1、Unit 1 The Changing World Topic 3 The world has changed for the better . Section A,Guess,I have a twin sister, We are the same, We open in the morning, We close at night, We are in the face, What are we?,eyes,现在完成时表示过去发生的某一动作对现在造成的影响或结果。 结构是：助动词_/_+动词的_。 标志词： 1)从不_ ； 2)曾经_； 3)刚刚_； 4)已经_； 5)仍然，还_；,ha
2、ve has,过去分词,never,ever,just,already,yet,一. 用给出的词填空。have been to have gone to 1.I Italy three times. 2.Lily is not here now. She the railway station to meet her mother. ever never already yet just 1. you watched the film? 你曾经看过这部电影吗？ 2.He had his meal他刚吃过饭。 3. Mary been to the Great Wall. 玛丽从未去过长城。 4
3、.They started 他们还没有动身。 5. The plane arrived . 飞机已经来了。,have been to,has gone to,Have,ever,has just,has never,havent yet,has already,I have waited for you for two hours. =I have waited for you since two hours ago. =I have waited for you since nine oclock.,I have studied in the school for two years . =
4、 I have studied in the school since two years ago . = I have studied in the school since 2013. =I have studied here since I came to the school .,present,past,2013,2015,for two years,studied in the school,I have studied in the school for two years.,for + 时间段,2013,2015,I have studied in the school sin
5、ce two years ago .,since two years ago,2013,since + 时间段+ago,2015,I have studied in the school since 2013.,since 2013,studied in the school,since +时间点,I have studied here since I came to the school .,since I came to the school,came here,since +从句（从句谓语动词用过去式）,I have studied in the school for two years
6、 . = I have studied in the school since two years ago . = I have studied in the school since 2013. = I have studied here since I came to the school .,for+时间段,since+时间段+ago,since+时间点,since+从句,3 Look carefully and think about the differences between since and for in 1a. Then complete the sentences wit
7、h since or for and listen and check.,1.I have lived in Beijing _ three years. _2011. 2. He has waited for Tom _ two hours ago. _ two hours. 3. We have learned chemistry _ one month. _ the new term began.,for,for,for,since,since,since,n.化学,n.学期,Beijing,in the past,nowadays,New York,What took place in
8、 New York?,三写出下列词组意思,已经在某个地方 习惯于 事实上 街道 去参观，去访问,have/has been in get used to as a matter of fact block come for a visit,As a matter of fact/ In fact, Lucy is good at dancing.,As a matter of fact/ In fact, I am strong.,as a matter of fact = in fact,1b Listen to 1a and tick what was mentioned about Ne
9、w York.,四读P17 的1a 判断对错（T or F） 1. Helen has been in New York for a long time. 2. There are many excellent restaurants in New York. 3. Bob doesnt like New York at all. 4. The streets were dirty in the past, but they arent at present. 5. You can go to plays, concerts and operas only at weekends. 6. Bo
10、b invites Helen to see New York for herself.,五.根据提示，补全句子,1.I _ (过去经常起床）late, but now Ive_ (习惯于起床）early. 2. Can you park in that_? (街区) 3_ _ _ _ _(事实上)，I think Hong Kong is a wonderful place to travel. 4.It is important to learn _ (化学). 5. Are there any exams at the end of _? （学期）,used to get up,gott
11、en used to getting up,block,As a matter of fact,chemistry,term,六.用 for 和since 填空:,1.I have been in Beijing_ three years. 2.I have taught English _ I came here. 3.Whats wrong with you? I havent seen you _last Sunday. 4.Its three weeks _ I left Beijing. 5.We have built many factories _1990. 6.He has h
12、ad a car _two months. 7.She has helped homeless people _a few years.,for,since,since,since,since,for,for,七.单项选择 1、He has _ been to Shanghai , has he ? . already .never .ever . still 2、Zhao Lan _already _in this school for two years . . was; studying . will; study . has; studied . are; studying 3、We
13、_ Xiao Li since she was a little girl . . know . had known . have known . knew 4、Harry Potter is a very nice film .I_ it twice . . will see . have seen . saw .see,5、-Do you know him well ? - Sure .We _ friends since ten years ago . . were . have been . become . made 6、My parents _ Shandong for ten y
14、ears . . have been in . have been to . have gone to . have been 7、_ has Mr White been a member of Greener China since he _to China? How soon, comes B. How often, got C. How long, came D. How far, arrived,八.句型转换 1、The old man _ last year. He for a year. (die) （动词填空） 2、This factory opened twenty years
15、 ago.(同义句转换) This factory for twenty years. 3、Miss Gao left an hour ago. (同义句转换) Miss Gao _ _ _ _ an hour ago.,died,has been dead,has been open,has been away since,4、Her mother has been a Party member for three years .（同义句） Her mother _ the Party three years _ . 5、They moved to France two years ago.
16、 (同义句转换) _ _ two years _ they moved to France. 6、The bus has arrived here. It arrived ten minutes ago. (把两个句子合并成一个句子) _,joined,ago,It is since,The bus has been here for ten minutes.,Thank You!,2 Listen to the passage and fill in the blanks with the correct forms of the given words or phrases .,Broad
17、way is a street in New York . It has been there_ 1811. It _ be dirty. But it _ since the 1920s. The area near Times Square is the home of Broadway theaters . There have been many famous _ along the street for many years . A lot of artists perform plays , concerts and operas there . Every year millio
18、ns of visitors come to enjoy the _ music and dance on Broadway . _ , Broadway stands for the American theatre industry .,since,used to,theaters,wonderful,As a matter of fact,has improved,n.艺术家,n.参观者,n.产业，工业,theater used to improve wonderful as a matter of fact since,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺
19、术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.产业，工业,n.产业，工业,n.参观者,n.参观者,millions of 用法： 在英语中hundred , thousand , million , billion等词，当其前面有数词时，它们不加 “s”使用，其后也不用介词of .直接跟可数名词的复数形式。 如：five million people 五百万人 当表达不确定数字时，在它们后面加上 “s”再加介词of使用。后接可数名词的复数形式，表示 “数百” “数千” “数百万” “数十亿”。如：millions of p
20、eople 数百万人,Lets make a report .,like this : I have been in for /since It is I really like living there. It used to be in the past, and now it is ,Summary:,We learn:,We can:,1. Some words: block, artist, visitor, industry, chemistry,term 2. Some phrases: as a matter of fact , millions of 3. Some sent
21、ences: 1. You will get used to it very soon if you come. 2. As a matter of fact , its a wonderful place to live . 3. You must come for a visit . 4. Then you can see New York yourself .,Use the Present Perfect Tense with for and since . 1.You have been in New York for a long time. 2.The city has impr
22、oved a lot since I came here a few years ago .,Homework,2. Make five sentences , using for and since.,1. Read 1a aloud.,4. Preview Section B.,3. Finish Section A in your workbook.,4 Work in groups and talk about the place you live. Compare todays situation with that of the past. The following dialog
23、s may help you.,A:I have been in for /since B: How do you like living there ? A: It is / Very good. /I really B: Was the local traffic terrible /good/? A: Yes./No, it was / used to be in the past, and now it is B: ,1c Work in pairs and describe New York to your partner based on 1b. You may start lik
24、e this :,A: How much do you know about the traffic in New York ? B: I heard that the traffic there was terrible . Do you have any ideas about the streets there ? A: ,Complete the sentences with since or for. 1. You have been in New York _ a long time. 2. The city has improved a lot _ I came here a few years ago.,for,since,8. His father has been dead _ he was ten years old. 9. Michael has been away from the army _ six years. 10. He has been in Chongqing _2003. 11. My brother has had a car _ two months. 12. Tom has kept a book _ 5:00 a.m.,since,for,since,for,since,
