greater efforts in the future.doing-:Walking in the rain,she felt quite tranquil.done-:This is the first time I have heard the song sung in French.to be done-:These are the words to be studied tomorrow.being done-:The boy being scolded is Xiaoming.having done-:Having finished the letter,she folded it.having been done-:I forgot once having been taken to the sea.