Unit 4 Adversity and Courage Learning about Language 语法课 课件-2023-2024学年高中英语人教版选择性必修第三册

Unit 4 adversity and courage Learning about Language 主讲人：南昌二中 Catherine 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. We have been practicing Kung Fu recently. 3. I have been visiting some cities of China this month. Step 3： 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.表示某种强烈的感情色彩,如：赞赏、批评、愤怒等。 Step 4： 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 They are different in forms and usages. Step 4： 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 Step 4： past future now have read past future now have been reading 现在完成时 现在完成进行时 动作刚结束； 强调对现在的影响或结果 动作还在延续； 强调动作的延续性 Step 4： 现在完成进行时与现在完成时的区别 （ 1）现在完成时强调完成和影响，现在完成进行时强调未完成和 动作。 I’ve been doing my homework. 我一直在做家庭作业。（还在做） I’ve finished my homework. 我已做完家庭作业了。（已完成） （2）现在完成时经常表单个事件，现在完成进行时可表重复事件。 Julia has gone to the library. 朱莉娅去图书馆了。（单个事件） Julia has been going to the library for a year. 朱莉娅在一年间经常去图书馆。（重复事件） （3）现在完成时通常只陈述事实，而现在完成进行时含感情色彩。 What have you done? 你做什么了？（仅是问问） Where have you been? I have been waiting for you in the rain for two hours. 你去哪里了？我在雨中等了你两个小时。（表示不满） Step 4： （ 4）表重复时，现在完成时强调成果，讲次数； 现在完成进行时强调持续，不讲次数。 I have sent thirty e-mails this morning. I have been sending e-mails this morning. （ 5）不用于进行时态的动词通常也不用于现在完成进行时，但它们可以用于现在完成时。 The war has lasted for a long time. （ 6）现在完成进行时不用于被动语态。若要用，可用现在完成时的被动语态代替。 The house has been painted for a month. 单句语法填空 （1）It 　 　　　 　（rain） every day this month. （2）So far this year we 　　　 　 　（see） a fall in house prices by between 5 and 10 percent. （3）I 　　　 　 　（drink） five cups of coffee this afternoon. （4）Now that she is out of work，Lucy 　 　　　 ______ 　 （think） about going back to school，but she hasn’t decided yet. （5）He is the most creative man that I 　　 　　 　 （meet）. （6）All these years we 　　 　　 　（try） to get in touch with him. （7）We 　　　　　　　　 　________　（已经打扫了房屋） （8）Since that unfortunate accident last week， I ___________________　　 　　　　　 　 　　（一直睡得不好）. （9）She 　　　　 　 　（一直睡）for 6 hours and still can’t wake up. has been raining have seen have drunk has been thinking 　 have met have been trying have cleaned the house haven’t been sleeping well has been sleeping Read each situation and rewrite each a sentence using the present perfect continuous tense. 1. The dog started to bark about two hours ago. I really hope it will stop soon. The dog has been barking for about two hours. I really hope it will stop soon. Step 5： 2. Steve started to play rugby at the age of eight. Now he has become a professional player. __________________________________________________ __________________________________________________ Steve has been playing rugby since the age of eight. Now he has become a professional player. 3. Timmy is holding a table tennis bat and his short hair is damp with sweat. He looks a little tired after playing table tennis for two hours. _________________________________________________________________________________________________________________________________________________________ Timmy is holding a table tennis bat and his short hair is damp with sweat. He looks a little tired because he has been playing table tennis for two hours. 4. Diane hasn’t got much sleep this week. She looks terrible today. ________________________________________________________________________________________________________ 5. I tried to phone you this morning. I must have tried a dozen times before I caught you here. ________________________________________________________________________________________________________ Diane hasn’t been sleeping well this week. She looks terrible today. I have been trying to phone you this morning. I must have tried a dozen times before I caught you here. 课堂小练 1. She___________ (lose) her keys. She can’t find them anywhere. 2. I ____________________(write) the book, but I still ______________(finish) it. 3. She __ (recite) the words all the evening. 4. We ___________________(look) forward to our summer vacation. 5. Jason's only recreation is painting. He ________________ (learn) how to paint for over five years. 6.It________________(rain) for a week. How long do you think it will last? has lost have been writing haven’t finished has been reciting have been looking has been learning has been raining Summary Basic structure,and uses of the present perfect continuous tense. S(主语)+has/have been doing 1.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。 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。 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。 4.表示某种强烈的感情色彩,如：赞赏、批评、愤怒等。 Lavf58.20.100 Bilibili VXCode Swarm Transcoder v0.6.29 $$