Unit 2 Discovering Useful Structures 课件--高中英语人教版（2019）必修第三册.pptx

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1、Discovering Useful StrutureDesribe peoples actions 必修必修Book 3 Unit 2 Morals and Virtues1.To learn the usage of V-ing form used as adverbial or object complement in a sentence.2.To apply what we learn in this period to exercises,especially in writing,and grammar filling.Learning objectivesLead-inRead

2、 and discuss the functions and meanings of the-ing form.1.her brother complained,thinking of the high tuition fees.2.Thinking of all the people still in need of help,Dr Lin opened a private clinic.3.The new Peoples Republic of China saw Dr Lin Qiaozhi playing a key role.adverbialadverbialobject comp

3、lementV-ing形式在句中作状语形式在句中作状语 一般形式一般形式 完成形式完成形式 doing having done例：1.Seeing nobody at home,she decided to leave them a note.（主动主动意义，v-ing的动作和谓语的动作几乎同时同时发生。）2.Having waited for an hour,he realized he had left his wallet at home.(主动主动意义，v-ing的动作发生在谓语的动作之前之前。）例：Walking in the park，she saw an old friend.W

4、hen/while(she was)walking in the park，she saw an old friend.相当于一个时间状语从句例：Notknowingheraddress,Icantwritetoher.=Because I dont know heraddress,Icantwritetoher.相当于一个原因状语从句例：Studying hard，youll make great progress.If you study hard，youll make great progress.相当于一个条件状语从句例：Livingmilesaway,heattendedthecou

5、rse.=Although he lived miles away,heattendedthecourse.相当于一个让步状语从句 例：She walked along the street，singing softly to herself.She walked along the street and sang softly to herself.He had a high fever when he was three,making him completely blind.1.Using your head,youll find a good way.2.Being poor,he c

6、ouldnt afford a TV set.3.Hearing the news,they all jumped with joy.4.Admitting what she has said,I still think that she hasnt tried her best.5.He came running back to tell me the news.6.Four people entered the room looking around in a curious way.7.He had a high fever when he was three,making him co

7、mpletely blind.条件条件结果结果伴随伴随方式方式让步让步时间时间原因原因 -ing作条件，时间，原因，让步等状语时，一般放在句首。作条件，时间，原因，让步等状语时，一般放在句首。作结果，伴随，方式等状语时，一般放在句末。作结果，伴随，方式等状语时，一般放在句末。1 1V-ing形式在句中作形式在句中作宾补宾补 使用v-ing形式作宾补，常表示宾语和宾补之间是主动关系或表示v-ing形式的动作正在进行。感官动词（短语）see,watch,observe,look at,notice,hear,listen to,feel等后常接v-ing形式作宾补，宾语和宾补之间是主动主动关系。以

8、see为例：see+宾语+doing sth.看见看见正在做正在做某事1).have+宾语+doing sth.使持续持续做某事2).get+宾语+doing sth.使开始开始做某事3).keep/leave+宾语+doing sth.使一一直直做某事例：Im sorry to keep you waiting for so long.例：With the time passing by,he almost forgot everything in the past.随着时间的流逝，他几乎忘记了过去所有的事情。主动Complete the sentences with the correct

9、 forms os the verbs in Complete the sentences with the correct forms os the verbs in the box.the box.feel want face smile return worry hear knockfeel want face smile return worry hear knockHearing worrying wanting knocking Facing Returning smiling Feeling Henry Norman Bethune was a Canadian doctor w

10、ith a very creative mind and a determination to help people.As a small boy,he became very interested in medicine and decided to become a doctor.After he graduated from medical college in 1916,Bethune worked as a doctor in England.the US,and Canada.He reinvented or redesigned over 10 medical instrume

11、nts to make them more useful.In 1938,Bethune deciding to become a doctorRead the following story and rewrite the underlined parts using the-ing form.Rewrite the underlined parts using the-ing form.left for China,after he heard that many people were dying in the war.Despite the difficult situation.Dr

12、 Bethune did whatever he could to assist the Chinese people.He helped to organise hospitals,taught doctors and nurses,and showed people how to give first aid.Sadly,Dr Bethune passed away in November the following year and was buried in after hearing that many people were dying in the warHelping to o

13、rganise hosptitals,he taught doctors and nurses,and showed people how to give fist aid.Rewrite the underlined parts using the-ing form.Shijiazhuang.After Dr Bethunes death,Chairman Mao Zedong wrote an article in memory of him,in which he praised Dr Bethune as a hero to be remembered in China.praisin

14、g Dr Bethune as a hero to be remembered in China.练习：把下列句子改成非谓语作状语的句子：1.When he walked in the fields on a March afternoon,he could feel the warmth of spring.2.She sat at the desk and read a book.3.If you read carefully,youll learn something new.4.Because I dont know his address,I cant write to him.5.

15、Though he knew the truth,he remained silent.练习：把下列句子改成非谓语作状语的句子：1.When he walked in the fields on a March afternoon,he could feel the warmth of spring.Walking in the fields on a March afternoon,he could feel the warmth of spring.2.She sat at the desk and read a book.She sat at the desk reading a boo

16、k.3.If you read carefully,youll learn something new.Reading carefully,youll learn something new.4.Because I dont know his address,I cant write to him.Not knowing his address,I cant write to him.5.Though he knew the truth,he remained silent.Though knowing the truth,he remained silent.Walking through

17、the park,the flowers looked very beautiful.-ing形式作状形式作状语时,它的它的逻辑主主语与与句子的主句子的主语一致。一致。Walking through the park,we saw a lot of flowers.2 2Attention！判断下列句子是否正确。1.Entering the room,I found the wall newly-painted.2.Entering the room,the first thing that met eyes was the newly-painted wall.3.Being very bu

18、sy,the film tickets were given to others.4.Being very busy,I could not afford the time to go to the cinema.5.Running after each other in the street,the two boys were knocking down by a bike.6.Running after each other in the street,a bike knocked down the two boys.TFFTTF对比：1.Hearing the news,she was

19、shocked.2.Having heard the news,she made a decision.3 3主动主动被动被动一般式一般式完成式完成式(not)doing(not)doing(not)being done(not)being done(not)having done(not)having done(not)having been done(not)having been donedoing的一般式和完成式的一般式和完成式一般式：一般式：分词动作与谓语动词的动作分词动作与谓语动词的动作同时同时发生发生完成式：完成式：强调强调分词动作先发生分词动作先发生1._(fail)to re

20、ach them on the phone,I sent an email insead.2._(wait)in the queue for half an hour,the old man suddenly realized he had left his money in the car.3._(arrive)at the airport,they found their flight had taken off.4._(bite)twice,the postman refused to deliver our letters unless we chained our dog up.5.

21、_(hear)the joke,we burst out laughing.6._(find)the course very difficult,she decided to move to a lower level.Having failed Having waited ArrivingHaving been bitten HearingFinding练习练习1.All customers _(travel)on TransLink services must be in _(possess)of a valid ticket before boarding.2.In fact,anyon

22、e _(wish)to try race walking should probably first consult a coach or _(experience)racer _(learn)proper technique.3.One of his latest projects has been to make plants grow in experiments _(use)some common vegetables.travellingpossessionexperiencedwishingto learn 高考链接高考链接using4.Nervously _(face)chall

23、enges,I know I will whisper to myself the two simple words“Be yourself”.5._(work)for two days,Steve managed to finish his report on schedule.6.All the football players on the playground cheered loudly,_ (say)that I had a talent _ football.7._(turn)around,we saw an old woman _;(walk)towards the river

24、.高考链接高考链接facingHaving workedsayingforTurningwalking8.Chinas approach to _(protect)its environment while _(feed)its citizens offers useful lessons for agriculture and food policymakers worldwide.9._(know)which university to attend,the girl asked her teacher for advice.10.Some students will feel a growing sense of anxiety with the exam _(draw)near while others may appear calm.Not knowingdrawing高考链接高考链接protectingfeeding1.Please finish Exercise 1 on P68.2.金榜和小册子上useful structure 的内容Homework