新概念英语青少版3A：Unit 4 A museum piec 课件（38张PPT）

课件38张PPT。Unit 4 A museum piece现在完成时
区别：
have been to 和have gone to
have been to 去了，已经回来
have gone to 去了，还没有回来
Review unit 3Pattern PracticeHe 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 _________.(time)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 still there.
He _________ Thailand _________.(time)gone towent toin 1999He has __________ China and came back.
He _________ China _________.(time)been towent toin 2003Word reviewWord reviewboardon timetextlike crazyhave a good timemarketstillkettlefarmerLet’s review 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 We’re going to put the kettle on. We’re not going to worry, are we?I’ll miss her like crazy.We’ve already had a long morning. Have you been to the Farmers’ Market today?Pattern Practice现在完成时
have been in sp. for +一段时间
He has been in America for two months.
since /for的区别
since +时间的点，句子
for+ 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 __________ since _____________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 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 dentist’s.at the dentist’sat the dentist’snine o’clock.at the dentist’san hourat the airportat the airportthree o’clock.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 _____________They have gone to the Seaside.at the seasideat the seasideat the seasideHow often has Jack been to the circus?
________________________________________________
In fact, __________________________________________He hasn’t been to the circus for many years.he hasn’t been to the circus since he was little.How often has Nina been to the seaside?
________________________________________________
In fact, ________________________________________________She hasn’t been to the seaside for a long time.she hasn’t been to the seaside since she was two.How often has Paul been to the zoo?
________________________________________________
In fact, __________________________________________He hasn’t been to the zoo for ages.he hasn’t been to the zoo since he was very young.How often has Annie been to the funfair?
________________________________________________
In fact, __________________________________________She hasn’t been to the funfair for years.she hasn’t been to the funfair since she was ten.New words and expressionsattic n. 阁楼
since n. 自从…以来
hard disk n. 硬盘
lawnmower n. 割草机
Megabyte n. 兆字节
nothing n. 没有东西，没有事情
jet n. 喷气式飞机
circus n. 马戏团
several 几个
zoo n. 动物园
for ages adv. 长时间
funfair n. 露天游乐场What are Robert and William talking about?
When did it come onto the market?
Where did Mum find it?
How long has it been there?
Does it still work?
What does the noise sound like?
What can they do with it?
How long hasn’t it been out of its box?
Who is a museum piece, too?Questions Robert: What’s this, Dad?William: It’s Apple 2. It’s a very early computer. In fact (事实上), it’s 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
the second 第二
the third 第三Where 特殊疑问词，在哪PC: personal computer 个人电脑Robert: Mum found it in a box in the attic(阁楼). William: Oh, then it’s mine! It’s been there for years. In fact, it’s been there since we moved into this house! find - found 发现Mine = my thingIt’s been = it has been
现在完成时 have/has +动词过去分词现在完成时：Have/has + 动词过去分词
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。
如： for+ 时间段
since+ 时间点
I have been to America since d 1998.
I have got the car for d five years.
six month
three years


Sunday
ten o’ clock
last weekend

a long time1996
January

for forsincesinceRobert: Does it still（仍然） work?William: I don’t know…… Ah, there you are! Can you hear the hard disk（硬盘）?Can 是情态动词，表示能够，有能力做某事。
Can + 动词的原形，变一般疑问句时将Can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） the hard disk? It sounds like a lawnmower (割草机)! William: It is noisy （吵闹的，嘈杂的）! It hasn’t been out of its box for twenty years! sound like 听起来像noise
名词
噪音
noisy
形容词
有噪声的for + 时间段Robert: What can you do with it? William: Good question! It’s just a museum piece （古董）, really. It’s only got five Megabytes’ （兆） hard disk space (空间). Robert: Five Megabytes! That’s nothing! （太微不足道了）It’s got= it has got (has got 有)William: I know. It was already a museum piece when I bought it, and that was a long time ago. Maybe （也许） I’m a museum piece now, too!is – was
过去式
buy – bought when I bought it
当我买它的时候
（过去时间，用过去时)a long time ago
很久以前
（过去时间，用过去时）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