Unit 3 Grammar and usage （ppt课件）-2023新牛津译林版（2020）《高中英语》选择性必修第二册.pptx

1、withdrawequipartificiallimbrubberoutgoinggratefulvi.&vt.(withdrew,withdrawn)脱离脱离(社会社会),不与人交往；不与人交往；(使使)撤离；撤离；(使使)退出；停止提供退出；停止提供vt.配备；使有能力配备；使有能力adj.人工的，人造的；人为的；人工的，人造的；人为的；虚假的虚假的n.肢，臂，腿肢，臂，腿n.橡胶；橡皮橡胶；橡皮adj.外向的外向的adj.感激的，表示感谢的感激的，表示感谢的 Read after the tape and speak out the Chinese immediately.disable

2、d disabilityconventionalleathersensorypatentadj.有残疾的，丧失能力的有残疾的，丧失能力的n.缺陷，障碍缺陷，障碍adj.传统的，习惯的；依照传统的，习惯的；依照 惯例的，遵循习俗的惯例的，遵循习俗的n.皮革皮革 adj.感觉的，感官的感觉的，感官的n.专利，专利证书专利，专利证书adj.有专利的，受专利保护的有专利的，受专利保护的Below is a personal account given by a girl who is equipped with a robotic hand.Find the sentences that use th

3、e present perfect continuous tense and fill in the box below.Check your answers!1.Scientists have been making great progress in robotic technology in recent years,.2.Over the past three months I have been testing out the limits of what I can do with my new hand,.3.For example,I have been cooking for

4、 my family again since I got my new hand.4.I have been waiting for this chance ever since my accident,.the presenthas/have been doing Focus on 基本用法基本用法Present Perfect Continuous Tense 现在完成进行时现在完成进行时 基本概念基本概念 用法用法 现在完成时和现在完现在完成时和现在完成进行时的区别成进行时的区别现在完成进行时表示现在完成进行时表示动作从过去某一时间开始动作从过去某一时间开始一直持续到现在一直持续到现在，

5、这个动作可能，这个动作可能刚终止刚终止，也可，也可能能还在进行还在进行。构成形式为构成形式为主语主语+has/have been doing+其他。其他。Sorry,Im late.Have you been waiting long?对不起，我迟到了。你等了很久了吗对不起，我迟到了。你等了很久了吗?（动作刚终止，不再继续下去动作刚终止，不再继续下去）The Chinese have been making paper for two thousand years.中国有中国有2000年的造纸历史。年的造纸历史。（动作还将继续下去动作还将继续下去）现在完成进行时的基本概念现在完成进行时的基本概

6、念1.现在完成进行时常与表示一段时间的状现在完成进行时常与表示一段时间的状语连用，例如：语连用，例如：all the time,this week,all night,these few days,for.,since.等。等。A private detective has been tailing him for several weeks.一位私人侦探几个星期以来一直在跟踪他。一位私人侦探几个星期以来一直在跟踪他。Craig loves outdoor activities-he skis in winter and has been fishing and hunting since h

7、e was a child.Craig热爱户外活动，冬天他去滑雪，他从热爱户外活动，冬天他去滑雪，他从小就开始钓鱼和打猎。小就开始钓鱼和打猎。现在完成进行时的用法现在完成进行时的用法 What have you been doing this morning?You look tired.你今天早晨干什么了？你看起来很疲惫。你今天早晨干什么了？你看起来很疲惫。You have been reading newspapers.Newspapers are lying everywhere in your room.你一直在读报吧。你的房间里到处摊着报纸。你一直在读报吧。你的房间里到处摊着报纸。2

8、.现在完成进行时的动词表示现在完成进行时的动词表示一直到说话一直到说话时为止的时为止的一段时间内，大部分时间一段时间内，大部分时间都在持都在持续进行的动作（不一定延续到说话的时续进行的动作（不一定延续到说话的时候）候），往往这个，往往这个动作动作与与现在的状态现在的状态有联系。有联系。现在完成时和现在完成进行时的区别现在完成时和现在完成进行时的区别1.在不同时间状语的情况下，现在完成进行时在不同时间状语的情况下，现在完成进行时的动作不一定已经完成，很可能持续下去，的动作不一定已经完成，很可能持续下去，而现在完成时一般表示动作已经完成而现在完成时一般表示动作已经完成。即。即现现在完成进行时在完成

9、进行时强调强调动作的延续性动作的延续性，而，而现在完现在完成时成时强调强调动作的结果动作的结果。Ive been designing solar racing cars.我一直在设计太阳能赛车。我一直在设计太阳能赛车。Ive designed five or six different cars.我已经设计五六辆小汽车了。我已经设计五六辆小汽车了。2.现在完成进行时现在完成进行时与所有进行时态一样带与所有进行时态一样带有感有感情色彩，可使表达显得生动情色彩，可使表达显得生动，而，而现在完成时现在完成时往往往往只表明一个事实、一种影响或结果只表明一个事实、一种影响或结果，不，不带感情色彩。带感情

10、色彩。Recently Mary has been doing sports regularly 最近玛丽一直定期做运动。最近玛丽一直定期做运动。(有表扬意味有表扬意味)Recently Mary has done her sports regularly.最近玛丽定期做运动。最近玛丽定期做运动。(只说明一个事实只说明一个事实)More and more scholars _ in Silk Road in recent years.scholars,show interest in,Silk Road,in recent yearshave been showing interestFill

11、 in the blanks.“APEC Blue”_ since Nov.11,2014 to hope to make it a“new normal”in heavily polluted cities.APEC Blue,use,since Nov.11,2014has been being usedI _ Pita Bread Soaked in Lamb Soup before.I,never,eat,beforePita Bread Soaked in Lamb Soup(羊肉泡馍羊肉泡馍)have never eaten1.I _(reflect)on the article

12、I read about ancient medicine all day.2.I _(wait)for two hours to see the doctor but it is still not my turn yet.3.My mother _(write)a report on the new treatment all morning.She hopes to finish it tonight.4.The company _(make)herbal medicines for more than 100 years.5.Scientists _(do)research on th

13、e disease since it was first discovered in the early 20th century.Complete the sentences with the correct forms of the verbs in the brackets.Check your answers!P35 B1have been reflectinghave been waitinghas been writinghas been makinghave been doingBelow is an article about robotic limbs.Circle the

14、correct expressions to complete it.P35 B2Check your answers!A student is interviewing David Jones about the research his team has been doing.In pairs,role-play the interview using the present perfect continuous tense.The beginning has been given.Student:What have you been doing,Dr Jones?David Jones:

15、We have been developing 1.-You are a great swimmer.-Thanks.Its because I _ a lot these days.（2020天津卷天津卷)A.have been practising B.was practisingC.would practise D.had practised2.A retired engineer,76-year-old Wilson _(offer)free rides to college students for the past eight years.(2019北京卷北京卷)3.Languag

16、es _(come and go)for thousands of years,but in recent times there has been less coming and a lot more going.(2018全国卷全国卷I)直击高考直击高考has been offering has been coming and going 1.现在完成进行时现在完成进行时表示表示动作从过去某一时间开始一动作从过去某一时间开始一直持续到现在直持续到现在，这个动作可能，这个动作可能刚终止刚终止，也可能，也可能还还在进行在进行。构成形式为主语。构成形式为主语+has/have been doin

17、g+其他。其他。2.用于现在完成进行时的时间状语用于现在完成进行时的时间状语:all the time,this week,all night,these few days,for.,since.等。等。现在完成进行时的现在完成进行时的动作往往与现在的状态有联动作往往与现在的状态有联系系。3.现在完成时和现在完成进行时的区别现在完成时和现在完成进行时的区别：现在完成进行时现在完成进行时强调强调动作的延续性动作的延续性，而，而现在完成现在完成时时强调强调动作的结果动作的结果。现在完成进行时现在完成进行时带带有感情色彩，有感情色彩，而而现在完成时现在完成时不不带带感情色彩感情色彩。Individu

18、al activity注注:另附另附 word word 文档。文档。点击此处链接点击此处链接I.用括号内单词的适当形式填空。用括号内单词的适当形式填空。1.In recent years,private cars _(grow)in large numbers,crowding bicycles off the streets in some of the biggest cities.2.You _(study)in Peking University for nearly a month,during which you must have achieved a lot.3.The yo

19、ung couple _(look)for a house,but havent yet found one they can afford.4.In order to perform well in the art festival,my daughter _(practise)this dance every afternoon in the past two weeks.5.Up to now,Jane _(read)three books written in Chinese.have been growing have been studyinghave been lookingha

20、s been practising has read1.-You are wet all over,Peter.What has happened?-Nothing.I _(play)basketball with my friends the whole afternoon.2.-Please be quick.I _(wait)for you for nearly an hour!-Sorry,I have been stuck in the traffic jam.3.-Anna,you look so tired!-You know,all morning I _(move)my th

21、ings to my new office on the fifth floor.II.用括号内单词的适当形式完成对话。用括号内单词的适当形式完成对话。have been playinghave been waitinghave been moving4.-What about your sister?I havent seen her for three years.-She _(teach)in a high school since she graduated from college.5.-Your English is so good.How long have you learnt it?-I _(learn)English since three years ago.has been teachinghave been learning/have learntCan you understand the usages of the present perfect continuous tense?各个击破Finish the exercises of the Grammar part in Learning English.