Unit 3 现在完成进行时公开课（ppt课件） -2022新牛津译林版（2020）《高中英语》选择性必修第二册.pptx

1、 To learn the present perfect continuous tense;To practice the present perfect continuous tense by finishing some exercises.Thinking1.The boy started eating five minutes ago.2.He is still eating now.The boy _(eat)since five minutes ago.The Present Perfect Continuous Tense 现在完成进行时 1.定义 2.构成3.基本用法现在完成

2、进行时定义现在完成进行时表示动作从过去过去某一时间开始，一直持续到现在现在，或者刚刚终止，或者可能还要继续继续进行进行下去。pastfuturenowdo do现在完成进行时现在完成进行时 do1.I have been learning English since I was 8 years old and I still love it.2.It has been raining these days.3.He hasnt been using the car for the last two months.4.Have they been waiting for you for half

3、 an hour?构成肯定句：否定句：一般疑问句：主语has/have been doing+其他主语has/have not been doing+其他Has/Have主语been doing+其他？注意：不用被动语态1.The boy started eating five minutes ago.2.He is still eating now.The boy _(eat)since five minutes ago.has been eating现在完成进行时的用法现在完成进行时的用法 1 11.I have been learning English since I was 8 ye

4、ars old and I still love it.表示动作从过去过去某时开始一直到说话时还在进行一直到说话时还在进行或可可能还要继续下去能还要继续下去。2.I have been writing this novel since last year.e.g.现在完成进行时的用法现在完成进行时的用法 2 2表示不久前刚刚结束刚刚结束的动作。这种意义通常根据上下文来判断。1.Her eyes are red.Its obvious(显然的显然的)that she has been crying for a long time.2.I am sorry I have kept you wait

5、ing so long.It is all right.I have been reading the newspapers.e.g.现在完成进行时的用法现在完成进行时的用法 3 31.We have been practicing Kung Fu recently.2.I have been visiting some cities of China this month.表示在一段持续的时间内动作的多次重复多次重复。e.g.Observe and summarize1.I have been learning English since I was 8 years old.2.Her ey

6、es are red.Its obvious that she has been crying for a long time.3.It has been raining these days.4.We have been practicing Kung Fu recently.5.I have been visiting some cities of China this month.6.He has been working all day.7.The boy has been eating since five minutes ago.与现在完成进行时连用的时间状语时间状语:all da

7、y/month;this month/week/year;these days;recently/lately;since+时间点/从句;for+时间段等。1.-You are a good swimmer.-Thanks.Its because I _ a lot these days.A.have been practising B.practising C.will practise D.had practised 2.-Tony,why are your eyes red?-I _ up onions(洋葱)for the last five minutes.A.am cutting

8、B.was cut C.had cut D.have been cutting 一、选择题二、根据汉语意思，完成下列句子。1.我一直期待着一直期待着去英国旅行，我的梦想将在下个月实现。I _(expect)to travel to the UK,and my dream will come true next month.2.桑迪已经教学16年，她探索出了一些有效的教学方法。Sandy _(teach)for sixteen years,and has explored some effective teaching methods.3.自六月以来，玛丽每天晚上都去上写作课。Mary _(go

9、)to writing classes every night since June.have been expecting has been teaching has been going 三、单句语法填空1.He _(play)basketaball with his friends at 3:00 p.m.yesterday.2.He said that he _(see)you before.3.This question _(discuss)at this moment yesterday.4.He _(mount)the platform and delivered his spe

10、ech.5.I _(write)the book since yesterday.6.By the time he got to the school,the classroom _(clean).was playinghad seenwas being discussedmountedhave been writinghad been cleaned 1.现在完成进行时的定义：2.现在完成进行时的构成:3.现在完成进行时的常用时间状语:表示动作从过去某一时间开始一直持续到现在，这个动作可能刚终止，也可能还在进行。have/has been+doingall day/month;this mo

11、nth/week/year;these days;recently/lately;since+时间点时间点/从句从句;for+时间段时间段等等。1.I have cleaned all the windows.2.I have been cleaning all the windows.Look at the following sentences and think about the differences between them.现在完成时和现在完成进行时的比较 pastfuturenowdo dohave done pastfuturenowdo dohave been doing现

12、在完成时现在完成时 do现在完成进行时现在完成进行时Translate：Ive been designing cars.Ive designed five or six different cars.我一直在设计小汽车。我一直在设计小汽车。我已经设计五六辆小汽车了。我已经设计五六辆小汽车了。比较一：现在完成时常表示过去发生的动作对现在的对现在的影响影响，强调动作已完成已完成；而现在完成进行时强调动作仍然在继续强调动作仍然在继续或可能继续下去可能继续下去。Translate：Have you been meeting him recently?Have you met him recently?

13、你最近你最近经常见到经常见到他吗？他吗？你最近你最近见过见过他吗？他吗？现在完成进行时现在完成进行时往往表示动作在重复往往表示动作在重复，而现而现在完成时在完成时不表示动作的重复不表示动作的重复。比较二：比较三：现在完成进行时现在完成进行时比较生动，有时含有明显的比较生动，有时含有明显的感情色感情色彩彩(喜悦喜悦、愤怒愤怒、不满不满、厌恶厌恶等)，而，而现在完成时现在完成时往往往只说明一个往只说明一个事实事实，一种，一种影响影响或或结果结果。Translate:I have waited for you for two hours.I have been waiting for you for

14、 two hours.我等了你两个小时。我等了你两个小时。我已经等你两个小时了。我已经等你两个小时了。不可用于进行时进行时的动词，如表示状态、情感、属性拥有、感觉、行为结果的动词不能用于现在完现在完成进行时成进行时，但却可以用于现在完成时。比较四：John has loved Mary since ten years ago.I havent seen him these days.比较四：某些不具延续性含义的动词，如come,go,marry,die,finish，leave等，不适用于现在完成进行时，但可用于现在完成时。We have finished the homework.We ha

15、ve been finishing the homework.我们已经完成了家庭作业。我们已经完成了家庭作业。Find the sentences that use the present perfect continuous tense(P34)Working out the rules(P34)the presenthas/have been doing1.withdraw into oneself 脱离（社会），不与人交往 (Line 1)2.lead a normal life 过正常的生活 (Line 2)3.be equipped with 被装备/配置上.(Line 2)4.get dressed 穿衣服 (Line 4)5.be given the chance to do sth.获得做某事的机会 (Line 5)6.make great progress 取得巨大进展/进步 (Line 6)7.be capable of(doing)sth.有能力做某事 (Line 9)8.lifelike adj.逼真的；生动的；栩栩如生的have been reflectinghave been waitinghas been writinghas been makinghave been doing