Unit 3 grammar课件-(2020)新牛津译林版高中英语选择性必修第二册.pptx
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- Unit grammar课件-2020新牛津译林版高中英语选择性必修第二册 grammar 课件 2020 牛津 译林版 高中英语 选择性 必修 第二 下载 _选择性必修第二册_牛津译林版(2020)_英语_高中
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1、现在完成进行时G r a m m a r a n d u s a g e现在完成进行时的含义从过去到现在并且一直在持续进行完美包含两个时态的含义(现在完成 + 进行时)强调动作的连续进行性或者反复重复性,译成“一直;连续”现在完成进行时公式推导现在完成进行时has/have done+ be doinghas/have (be doing) ne has/have been doing现在完成时进行时 After I lost my right hand in a car accident ten years ago, I began to withdraw into myself, beli
2、eving I would never be able to lead a normal life again. I was equipped with an artificial hand, but it did not feel like part of me. Even simple things like getting dressed were unbelievably difficult. Three months ago, however, all that changed when I was given the chance to test a new robotic han
3、d. Scientists have been making great progress in robotic technology in recent years, and their work on robotic limbs has really changed my life. With my new hand, I can move my individual fingers and hold on to small things like pens and pencils. More amazingly, my robotic hand is capable of feeling
4、 varying degrees of pressure, just like a real hand. In addition, it looks very lifelike with special rubber used on the outside. Over the past three months I have been testing out the limits of what I can do with my new hand, and it constantly surprises me. I have rediscovered hobbies I had enjoyed
5、 before my accident. For example, I have been cooking for my family again since I got my new hand. Not only can I do more, but I have also become more confident and outgoing. Im so grateful for all the new possibilities my robotic hand has opened up.现在完成进行时的用法动作从过去开始一直持续到现在还有可能继续,一般用延续性动词,并常和all the
6、 time, this month/week, in recent years等状语以及since和for引导的时间状语连用。 8 years agofuturenowlearnedlearn will learnI (learn) English since I was 8 years old and I still love it.have been learning 现在完成进行时的用法动作从过去开始,持续到刚好说话者讲话结束1. - I am sorry I have kept you waiting so long. - It is all right. I (read) the n
7、ewspapers. 2. We (wait) for you for half an hour. have been readinghave been waiting 现在完成进行时的用法表示动作的反复出现1. It (rain) these days.2. We (practice) Kung Fu recently.has been raining have been practicing 现在完成进行时的用法表示某种强烈的感情色彩,如:赞赏、批评、愤怒等。2. Why are you late again? I (wait) for you for two hours. 1. You
8、(make) progress and I am proud of you!have been making have been waiting 现在完成进行时和现在进行时的主要区别It has been raining since Halloween. It is raining.现在进行时现在进行时强调动作正在进行。现在完成进行时现在完成进行时强调一直在做。现在完成时和现在完成进行时的比较比较一: Li Jia _ (read) a book about Stonehenge. (She finished reading the book.) Li Jia _ (read) a book
9、about Stonehenge. (She is still reading the book.) has read has been reading pastfuturenowread dohave read pastfuturenowread dohave been reading do现在完成时现在完成时现在完成进行时现在完成进行时刚结束刚结束动作仍在继续动作仍在继续比较二: A. _ have you visited Egypt this month? I have visited Egypt twice this month. (过去往返埃及和居住地, 但现在已回来) B. _ h
10、ave you been touring Egypt? I have been touring Egypt for two month. (过去一段时间一直待在埃及, 没有离开过)How many timesHow longTip 2:现在完成时表示现在完成时表示反复发生反复发生的动作,提问时用的动作,提问时用how many times。而现在完成进行时,表示而现在完成进行时,表示持续的、不间断的持续的、不间断的动作,提问时用动作,提问时用how long。比较三:Tip 3:Tip 3:现在完成进行时现在完成进行时比较生动,有时含有明显的比较生动,有时含有明显的感情色彩感情色彩,而,而现在
11、完成时现在完成时往往只说明一个往往只说明一个事实事实,一,一种种影响影响或或结果结果。 试比较:试比较: I have been dreaming to be an astronaut.I have dreamt to be an astronaut.比较四:(state verb & action verb)Tip 4:现在完成时现在完成时可以用表可以用表状态的动词状态的动词(have)和表和表动作的动词动作的动词(take)作谓语。而作谓语。而现在完成进行时现在完成进行时只能用表动作的动词只能用表动作的动词(take)作谓作谓语。语。I have had this camera for f
12、ive years.I have taken photos of UFOs with this camera.I have been having this camera for five years.I have been taking photos of UFOs with this camera.State verb & action verb常用表常用表状态状态、情感情感、感觉感觉的动词的动词: (1)have, exist,know,belong to等等(2)like, love,hate, believe, want, regret, prefer(更喜欢更喜欢)等等(3)see
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