青少版新概念3A-unit-4-A-museum-piece(共58张)课件.ppt--（课件中不含音视频）

1、现在完成时现在完成时区别：区别：have been to 和和have gone to have been to 去了，已经回来去了，已经回来have gone to 去了，还没有回来去了，还没有回来He has _ Holland and came back.He _ Holland _.(time)been towent tolast weekHe has _ Mexico and is still there.He _ Mexico _.(time)gone towent tolast monthHe has _ Norway and came back.He _ Norway _.(t

2、ime)been towent tolast yearHe has _ Brazil and is still there.He _ Brazil _.(time)gone towent tolast summerHe has _ India and is still there.He _ India _.(time)gone towent toa fortnight agoHe has _ Australia and came back.He _ Australia _.(time)been towent tosix months agoHe has _ Thailand and is st

3、ill there.He _ Thailand _.(time)gone towent toin 1999He has _ China and came back.He _ China _.(time)been towent toin 2003祖国玩的开心市场农夫水壶准时地担心短信Word reviewhave a good timeon timestillkettleboardhome countrytextfarmerWord reviewboardon timetextlike crazyhave a good timemarketstillkettlefarmerLets review

4、 and do the dictationworryexcitinghome countryPhrases:How exciting!What a worry for you!be with Paul phone off a moment agoput the kettle on have a nice cup of tea Were going to put the kettle on.Were not going to worry,are we?Ill miss her like crazy.Weve already had a long morning.Have you been to

5、the Farmers Market today?Pattern Practice现在完成时现在完成时have been in sp.for+一段时间一段时间 He has been in America for two months.since/for的区别的区别since+时间的点，句子时间的点，句子for+一段时间一段时间For example:since last summer,since I was five,for two weeksWhere is Jack?_How long has he been _?He has been _ for _.He has been _ sin

6、ce _He has gone to the States.in the Statesin the Stateslast Monday.in the Statesa weekWhere is Daisy?_How long has she been _?She has been _ for _.She has been _ since _She has gone to Bangkok.in Bangkokin Bangkokthe end of May.in Bangkokseveral weeksWhere is Polly?_How long has she been _?She has

7、been _ for _.She has been _ since _She has gone to hospital.in hospitalin hospitallast Sunday.in hospitala few daysWhere is Lucy?_How long has she been _?She has been _ for _.She has been _ since _She has gone to the dentists.at the dentistsat the dentistsnine oclock.at the dentistsan hourat the air

8、portat the airportthree oclock.at the airportseveral hoursThey have gone to the airport.Where are William and Karen?_How long has they been _?They has been _ for _.They has been _ since _last weekend.a weekWhere are the children?_How long has they been _?They has been _ for _.They has been _ since _

9、They have gone to the Seaside.at the seasideat the seasideat the seasideHow often has Jack been to the circus?_In fact,_He hasnt been to the circus for many years.he hasnt been to the circus since he was little.How often has Nina been to the seaside?_In fact,_She hasnt been to the seaside for a long

10、 time.she hasnt been to the seaside since she was two.How often has Paul been to the zoo?_In fact,_He hasnt been to the zoo for ages.he hasnt been to the zoo since he was very young.How often has Annie been to the funfair?_In fact,_She hasnt been to the funfair for years.she hasnt been to the funfai

11、r since she was ten.New words and expressions attic n.阁楼阁楼 since n.自从自从以来以来 hard disk n.硬盘硬盘 lawnmower n.割草机割草机 Megabyte n.兆字节兆字节 nothing n.没有东西，没有事情没有东西，没有事情 jet n.喷气式喷气式飞机飞机 circus n.马戏团马戏团 several 几个几个 zoo n.动物园动物园 for ages adv.长时间长时间 funfair n.露天游乐场露天游乐场1.What are Robert and William talking abou

12、t?2.When did it come onto the market?3.Where did Mum find it?4.How long has it been there?5.Does it still work?6.What does the noise sound like?7.What can they do with it?8.How long hasnt it been out of its box?9.Who is a museum piece,too?Questions Questions Lets enjoy the flash!Lets enjoy the flash

13、!Robert:Whats this,Dad?William:Its an Apple 2.Its a very early computer.In fact(事实上),its the first Personal Computer,ever(曾今).It came onto the market（面世）in 1977.Where did you find it?the first 第一第一the second 第二第二the third 第三第三Where 特殊疑特殊疑问词，在哪问词，在哪PC:personal computer 个人电脑个人电脑Robert:Mum found it in

14、a box in the attic(阁楼).William:Oh,then its mine!Its been there for years.In fact,its been there since we moved into this house!find-found 发现发现Mine=my thingIts been=it has been 现在完成时现在完成时 have/has+动词过去分词动词过去分词现在完成时：现在完成时：Have/has+动词过去分词动词过去分词 表示动词发生在过去，持续到现在或对现表示动词发生在过去，持续到现在或对现在产生影响，后接表示延续性的时间状语。在产生

15、影响，后接表示延续性的时间状语。如：如：for+时间段时间段 since+时间点时间点 I have been to America since d 1998.I have got the car for d five years.six month three years Sundayten o clock last weekend a long time1996January for forsincesinceRobert:Does it still（仍然）（仍然）work?William:I dont know Ah,there you are!Can you hear the hard

16、 disk（硬盘）（硬盘）?Can 是情态动词，是情态动词，表示能够，有能力表示能够，有能力做某事。做某事。Can+动词的原形，动词的原形，变一般疑问句时将变一般疑问句时将Can提前至句首。提前至句首。情态动词+动词原形 can,must,may 等都是情态动词，不能独立做谓语，需和实义动词连用。变一般疑问句时将情态动词直接提前至句首。I can open the box.(变一般疑问句)Can you open the box?Robert:Is that noise（噪音）（噪音）the hard disk?It sounds like a lawnmower(割草机割草机)!Willia

17、m:It is noisy（吵闹的，嘈杂的（吵闹的，嘈杂的）!It hasnt been out of its box for twenty years!sound like 听听起来像起来像noise 名词名词噪音噪音noisy 形容词形容词有噪声的有噪声的for+时间段时间段Robert:What can you do with it?William:Good question!Its just a museum piece（古董）（古董）,really.Its only got five Megabytes（兆）（兆）hard disk space(空间空间).Robert:Five M

18、egabytes!Thats nothing!（太微不（太微不足道了）足道了）Its got=it has got(has got 有有)William:I know.It was already a museum piece when I bought it,and that was a long time ago.Maybe（也许）（也许）Im a museum piece now,too!is was 过去式过去式buy bought when I bought it 当我买它的当我买它的时候时候（过去时间，（过去时间，用过去时用过去时)a long time ago 很久以前很久以前（

19、过去时间，（过去时间，用过去时）用过去时）Robert:Whats this,Dad?William:Its_ Apple 2.Its a very_ computer._ _,its the _ _ Computer,_.It came _ the _in 1977.Where did you _ it?anfactearlyIneverfirstPersonalintomarketfindRobert:Mum _it in a box _ the _.William:Oh,then its _!Its_ there _years._ _,its _there _ we _into this

20、 house!minemovedsinceInbeenfactforbeenatticinfoundRobert:Does it _ _?William:I dont know Ah,there you are!_ you hear the _ _?diskhardworkstillCanRobert:Is that _ the _ _?It _ _a _!William:It is _!It hasnt been _of its box _ twenty years!noisydiskforhardoutlawnmowerlikesoundsnoiseRobert:What can you

21、_ _ it?William:Good question!Its just a _ _,really.Its only got five _ _ _ _.Robert:Five _!Thats _!MegabytesnothingmuseumspacepiecediskwithhardMegabytesdoWilliam:I know.It was already a _ _ when I _ it,and that was a long time _.Maybe Im a _ _ now,too!piecepieceboughtmuseumagomuseum Homework 1.抄写单词P28 30；2.抄写句子P26-27；3.口头总结P 32 4.练习册Unit4 B C D