(
课件网) Unit 4 Adversity and courage Lesson 3 Discover useful structures --The present perfect continuous tense Objectives Learn the basic structure,functions and uses of the present perfect continuous tense Distinguish the present perfect continuous tense from the present perfect tense 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,... The boy _____ (eat) since five minutes ago. has been eating The boy started eating five minutes ago. He is still eating now. The man _____ (work) in the field for half an hour. has been working The man started working in the field half an hour ago. He is still working now. 我从八岁起就开始学英语了，现在仍然很爱它。 I _____ English since I was 8 years old and I still love it. have been learning You _____ and I am proud of you! 你一直在进步，我真为你感到骄傲。 have been making progress The little boy _____ to be attentive, but can’t help falling asleep. has been struggling 小朋友一直努力在集中注意力，但还是情不自禁睡着了。 这些天一直在下雨。 has been raining It _____ these days. 4. You have been making progress and I am proud of you! 5. The little boy has been struggling to be attentive, but can’t help falling asleep. 6. It has been raining these days. 1.The boy has been eating since five minutes ago. 2.The man has been working in the field for half an hour. 3. I have been learning English since I was 8 years old and I still love it. S(主语)+has/have been doing 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。 定义 4. You have been making progress and I am proud of you! 5. The little boy has been struggling to be attentive, but can’t help falling asleep. 6. It has been raining these days. 1.The boy has been eating since five minutes ago. 2.The man has been working in the field for half an hour. 3. I have been learning English since I was 8 years old and I still love it. learn 8 years ago future now learn learn He has been learning English since he was 8 years old and he still loves 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1 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 envy me when I tell them I am admitted to the university I have been dreaming of. 1. A: I am sorry I have kept you waiting so long. B: 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。 现在完成进行时 ... ...
