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课件网) Unit 4 adversity and courage Learning about Language Period 3: Discovering useful structures The Present Perfect Continuous tense Learning Objectives Ernest Shackleton Learn the basic structure,functions and uses of the present perfect continuous tense Distinguish the present perfect continuous tense from the present perfect tense Deepen the awareness of how important it is to persevere in face of adversity. Step 1：Observe and learn 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,... 姓名：The Perfect Continous Tense 外貌： have been + doing 魔法：To describe the duration of an action that began in the past and continues into the present; to describe events that have been in progress recently and are rather temporary 小跟班：up to now 身份大揭秘时态家族之完成进行家族 have/has been doing the Present Perfect Continuous Tense 现在完成进行时 have/has + p.p be+doing Step 1：Observe and learn Step 2：Learn the rules 1. 现在完成进行时概述 现在完成进行时表示过去发生的动作或状况一直持续到现在，这个动作可能仍在继续进行或刚刚结束。现在完成进行时由“have/has + been + 现在分词”构成。 肯定句：主语 + have/has + been + 现在分词... 否定句：主语 + have/has + not + been + 现在分词... 疑问句：Have/Has + 主语 + been + 现在分词... 疑问代词/ 疑问副词 + have/has +（主语 +）been + 现在分词... I’ve been trying to find out her telephone number. 我一直在查问她的电话号码。 They have been widening the road. 他们在拓宽这条路。 Step 2：Apply the rules The boy _____ (eat) since five minutes ago. 1.The boy started eating five minutes ago. He is still eating now. has been eating The man _____ (work) in the field for half an hour. has been working 2. The man started working in the field half an hour ago. He is still working now. Step 3： 现在完成进行时的用法1 learn 8 years ago future now 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。 Step 3： 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. How everyone will envy me when I tell them I am admitted to the university I have been dreaming of. Step 1： 现在完成进行时的用法2 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。 Step 3： 现在完成进行时的用法3 1. It has been raining these days. 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。 2. ... ...
