新概念英语-第2册-第4课-Lesson-4-课件-PPT优质PPT.ppt

1、Whatcanyouseeinthepicture?Lead inQ:Whathappenedtotheman?Canyouguess?1.How long has Tim been in Australia?Listenandanswerthequestion.New LessonTim has been in Australia for six months.2.What does he do in Australia?He is working for a big firm as an engineer.3.Why is Tim finding the trip exciting?Bec

2、ause Tim has never been abroad before.This is his first trip abroad.New LessonAnexcitingtripI have just received a letter from my brother,Tim.He is in Australia.He has been there for six months.Tim is an engineer.He is working for a big firm and he has already visited a great number of different pla

3、ces in Australia.He has just bought an Australian car and has gone to Alice springs,a small town in the centre of Australia.He will soon visit Darwin.From there,he will fly to Perth.My brother has never been abroad before,so he is finding this trip very exciting.Language points1.I have just received

4、 a letter from my brother.收到某人来信2.He is working for a big firm.get a letter from sb.have a letter from sb.hear from sb.在上班、任职,还可以用work at/ine.g.My father works for a business company.3.he has already visited a great number of different places in Australia.a number of+可数名词的复数，number前一般可用large,great,s

5、mall等形容词强调数量大小。a great many of+可数名词a great amount of+不可数名词Language points4.He has just bought an Australian car and has gone to Alice springs.He has gone to the south.（还在）He has been to the south.（去过）5.He is finding this trip very exciting.find+n+adj.觉得怎么样e.g.I find the film disppointing.Do you find

6、 the book very interesting?Summary writingAnswerthesequestionsinnotmorethan50words.1.What has the writer just received from his brother?2.Is Tim an engineer,or is he a doctor?3.How long has he been in Australia?4.Has he already visited many places or not?5.Where is he now?6.Has Tim ever been abroad

7、before or not?7.Is he enjoying his trip very much or not?Summary writing The writer has just received a letter from his brother,Tim.Tim is an engineer.He has been in Australia for six months.He has already visited many places.Now he is in Alice Springs.Tim has never been abroad before.He is enjoying

8、 his trip very much.现在现在完成完成时态时态Winter has already come.Grammar现在现在完成完成时的构成形式时的构成形式havedonehas助动词助动词过去过去分词分词Grammar用来表示之前已经发生或完成的动作或状态，而其结果却和现用来表示之前已经发生或完成的动作或状态，而其结果却和现在有联系在有联系:动作或状态发生在过去动作或状态发生在过去,但它的但它的影响现在还存在影响现在还存在。Theyhaveleft.-他们已经离开了他们已经离开了,也就是说现在他们人不在这里也就是说现在他们人不在这里Ihavehadmylunch.-我已经吃过午饭了

9、我已经吃过午饭了,也就是说我现在不饿也就是说我现在不饿现在现在完成完成时的含义时的含义也可表示也可表示持续到现在持续到现在的动作或状态。的动作或状态。HehaslearnedEnglishsince2001.-从从2001年开始学的年开始学的,现在还在继续学着呢现在还在继续学着呢nowpastfuture一般过去时一般过去时一般过去时表示的是纯粹在过去发生的事情一般过去时表示的是纯粹在过去发生的事情现在完成时表示的是在过去某个时间开始并持续到现在现在完成时表示的是在过去某个时间开始并持续到现在的动作的动作/状态状态,或者发生在或者发生在过去却对现在造成的影响过去却对现在造成的影响Grammar

10、 现在完成时与一般过去时的比较现在完成时与一般过去时的比较1）一般过去时一般过去时表示过去某时发生的动作或单表示过去某时发生的动作或单纯叙述过去的事情，强调动作纯叙述过去的事情，强调动作；现在完成时现在完成时为过去发生的，强调过去的为过去发生的，强调过去的事情对现在的影响，强调的是影响事情对现在的影响，强调的是影响。Isawthisfilmyesterday.（强调看的动作发生过了。）（强调看的动作发生过了。）Ihaveseenthisfilm.（强调对现在的影响，电影的内容已经知道了。）强调对现在的影响，电影的内容已经知道了。）2一般过去时一般过去时常与具体的表示过去的时间状语连用常与具体的

11、表示过去的时间状语连用;现在完成时现在完成时通常与模糊时间状语连用或无时间状语。通常与模糊时间状语连用或无时间状语。一般过去时的时间状语一般过去时的时间状语:yesterday,lastweek，ago,in1990,inOctober,justnow,-具体的时间状语具体的时间状语现在完成时的时间状语现在完成时的时间状语:for,since,sofar,ever,never,just,yet,till/until,uptonow,inthepastfewyears,recently,-模糊的时间状语模糊的时间状语句子中如有过去时的时间副词（如句子中如有过去时的时间副词（如yesterday,last,week,in1960）时，不能使用现在完成时，要用过去时）时，不能使用现在完成时，要用过去时错错Tomhaswrittenalettertohisparentslastnight.对对Tomwrotealettertohisparentslastnight.Grammar3现在完成时现在完成时可表示持续到现在的动作或状态可表示持续到现在的动作或状态,动词一动词一般是延续性的般是延续性的,如如live,teach,learn,work,study,know.一般过去时一般过去时常用的非持续性动词有常用的非持续性动词有come,go,leave,start,