高中英语北师大版必修三《Unit 9 Grammar》(共20张PPT)

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1、Unit 9 Grammar,A wishful way Ive _all these days. Ive _all these days to try to find a way to stop. Ive _all these days. Ive _all these days to find it hard to get it through. ,been dreaming,been aching,been waiting,been standing,Present Perfect Continuous,have/has + been + doing,Grammar study,have/

2、has + done,be + doing,We_ (discuss) the problem for four hours. Why dont we take a break? It _ (rain) since this morning. And it seems it wont stop until school is over. The boy _ (do) homework all the afternoon. Let him go out to play for a rest. We use Present Perfect Continuous to talk about a _a

3、ctivity that started in the past and _.,Observe and Conclude,have been discussing,has been raining,has been doing,continuous,havent been finished,I _ (get) up at five oclock every morning for the last month because I like the spring morning. My brother _ (see) Miss White every day recently. They are

4、 in love with each other. We use Present Perfect Continuous to talk about a _ activity in the recent past.,Observe and Conclude,have been getting,has been seeing,repeated,I _ (work) all night. Thats why Im so sleepy now. George and Roger look out of breath. They _ (run) for a bus. Toms hands are ver

5、y dirty. He _ (repair) the car. We use Present Perfect Continuous to talk about an activity that has some _ in the present.,Observe and Conclude,have been working,have been running,has been repairing,results,Oral Practice,Work in pairs. Act out dialogues using the cues.,Student A Questions 1. hands

6、dirty / work in the garden 2. eyes red / cry Student B Answers 1. hands dirty / repair bike 2. eyes red / sleep badly in the last days,Student B Questions 3.angry / argue with someone 4.late / wait for the bus Student A Answers 3. angry / wait for Mary for an hour 4. late / try to catch a taxi,Readi

7、ng,1. Why has Logan been designing solar racing car for a long time? How many racing cars has he designed? 2. How long has he been taking part in races? How many races has he taken part in? 3. What has he been doing recently with a team from Queensland University? Have they finished that? 4. Has he

8、been writing a book? How much has he written?,Observe and compare,1. Logan has been designing solar racing cars for a long time because solar cars are clean and safe. He has designed five or six different cars so far. 2. He has been taking part in car races for four years and has taken in six races.

9、 3. He has been building a new car with a team from Queensland University recently. They have done a lot of work on it, but they havent finished yet. 4. He has been writing a book about solar cars, but he has only finished the few chapters.,In what situation do we use Present Perfect or Present Perf

10、ect Continuous?,Conclude:,We use the Present Perfect to talk about a finished activity or achievement and focus on the result of an activity, especially when we give a number or quantity. We use the Present Perfect Continuous to talk about an unfinished activity and focus on the activity itself or t

11、he continuance of the activity.,1. I have _ (read) this book for two months but I have _ (only read) half of it. Its very difficult to read. 2. They _ (talk) about this for month and they still have _ (not find) a solution. 3.The author has _(write) a novel since the beginning of the year. He has _(

12、write)10 chapters.,Practice,been writing,written,been reading,only read,have been talking,not found,4. (1)The workers _ (work) on the bridge for two years. It is said to be completed before the end of this year. (2)The workers have _ (build) a new bridge over the river. The villagers dont have to cr

13、oss the river by boat any more. 5. (1)Tom has _ (do) his homework. He can go out to play basketball now. (2)Tom has _ (do) his homework. He hasnt gone out to play.,Practice,have been working,done,been doing,built,Green Olympic, Green Traffic,Language in Use,Green Olympic, Green Traffic BTV-1 has inv

14、ited the head of Beijing Traffic Bureau and some citizens who concern about the traffic problems in Beijing. Please work in groups of four and make up a dialogue between them, one as the presenter, one as the head of Beijing Traffic Bureau, and the other two as the citizens.,Tips: Organize your dial

15、ogue and take down some notes; Pay attention to the tenses; Make it as real as possible; Introduce your roles at the beginning of the program; Think about the ending;,Assignment,Write a passage about the Green Traffic activities in Beijing according to the given information. Complete Exx.2& 3 on p.82. Complete Ex.3 on p.88,We have been living in Beijing for 8 years. We have lived in Beijing for 8 years. 2. I have been

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