Unit 3 Fit for life 03 Grammar ppt课件-（2020）新牛津译林版高中英语高二选择性必修第二册.pptx

1、P r e s e n t p e r f e c t c o n t i n u o u s t e n s eB5U3 GrammarRead the passage in Part A on Page 34, and pick out the with the structure “have/has + done+ ”.Explore the rules1.Scientists have been making great progress in robotic technology in recent years.2.Over the past three months I have

2、been testing out the limits of what I can do with my new hand，and it constantly surprises me.3.I have rediscovered hobbies I had enjoyed before my accident. 4.For example，I have been cooking for my family again since I got my new hand.5.Not only can I do more，but I have also become more confident an

3、d outgoing.以上句子中句以上句子中句1、2、4都是都是 _；句；句3和句和句5都是都是_。现在完成进行时现在完成进行时现在完成时现在完成时Explore the rulesWe use the present perfect continuous tense to talk about an action that started in the past and is still continuing now, or an action that has just finished but is still connected with (1) _ in some way.The v

4、erb form of the present perfect continuous tense is “(2) _”.has/have been doinghas/have been doingthe presentthe presentExplore the rules1. Im sure you will do better on the test because you _ (study) so hard this year.2. Tina ought to stop reading; she has a headache because she _ (read) too long.3

5、. Now that she is out of a job, Lucy _(consider) going back to school, but she hasnt decided yet.4. Cathy is taking notes of the grammatical rules in class, where she _(learn) English for one year.5. I _(hope) for a rise for the last four years, but the boss refuses to give me one.have been studying

6、have been studyinghas been readinghas been readinghas been has been consideringconsideringhas been has been learninglearninghave been hopinghave been hopingSummarize the rules1.延续：表示开始于过去的活动持续到现在，并且活动往往延续：表示开始于过去的活动持续到现在，并且活动往往还没有结还没有结束束，将继续持续下去。，将继续持续下去。The Chinese have been making paper for two th

7、ousand years.该动作可能刚停止该动作可能刚停止I have been working on the computer for hours.2. 到目前为止的一段时间内重复发生的活动。到目前为止的一段时间内重复发生的活动。I have always been thinking of her but I cant see her.Summarize the rules3.感情色彩：和进行时一样，现在完成进行时可以带有说话人的感情感情色彩：和进行时一样，现在完成进行时可以带有说话人的感情色彩色彩(如赞扬、厌恶、抱怨等如赞扬、厌恶、抱怨等)。 Whos been eating my app

8、les？Why didnt he tell me?You have been giving me everything. 4.表示一个过去动作对现在的影响或造成的结果。表示一个过去动作对现在的影响或造成的结果。The girls eyes are red. She has been crying. Tips of the rules1.现在完成进行时常和以下时间状语连用：现在完成进行时常和以下时间状语连用：“for时间段时间段”，always，since，these days/years，recently，all the time，How long.等。等。I have been attend

9、ing a tutorial center for three months.They have been working in the garden all afternoon.2.有些动词不能用于现在完成进行时有些动词不能用于现在完成进行时(1)表示状态的动词表示状态的动词be，have，exist，belong，own等；等；(2)表示感情的动词表示感情的动词like，love，hate，detest等；等；(3)表示感觉的动词表示感觉的动词see，hear，feel，sound等；等；(4)其他动词其他动词believe，doubt，want，wish，agree，include，or

10、der，know等。等。Tips of the rules1.现在完成进行时更强调动作的延续性，它是现在完成时的强调形式。现在完成进行时更强调动作的延续性，它是现在完成时的强调形式。试比较：试比较：Weve been living here for ten years.Weve lived here for ten years.2.在在不用时间状语不用时间状语的情况下，现在完成进行时表示动作仍在进行。而的情况下，现在完成进行时表示动作仍在进行。而现在完成时则表示动作在过去已结束。现在完成时则表示动作在过去已结束。The students have been preparing for the

11、exam.The students have prepared for the exam.Tips of the rules3.有些表示状态、感情、感觉的动词如：有些表示状态、感情、感觉的动词如：have，exist，like，hate，hear，know，sound等动词不能用于现在完成进行时，但可用于现在等动词不能用于现在完成进行时，但可用于现在完成时。完成时。Theyve known each other since 1970.4.现在完成时通常只陈述事实，而现在完成进行时还可表示一种现在完成时通常只陈述事实，而现在完成进行时还可表示一种感情感情色彩色彩：I have waited fo

12、r two hours.(陈述事实陈述事实)I have been waiting for two hours.(等得好辛苦等得好辛苦)Practicing the rules1. I _ (look) for a job for three months.2. Here he is! We _ (wait) anxiously for him since last night.3. Im sure Andrew will win the first prize in the final. I think so. He _ for it for months. A. is preparing

13、B. was preparing C. had been preparing D. has been preparing 4. By the time he realizes he _ into a trap, itll be too late for him to do anything about it. A. walks B. walked C. has walked D. had walked have been lookinghave been lookinghave been waitinghave been waitingPracticing the rules5. So far

14、 this year we _ a fall in house prices by between 5 and 10 percent. A. saw B. see C. had seen D. have seen 6. Cathy is taking notes of the grammatical rules in class at Sunshine School, where she _ English for a year.A. studies B. studiedC. is studying D. has been studying 7. Danny _ hard for long to realize his dream and now he is popular. A. works B. is working C. has worked D. had worked E N D .THE