【牛津译林版】八年级下册：Unit 1 Past and Present Grammar课件

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1、Unit 1 Past and present Grammar,Free talk,What do you know about Mr Chen and Sunshine Town?,Mr Chen has lived in Sunshine Town since he was born.Mr Chen has moved to a new neighbourhood.He and his wife have lived in this area since 1965.The town has changed a lot over the years.The government has tu

2、rned part of the town centre into a new park.,Present Perfect Tense,现在完成时,Structure of the present perfect tense,have/has,+ done,sb +,Using the Present Perfect Tense,I have lived here since I was born.,(This is the present perfect tense. In this example, you can see when I was born, l lived here and

3、 I still live here when the words were said.),I lived here two years ago.,(This is the simple past tense. In this example, I lived here two years ago. Something has changed in the past two years and I dont live here now.),1. We use the present perfect tense to talk about an action that started in th

4、e past and continues to the present.,Eddie has just eaten Hobos food.,2. We use the present perfect tense to talk about an action that happened in the past and has a connection with the present.,(This is the present perfect tense. In this example,Eddie ate the food, and now Hobo has nothing to eat.)

5、,I have already visited Mr Chens neighbourhood several times.,3. We also use the Present perfect tense to talk about how manytimes an action has happened till now.,Match the reasons for using the present perfect tense on the right with the sentences.,started in the past and continues to the present,

6、happened in the past and has a connection with the present.,talk about how many times an action has happened till now,The Present Perfect Tense - How to form,Work out the rule!,We use “have + done” with pronouns like _, _, _ and _. We use “has + done” with pronouns like _, _ and _.,I,they,you,we,he,

7、she,it,Work out the rule!, Present perfect tenseNegative sentences,havent/have not hasnt/has not,+ done,sb +,Work out the rule!, Present perfect tenseYes/No questions,Have/Has,+ done . ?,+ sb,Work out the rule!, Present perfect tense Wh- questions,have/has,+ done . ?,+ sb,Wh-words +,Attention,alread

8、y 肯 yet 否，疑 ever 疑, 肯 never 否 since for just recently so far up to now,Look at the two pictures of my hometown. Nowadays, my hometown _ already _(turn) into a modern city. The government _ (turn) part of the town centre into a park recently.,already, recently,now,past,present,has turned,has turned,n

9、ever, ever,You _ never _(visit) my hometown. If you come, you will find it is the most beautiful town that you _ever _(see).,have visited,have seen,Millie and Mr Chen _ (talk) about Sunshine Town since an hour ago.,since, for,Millie and Mr Chen _ (talk) about Sunshine Town for an hour.,have talked,h

10、ave talked,since 2 years ago,since 1998,since she came to the school,for + 一段时间,Since + 时间点,Where is the food? I _ just _ (eat) it.,I _ (not eat) yet. How can you do that?,just, yet,have eaten,have not eaten,A: Have you recently? B: Yes, I have. / No, I havent.,brushed/washed ,played/had ,planted/cl

11、imbed ,Pair work,A: Has yet? B: Yes, she has. / No, she hasnt.,read/finished ,been/visited ,played/swum ,Pair work,The past participles of verbs,D. study carry ,work look clean play ,B. live hope ,C. stop plan ,worked,looked,cleaned,played,lived,hoped,stopped,planned,studied,carried,Competition,The

12、past participles of regular verbs (规则动词的过去分词),Work out the rule!,不规则动词过去分词的构成参见P122,ABB,AAA,ABC,Difference,Lets try!,In the past, people _ washed/have washed their clothes by hand. With the invention of the washing machine, people_ had/have had more time to relax.,2. In the old days, people _ travel

13、led/ have travelled by ship. Now planes _ made/ have made journeys more comfortable.,Underline correct verbs,Part C (p14),Millie: (1) _ you _ (see) any films recently, Sandy? Sandy: No, I havent. What about you? Millie: I (2) _ (see) one last Saturday. Sandy: Whats it about? Millie: Its about the ch

14、anges in Beijing over the past century.From the film, I (3) _ (learn) more aboutBeijings past and present. Sandy: Oh, I think I (4) _ (hear) about the film. Do you plan to see it again . Millie: Yes, Id like to.,Have seen,saw,have learnt,have heard,Pair work,What have/has . done today?,Changes in Ti

15、anjin Use at least five sentences in the present perfect tense.,Writing,Tianjin has turned into a modern city. However, over 20 years ago, people lived in the old areas with old houses and narrow streets. They usually travelled around the city by bicycle or on foot, and there was much pollution. Gre

16、at changes have taken place here since 1978. People have built many wide roads and tall buildings. They have planted trees along the roads as well. Most people have moved into new flats and (have) lived comfortably. Now, people can travel by bus, taxi, train, plane and underground. The government has taken action to make all these happen. Peoples living conditions have improved a lot. People enjoy living in Tianjin because life here has become more colourful.,HomeworkReview the present perfect tense. Remember the past participles of the irregular verbs on P13.,