UNIT 4 Discover Useful Structures-ppt课件-（2022）新人教版(2019新版)高中英语选择性必修第二册.pptx

1、UNIT 4 JOURNEY ACROSSA VAST LAND【版本：新人教册别：选择性必修二】Discover useful structures目录页contentsLead-inComprehensive ExercisesUsages of Present Participle and Past Participle HomeworkIII Lead-inWhat do these sentences have in common?1.For both of them,the thought of crossing the whole country by rail was exci

2、ting.2.Before starting out,they spent a couple of days in Vancouver,seeing the sights.3.The next day was clear and mild,and they were pleased to see the beautiful mountains looking out over the city.Lead-in1.For both of them,the thought of crossing the whole country by rail was exciting.2.Before sta

3、rting out,they spent a couple of days in Vancouver,seeing the sights.3.The next day was clear and mild,and they were pleased to see the beautiful mountains looking out over the city.Lead-inCan you find more examples in the passage?4.The next morning,the two girls arose early to take the train to Lak

4、e Louise,passing through the Canadian Rockies.5.Seen from the train window,the mountains and forests of Canada looked massive.6.Looking at the beautiful scenery,they both agreed that it was the most awesome journey they had ever taken.Lead-in7.Edmonton is freezing cold in winter,with daily temperatu

5、res averaging-10.8.However,they did not anticipate seeing such an open country,and were truly amazed.9.and there was frost on the ground,confirming that autumn had arrived in Canada.Lead-inReview of Present Participle and Past Participle Lead-inUsages of Present Participle and Past ParticipleWhat ca

6、n you find and summarize from these sentences?Compare and Find1.The door remained/was/seemed locked.2.a.Everyone present is very inspired at his speech.b.He became interested in two theories.3.a.They were shocked about the news.b.I was shocked by his words.4.a.The glass is broken.b.The glass was bro

7、ken by him.5.a.The book is interesting and Im interested in it.b.Im so excited that his new book is exciting.1.The door remained/was/seemed locked.过去分词作表语，多表示主语所处的状态或所具备的特征，多位于系动词后。这些系动词有 等。be,remain,feel,seem,look,becomeCompare and Find 2.a.Everyone present is very inspired at his speech.b.He becam

8、e interested in two theories.有些过去分词作表语时，已具备了形容词的性质。最常见的有：；。interested,amazed,delighted,disappointed,discouraged,amused,astonished,tired,satisfied,pleased,surprised,worried,excited,annoyed,puzzledCompare and Find3.a.They were shocked about the news.b.I was shocked by his words.4.a.The glass is broken

9、.b.The glass was broken by him.过去分词作表语与被动语态相似，区别在于过去分词作表语表示的是 ，而被动语态表示的是一个 动作，且后面常跟 短语。一种状态或特征一种状态或特征被动的被动的byCompare and Find 5.a.The book is interesting and Im interested in it.b.Im so excited that his new book is exciting.英语中有很多与感觉有关的及物动词，其现在分词形式意为 ，多用来形容 ；其过去分词意为 ，多用来形容 。“令人令人的的”物物“感到感到的的”人、人的声音或

10、表情等人、人的声音或表情等Compare and Find 1.These kids are so (absorb)in their studies that I just sit back.(2019 全国II卷)2.We succeed in our field of specialization and then become _(trap)in it.(2019 天津卷)3.I became (interest)in playing football thanks to a small accident.(2019 全国I卷)4.Whats particularly (interest

11、)is the attitude various cities have toward Dubanchets cause.(2019 浙江卷)absorbedtrappedinterestedinterestingInstant Practice 即学即练What are the similarities and differences of these sentences?1.When combined with practice,theory becomes easier to learn.2.Born in a poor family,he had to work when he was

12、 young.3.The old man walked into the room,supported by his son.4.The deer silently crossed the fields,half hidden in the mists of the fall mornings.Compare and Find 1.When combined with practice,theory becomes easier to learn.2.Born in a poor family,he had to work when he was young.3.The old man wal

13、ked into the room,supported by his son.1.时间状语2.原因状语3.方式状语Compare and Find What are the similarities and differences of these sentences?4.The deer silently crossed the fields,half hidden in the mists of the fall mornings.5.Cleared,this site would make a good playground.6.Even if invited,I wont go.4.伴

14、随状语5.条件状语6.让步状语 过去分词作状语，修饰 ，进一步说明谓语动词的动作和状态，即动作发生时的背景或状况；构成过去分词的动词与句子主语之间是逻辑上的 _ 关系，即表 。谓语动词谓语动词动宾动宾被动被动Compare and Find 1.Hearing the news,they got excited.2.Working harder,you will make greater progress.3.Being ill,he couldnt go to school.4.All night long he lay awake,thinking of the problem.5.Pre

15、paring carefully,he still didnt make it.6.He did his homework carelessly,making a lot of mistakes.Compare and Find What are the similarities and differences of these sentences?1.Hearing the news,they got excited.2.Working harder,you will make greater progress.3.Being ill,he couldnt go to school.4.Al

16、l night long he lay awake,thinking of the problem.1.时间状语2.条件状语3.原因状语4.伴随状语Compare and Find 5.Preparing carefully,he still didnt make it.6.He did his homework carelessly,making a lot of mistakes.5.让步状语6.结果状语 现在分词作状语，修饰 ，进一步说明谓语动词的动作和状态，即动作发生时的背景或状况；构成现在分词的动词与句子主语之间是逻辑上的 _ 关系，即表 。谓语动词谓语动词主谓主谓主动主动Compa

17、re and Find 1.First (celebrate)in 1970,the Day now includes events in more than 190 countries and regions.(2019 北京卷)2.(see)from the hill,you will find the city looks like a big garden.3.(see)from the hill,the city looks like a big garden.4.The national park has a large collection of wildlife,_(range

18、)from butterflies to elephants.(2017 北京卷)celebratedSeeingSeenrangingInstant Practice 即学即练More Thinking What other components can present participle and past participle act as?Can you give some examples?1.Reading is necessary for you to expand your knowledge.2.Watching films is my favorite pastime.现在

19、分词（短语）可作 ，且谓语动词用 _；过去分词（短语）主语。主语主语 单数单数不可作不可作1.Would you mind pulling back the curtain?2.How do you think of his idea of going camping tomorrow?现在分词（短语）可作 ；过去分词（短语）宾语。宾语宾语不可作不可作More Thinking 1.The broken vase has been thrown outside.2.He likes the gift bought by his father very much.3.The little gir

20、l was sitting by the window and staring at the falling leaves.4.The workers building the houses work day and night.过去分词/现在分词(短语)均可作 ；定语定语More Thinking 1.She found her necklace gone on her way home.2.He didnt notice his wallet stolen.3.I heard her singing an English song when I passed by her room yes

21、terday.4.I heard the English song sung many times.过去分词/现在分词均可作 。宾语补足语宾语补足语More Thinking Summary形式用法主语宾语表语定语状语补语现在分词 过去分词 1.Like many other students,you may have various people,_(include)family members and friends,giving input on your college.(2021 八省联考)2.This may be due to some disadvantages for peo

22、ple _ (live)in the countryside.(2021 浙江卷)3.All the football players on the playground cheered loudly,_(say)that I had a talent for football.(2019 全国I卷)includinglivingsayingInstant Practice即学即练4.They are easy (care)for and make great presents.(2020 全国II卷)5.(spend)nearly all our money,we couldnt affor

23、d to stay at a hotel.(2014 江西卷)to careInstant Practice即学即练Having spent7.Travelling by taxi in London is not just a way of going from one place to another.It is an experience _ (enjoy).(2018 浙江卷)8.(know)which university to attend,the girl asked her teacher for advice.to be enjoyedNot knowingInstant P

24、ractice即学即练9.The problem (discuss)now at the meeting is very important.10.He stood by the piano,eyes closed,listening for the first time to his own work (play)by someone else.(2019 江苏卷)being discussedbeing playedInstant Practice即学即练What do you find from the above sentences?What should we consider wh

25、en choosing the right forms of the non-finite verbs?Whats the logic of getting the right non-finite verbs?More Thinking Summary 非谓语动词的否定形式：非谓语动词的否定形式：在非谓语动词前加 。非谓语动词的复合结构：非谓语动词的复合结构：for sb to do sth(sb 是 to do 的逻辑主语)ones doing(one 是 doing 的逻辑主语)notSummary语态及用法主动被动用法一般式完成式一般式完成式主语宾语表语定语状语补语现在分词过去分词to

26、 dodoinghaving donebeing donehaving been donedone 非谓语动词的时态和语态非谓语动词的时态和语态 to doto have doneto be doneto have been done 非谓语题答题技巧非谓语题答题技巧 确定是否需要非谓语；分析是不是固定短语；分析出非谓语的逻辑主语；分析非谓语与其逻辑主语之间是主动关系还是被动关系；分析非谓语表示的动作与主句谓语动作发生的时间关系。Summary Comprehensive Exercises1.Six“sacrificial pits(祭祀坑)”,;(date)back to 3,200 to

27、 4,000 years,were discovered in the Sanxingdui Ruins site.(2021 郑州三测)2.The Sanxingdui Ruins site,;(consider)as one of the most important archaeological sites along the upper reaches of the Yangtze River,covers an area of 12 square kilometers with its core zone of an ancient city _(cover)3.6 square k

28、ilometers.(2021 郑州三测)datingconsideredcoveringComprehensive Exercises3.When (interview)by the school TV station,I expressed my pride in our splendid culture.(2021 郑州三测)4.My mom told me how to preparing it.(改错)(2020 全国I卷)5.And when he saw the mists rising from the river and the soft clouds (surround)t

29、he mountain tops,he was reduced to tears.(2020 全国III卷)interviewedprepareComprehensive Exercisessurrounding6.Later,they learned to work with the seasons,planting at the right time and,in dry areas (make)use of annual floods to irrigate(灌溉)their fields.(2020 浙江)7.Modern methods of tracking polar bear

30、populations have been employed only since the mid-1980s,and are expensive _(perform)consistently over a large area.(2019 全国I卷)makingComprehensive Exercisesto performto getComprehensive Exercises8.On our way to the house,it was raining so hard that we couldnt help wondering how long it would take _(g

31、et)there.(2019 全国III卷)9.On the last day of our week-long stay,we were invited to attend a private concert on a beautiful farm on the North Shore under the stars,(listen)to musicians and meeting interesting locals.(2019 全国III卷)listening10.Chinas approach to protecting its environment while _(feed)its

32、 citizens“offers useful lessons for agriculture and food policymakers worldwide”.(2018 全国III卷)11.I quickly lower myself,ducking my head to avoid _(look)directly into his eyes so he doesnt feel _(challenge).(2018 全国III卷)feedingComprehensive Exerciseslookingchallenged12.Once his message was delivered,

33、he allowed me _(stay)and watch.(2018 全国III卷)13.Everyone was silent,wait to see who would be called upon to read his or her paragraph aloud.(改错)(2018 全国III卷)to staywaitingComprehensive ExercisesHomework Homework 1.Finish the exercise on Page 83.2.Summarize the usage of present participle and past participle by means of a mind map.