人教版高中英语选修八课件：Unit 5 Learning about language(共32张PPT).ppt

1、Unit 5 Meeting your ancestors1 Complete the passage using the correct form of the words and phrase.Discovering useful words and expressionsalternative sharpen identify regardless of aware excavation assume ample primitive due Davidson Black was a Canadian doctor who organized the _ that led to the d

2、iscovery of the bones in the Zhoukoudiancaves near Beijing.He was a specialist in the study of bones and it was his ambition to find and _ bones of early humans.His university was _ of the significance of his work.excavationidentifyawareAt first they gave him _ time to do this research,but later the

3、y realized he was prepared to pursue it _ his students needs and his teaching career,so they forbade him to travel there any more.It was his assistant,Pei Wenzhong,who made the discovery of these _ bones and _ stone tools.ampleregardless ofprimitivesharpenedSomehow he cycled thirty miles to Dr Black

4、 because there was no _ means of transport.Dr Black _ this discovery would change the way academics thought about early people in China.He knew that his success was almost entirely _ to his assistants systematic hard work.duealternativeassumedon behalf of in spite of regardless ofahead of because of

5、 instead of 2 Complete these sentences using the correct form of the phrases below.1.Nobody has the right to spit in the street _ their social position or age.regardless of2._ the songs popularity,the band deleted it from their new album as they failed to find one who could sing it well enough.3.Sop

6、hie got a bad scratch from her cat _ her carelessness while playing with it.In spite ofbecause of4.Sam made a tentative guess that six months of his flying course lay _ him.5.The vice president gave a welcome speech _ the Academy of Arts at the exhibition.6.The guest waited patiently at the receptio

7、nists desk _ interrupting the meeting.instead ofahead ofon behalf ofstarvationanalysisacute3 Complete these sentences with words or phrases from the text.Make sure to use the correct form.1.Since the famine broke out,the number of people dying of _ has been increasing.2.The doctors _ stated that she

8、 has suffered from _ anxiety for a long time.3.This is really a _ bookshelf and I think you should organize it well and put the books in _.4.Do you know the best way to stop crying when _ onions?5.I will pay just 120 yuan for the quilt _ because I only have that much in my wallet.6.This table mat is

9、 ten square _,and you can get a dozen for only one dollar.at mostcentimetresmessycategoriescutting up现在完成进行时现在完成进行时表示动作从过去某一时间一直延续到现在或离现在不远的时间。其动作是否延续下去,则由上下文而定。现在完成进行时多用持续性动词如live,learn,lie,stay,wait,stand,rest,study等,常和all the time,this week,this month,all night,all the morning,recently等状语以及since和

10、for引导的时间状语或从句连用。My younger brother has been accessing the net.The baby has been sleeping for 1 hour.They have been playing basketball all the day.The boy has been reading a book for almost 4 hours.He has been talking with his friend.The telephone has been ringing for almost a minute.The sound has co

11、ntinued about one minute.The telephone is ringing.The young boy has been watching TV.The two robots have been dancing and singing since they have been made.I dont know why the pig has been running.They has been playing games in the school.Play gamesOh,you have come at last!I have been waiting for yo

12、u for two long hours.(我等了你足足两个小时)Im sorry!You have been crying.(你一直在哭)You are here!I have been looking foryou long.(我找了你老半天)现在完成进行时1.构成形式:hashave been doing2.用法1)叙述某一动作从过去开始一直继续到现在仍在继续之中或刚刚停止。经常与for,since,all morning/day/week用在一起。You have been studying for four straight hours.Why dont you take a bre

13、ak?The telephone has been ringing for almost a minute.Why doesnt someone answer it?2)叙述“最近”一直从事的工作或活动。lately,recentlyWhats the matter?Your eyes are red and puffy.Have you been crying?你是不是一直在哭?3)表示重复动作。有时现在完成进行时所表示的动作并不是在一直不停地进行,而是在断断续续地重复。I have been knocking.I dont think anybodys in.我一直在敲门,我想没人在里面。

14、Youve been saying you can succeed for five years.5年来你一直在说你能成功。I have been writing letters since breakfast.我从早餐起就一直在写信。4)表示“刚才、近来”发生的动作,一般不再继续。此时一般通过上下文的语境进行判断。My hands are dirty.Ive been painting the door.我的手很脏,我一直在漆门。What have you been eating to get as fat as this?你都吃什么啦,怎么这么胖？5)叙述从过去某时开始一直继续到现在,但不

15、再继续下去的事情。带有浓厚的感情色彩,强调持续了“那么久”或做得“那么辛苦”。I have been wanting to meet you for a long time.和你见面是我盼望已久的事了。Too much has been happening today.今天真是一个多事的日子。Oh,you have come at last!I have been waiting for you for two long hours.我等了你足足两个小时。You are here!I have been looking for you long.我找了你老半天。现在完成进行时与现在完成时的区别

16、现在完成时表示结果,其动作发生在过去，但对现在有影响;而且现在完成时也可表示动作的持续。而现在完成时表示比较长久的动作和状态,而现在完成进行时表示较短暂的动作和状态,而且强调持续性或未暂停性。He hasnt worked for years.他多年来一直没有工作。I havent been working very well recently.我最近工作不太顺利。They have built several bridges so far.到目前为止,他们已建了好几座桥。They have been building bridges so far.到目前为止,他们一直在建桥。HomeworkReview the usage of present perfect continuous tense.