ID: 24850296

Unit 4 Adversity and Courage Discover Useful Structures 课件(共29张PPT)-人教版(2019)选择性必修第三册

日期:2026-02-09 科目:英语 类型:高中课件 查看:86次 大小:20263689B 来源:二一课件通
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Unit,PPT,第三,必修,选择性,2019
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(课件网) Unit 4 Adversity and Courage Discover useful structures Enjoy a song and fill in the blanks. I have been living with a shadow overhead. I _____ with a cloud above my bed. I _____ all my hopes and dreams away. I _____ aside time. I _____ but the stars refuse to shine. I _____ but I just don’t see the signs. have been sleeping have been hiding have been setting have been watching The present perfect continuous tense 现在完成进行时 Observe and discover have been searching 1. This is the adventure that I have been dreaming of. 2. We are now camped on the rice and we have been managing to survive, but spring is coming, and the ice will soon begin to melt. 3. We have been struggling for days, but things on Elephant Island are going from bad to worse. 结构 S(主) + have / has been doing Focus on 基本用法 The Present Perfect Continuous Tense 现在完成进行时 1. 基本概念 2. 用法 3. 现在完成进行时和 现在完成时的区别 现在完成进行时 现在完成进行时表示动作从过去某一时间开始,一直持续到现在,或者刚刚终止,或者可能还要继续进行下去。 基本概念 现在完成进行时的用法 1 learn 8 years ago future now learn learn I have been learning English since I was 8 years old and I still love it. 表示动作从过去某时开始一直到说话时还在进行或可能还要继续下去。 现在完成进行时的用法 2 1. -- I am sorry I have kept you waiting so long. -- It is all right. I have been reading the newspapers. 2. We have been waiting for you for half an hour. 3. Her eyes are red. It's obvious that she has been crying for a long time. 2.表示不久前刚刚结束的动作。这种意义通常根据上下文来判断。 与现在完成进行时连用的时间状语: all day/month; this month/week/year; these days; recently/lately; in the past/last few+时间段; since+时间点; for+时间段, ever since等。 He has been working all day. They have been building the bridge for two months. The two parties have been trying to unite since the New Year. e.g.: How everyone will admire me when I tell them I am admitted to the university I have been dreaming of. 现在完成进行时的用法 3 1. It has been raining these days. 2. We have been practicing Kung Fu recently. 3. I have been visiting some cities of China this month. 3.表示在一段持续的时间内动作的多次重复,而这个重复的动作在说话时并不一定在进行。 现在完成进行时的用法4 Why are you late again I have been waiting for you for two hours. 1. You have been making progress and I am proud of you! 4.表示某种强烈的感彩,如:赞赏、批评、愤怒等。 现在完成时和 现在完成进行时的比较 相同点: 1. 动作都发生在过去 2. 都与一段时间连用 比较一: Li Jia _____ (read) a book about psychology. (She finished reading the book.) Li Jia _____ (read) a book about psychology. (She is still reading the book.) has read has been reading past future now read do have read past future now read do have been reading do 现在完成时 现在完成进行时 动作刚结束; 强调影响或结果 动作还在延续; 强调动作的延续性 现在完成时可以表示动作的反复性; 现在完成时一般不表示动作的反复 Have you been meeting him ... ...

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