(
课件网) Deng Wenxuan started waiting for Deng Zhongzheng thirty minutes ago. He is still waiting now. 时 行 进 Present perfect continuous tense 在 完 成 现 现 在 完 成进行时 IV I CONTENS 定义与构成 DEFINITION & FORMS USAGES 现在完成时的用法 II 与现在完成时的区别 COMPARISON III 巩固练习 CONSOLIDATION 总结 SUMMARY I Ⅴ Ⅵ 课后作业 HOMEWORK 定义与构成 DEFINITION & FORMS ONE 定义与构成 ONE I have been waiting for you for half an hour. 定义与构成 ONE 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。 past future now do do 现在完成进行时 定义与构成 ONE 现在完成 have/ has done 进行 be doing 现在完成进行时 have/ has been doing 有无被动语态 定义与构成 ONE 肯 定 式 否 定 式 一般疑问式 特殊疑问式 主语+have/ has been doing 主语+have/ has not been doing Have/ Has + 主语 +been doing 特殊疑问词 + have/ has + 主语 +been doing 定义与构成 ONE I have been learning English since I was 8 years old and I still love it. I have not been sleeping well since I returned home. Have you been doing your homework all the day How long has it been raining 现在完成进行时的用法 USAGES TWO 现在完成时的用法 TWO Usage 1 表示动作从过去某时开始，一直持续到现在，并且有可能会持续到将来。 I have been waiting for Deng Zhongzheng for half an hour, but he hasn't turned up. Xia Ting has been studying hard since the new term began. Tom has been playing the online games for more than twenty hours. 现在完成时的用法 TWO —Sorry, I am late. —Where have you been I have been waiting for you for half an hour. Her eyes are red. It's obvious that she has been crying for a long time. My clothes are all wet. I have been working in the rain. Usage 2 表示说话之前刚刚结束的动作，并且动作不再继续,有时会指出结果。 根据上下文来判断 现在完成时的用法 TWO It has been raining these days. We have been making the same mistakes. She has been phoning Jim every night for the past two weeks. Usage 3 表示动作从过去到现在这一段时间内重复发生。并不是一直不停地进行，而是在断断续续地重复。 现在完成时的用法 TWO Tom has always been working hard. What have you been doing to my dictionary You have been making progress and I am proud of you! Usage 4 表示某种强烈的感彩， 如：赞赏、批评、愤怒等。 现在完成时的用法 TWO 标志词 常与延续性动词连用，并常与all the time, this week, this month, all night, all morning, recently, these few days等状语以及since或for引导的时间状语（从句）连用。 Complete the sentences with the correct forms of the verbs in the brackets. B1 1. I _____ (reflect) on the article I read about ancient medicine all day. have been reflecting 2. I _____ (wait) for two hours to see the doctor but it is still not my turn yet. have been waiting 现在完成时的用法 TWO 3. My mother _____ (write) a report on the new treatment all morning. She hopes to finish it tonight. 4. The company _____ (make) herbal medicines for more than 100 years. 5. Scientists _____ (do) research on the disease since it was first discovered in the ea ... ...
