(
课件网) Discover useful structure the present perfect continuous tense 一.现在完成进行时（Present perfect continuous） --概念 1.强调动作的持续性：表示动作从过去的某一时间点开始，一直持续 You have had a class for a few minutes. You are having a class. You have been having a class for a few minutes. Do you know CCTV 9 Yes, it has been broadcasting English programs since 2000. Do you know CCTV 9 Yes, it has been broadcasting English programs since 2000 2000 future now broadcast broadcast 1.强调动作的持续性 2.强调动作的重复性：表示从过去到现在的一段时间内反复进行的动作。 Q:How long have you been learning English A:I have been learning English for ten years. 一.现在完成进行时（Present perfect continuous） --概念 Gosh, is anybody in it I have been knocking at the door for half an hour! Gosh, is anybody in it I have been knocking at the door for half an hour! past future now knock knock knock 2.强调动作的重复性 3.表示动作刚刚结束：该动作一般不再继续，有时表示结果 I have been painting the door, so my hands are very dirty. The girl’s eyes are red, she has been crying. 一.现在完成进行时（Present perfect continuous） --概念 4.表示某种强烈的感彩,如：赞赏、批评、愤怒、失望等 You have been deceiving me! Too much has been happening today. 今天真是一个多事的日子 一.现在完成进行时（Present perfect continuous） --概念 Oh, you have come at last! I have been waiting for you for two hours. Here you are! Sorry. i'm late. Oh, you have come at last! I have been waiting for you for two hours. Here you are! Sorry. i'm late. past future now wait 4.表示强烈的感彩 Look at the sentences from the text and discuss the function of the tense. 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。 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。 P38 ...this is the adventure that I have been dreaming of. P38 We are now camped on the ice and we have been managing to survive. P39 We have been struggling for days, but... 表示某种强烈的感彩,如：赞赏、批评、愤怒、失望等。 Functions of the tense. 二.现在完成进行时（Present perfect continuous） --结构 1.肯定句:主语＋have/has been doing “Human beings_____(fight) one another since the beginning of time.” ———The Cost of War have been fighting 2.否定句:主语＋have/has＋not been doing “Human beings_____(fight) one another since the beginning of time.” ———The Cost of War haven’t been fighting 二.现在完成进行时（Present perfect continuous） --结构 3.疑问句:Have/has＋主语＋ been doing “_____Human beings_____(fight) one another since the beginning of time.” ———The Cost of War been fighting Have have done 现在 完成 三.现在完成时&现在完成进行时--区别 现在 完成 进行 时？ be doing result or activity My hands are very dirty. l've been repairing my bike. My bike is OK again now. l've repaired it. result or activity My hands are very dirty. l've been repairing my bike. My bike is OK again now. l've repaired it. “How many” or “How long” She h ... ...
