现在完成进行时-完整课件PPT.ppt

1、What is the common structure ?What is the common structure ?1. Solar racers have been coming to Australia for years for the world solar car challenge. have been designing solar racing cars for a long time.3. I have been building a new car with a team from Queensland university. have been buildinghav

2、e been cominghave been designingWhat is the common structure ?What is the common structure ?* *主语主语+have/has been +have/has been +现在分词现在分词* *肯定句：肯定句：主语主语+have/has been+have/has been+动词动词inging形式形式* *否定句：否定句：主语主语+have(has) not been+have(has) not been+动词动词inging形式形式* *疑问句：疑问句：Have(Has) + Have(Has) + 主

3、语主语 + been + + been + 动词动词inging形式形式 The structure of “Present Perfect Continuous”Present Perfect ContinuousPresent Perfect Continuous现在完成进行时现在完成进行时 I have been sitting here for the afternoon. 我在这坐了一个下午了。（肯定） I havent been watering the flowers for a week. 我一个星期没有给花浇水了。 （否定） Have you been writing a n

4、ovel? 你一直在写一本小说吗？（疑问） Present Perfect ContinuousPresent Perfect Continuous现在完成进行时现在完成进行时1.1. 表示从过去某时开始一直延续到说话时还在表示从过去某时开始一直延续到说话时还在进行，或可能还要继续下去的动作。进行，或可能还要继续下去的动作。 。2.2. (1)I have been waiting for a letter (1)I have been waiting for a letter from her. from her. 3.3. (2)It has been raining for three

5、(2)It has been raining for three hours. hours. 4.4. (3)We have been studying here since (3)We have been studying here since 2004. 2004. 我一直在等待她的来信。我一直在等待她的来信。雨已经下了三个小时。雨已经下了三个小时。我们自从我们自从2004年开始一直在这里读书。年开始一直在这里读书。Present Perfect ContinuousPresent Perfect Continuous现在完成进行时现在完成进行时2. 表示从过去某时开始，一直延续到说话时刻

6、，可能刚刚结束的动作。 (1) She has been sweeping the street all day. She is too tired. (2) We have been waiting for you for two hours. We dont want to wait any longer. 她整天都在扫大街。她太累了。我们已经等了你两小时。我们不想再等了。 Match ABCD A: Youre all wet! Have you been cycling in the rain? B: No, Mum, I havent. I have been having a sh

7、ower with my clothes on!“Ive been having a shower with my clothes on!”She is all wet.Dialogue 1 Match ABCD2 A: Look at the time! Have you been watching Euro-sum. I have been doing my science project all night.“Ive been doing my science project all night.”He is tired / sleepy.Dialogue 2 Match ABCD3 A

8、: What have you been doing? You look fed u for hours. The traffic just gets worse and worse!“Ive been sitting in a traffic jam for hours.”She looks fed up.Dialogue 3 Match ABCD4 A: Hi, Carl. You look really fit! B: Yeah. I havent been using the car for the last two months. I have been going everywhe

9、re by bike. Its great. You should try it!“Ive been going everywhere by bike.”He looks really fit.Dialogue 4Exercises: Part 1Exercises: Part 1which sentence, a or b fits each which sentence, a or b fits each situation best ?situation best ? want to find out why someone is late. want to find out why s

10、omeone is late.a)What have you been doing ? a)What have you been doing ? b)What have you done ?b)What have you done ? want to comething. want to comething.a)They have been rey car for a week.a)They have been rey car for a week.b)They have rey carb)They have rey car(合适合适)(合适合适) Exercises: tired. I th

11、e classrooms for 4 hours.A. am cleaning B. was cleaningC. have been cleaningD. had cleaned4. Where have you been? We you everywhere.A. have been looking forB. has looked forC. had looked forD. has been looking for5. It for nearly a week. Will it last long? No, its reported that well have a fine week

12、end.A. have rained B. has been rainingC. rains D. rained 时态对比时态对比 进行时进行时 I am reading the book. I am reading the book. 完成时完成时 I have read the book. I have read the book. 现在完成进行时现在完成进行时 I have been reading the book. I have been reading the book.现在正在现在正在读读已经读过已经读过过去到过去到截至说截至说话为止，话为止，一直在一直在读读现在完成进行时与现在

13、进行时比较：现在完成进行时与现在进行时比较：现在完成进行时强调某一动作从过去一直现在完成进行时强调某一动作从过去一直延续到现在；而现在进行时只指目前正在延续到现在；而现在进行时只指目前正在发生的动作。试比较：发生的动作。试比较：（1 1）Susan has been reading that Susan has been reading that storybook since last night. storybook since last night. 从昨晚开始苏珊就一直在看那本故事书从昨晚开始苏珊就一直在看那本故事书（2 2）Susan is reading a storybook n

14、ow. Susan is reading a storybook now. 苏珊正在看一本故事书。苏珊正在看一本故事书。现在完成进行时和现在完成时比较：现在完成进行时和现在完成时比较：1.1.有些动词有些动词( (如：如：work, study, live, work, study, live, teachteach等等) )用现在完成进行时与现在完成时表用现在完成进行时与现在完成时表达的意思差不多。试比较：达的意思差不多。试比较：（1 1）The teacher has been teaching at The teacher has been teaching at this school

15、 for ten years. this school for ten years. 十年来，那位老师一直在这所学校教书十年来，那位老师一直在这所学校教书（2 2） The teacher has taught at this The teacher has taught at this school for ten years. school for ten years. 那位老师在这所学校已经教了十年书了。那位老师在这所学校已经教了十年书了。现在完成进行时和现在完成时比较：现在完成进行时和现在完成时比较：2. 2. 现在完成时如果不带表示一段时间的状语，现在完成时如果不带表示一段时间的状语

16、，就只能表示动作的完成，而现在完成进行时就只能表示动作的完成，而现在完成进行时则表示动作的延续。试比较：则表示动作的延续。试比较：（1 1）They have built a new lab. They have built a new lab. 他们建造了一幢新的实验室。他们建造了一幢新的实验室。( (表示动作的完表示动作的完成成) )（2 2）They have been building a new lab They have been building a new lab (these years). (these years). 他们他们( (这几年这几年) )一直在建造一幢新的实验

17、室。一直在建造一幢新的实验室。( (无论用时间状语还是不用时间状语，都表示无论用时间状语还是不用时间状语，都表示动作的延续动作的延续) )1. He has been watching the interesting play for two hours. (改为否定句)He watching the interesting play for two hours.2. I have been learning English for two years. (改为一般疑问句并作否定回答) you learning English for two years? No, I .Exercises:

18、Part 1Exercises: Part 1hasnt beenHavebeenhavent3. My brother has been collecting stamusic videos since he was eight years old. (对划线部分提问) has the boy been listening to the music videos?Exercises: Part 1Exercises: Part 1WhatcollectingHowlong Fill in the blanks a) We are so tired. We_(cycle) in the for

19、est all the morning. b)Why was he arrested?_ he_(sell) stolen cars again ?c)c)I dont want him to give us a lift. He _(not drive) for a long time.d)d) The kids are very good today. They _ (play)quietly for two hours.have been cyclingHasbeen selling has not been drivinghave been playing Fill in the bl

20、anks Robin: I think the waiter has forgotten us. We_ (wait) here for half an hour and nobody comes to take our order. Michael: Youre right. He _ (walk) by us at least twenty times. Robin: Look at that coue 5 minutes ago and they are ordering food. have been waitinghas been walkingIII Fill in the bla

21、nks Michael: I think the waiter must know we _ (not order) yet! We _ (sit) here for half an hour staring at him. Robin: I dont know if he notices us. He _ (run) from table to table taking orders and serving food. havent orderedhave been sittinghas been runningIIIWhich one is false?1. Hes been dancin

22、g for 3 hours.2. Ouch! Ive been cutting my finger.3. Im really sorry, but Ive been crashing into the back of your car. 4. Its been raining for 5 days.IVChoose the best answer1. Tom _ in the library every night over the last three months.works B. worked C. has been working D. had been working2. Now t

23、hat she is out of a job, Lucy _ going back to school, but she hasnt decided yet.had considered B. has been considering C. considered D. is going to consider.Choose the best answer3. We _ on this tired. I _ the living room all day.painted B. had painted C. have been painting D. have painted.Make a co

24、nclusionThe structure of “Present Perfect Continuous”*主语+have/has been +现在分词*肯定句：主语+have/has been+动词ing形式*否定句：主语+have(has) not been+动词ing形式*疑问句：Have(Has) + 主语 + been + 动词ing形式 .Meaning and FunctionWe use the the recent past which has consequences in the present.HomeworkThe exercise 8 on page 41:Put the verbs in the Present Perfect Continuous or Present Perfect . .Thank You！