Unit4 Learning about Language 现在完成进行时（ppt课件）-2023新人教版（2019）《高中英语》选择性必修第三册.pptx

1、 1.现在完成进行时构成：“have/has+been+doing”否定：have/has+not+been+doing Ive 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。现在完成进行时单句语法填空1）I （stay）in front of the computer all the afternoon，which makes my eyes ache.2）He （do）this in order to repay(偿还；报答)the bo

2、ys kindness.3）I （learn）English since three years ago.4）You know，I （look）for a job for three months，and this is my first formal interview.have been stayinghas been doinghave been learninghave been looking2.现在完成进行时的用法1）强调动作的持续性：表示过去发生的动作持续到现在并有可能持续下去的动作How long have you been learning English?Tom has b

3、een playing the online games for more than twenty hours.His brother has been writing this novel since last year.2）表重复：表示到目前为止的一段时间内重复进行的活动The old man has been repairing cars for thirty years.Jack has been practising Tai Chi for more than a year.注意：现在完成进行时表示的动作不是在一直不停地进行，而是从过去持续到现在断断续续重复进行的动作。（3）表达某种

4、感情色彩:表示愿望，感慨，表扬或厌恶等感情色彩。Weve been looking forward to our summer vacation.Too much has been happening today.今天真是一个多事的日子。4）表示根据直接或间接的证据而得出结论His eyes are red.He has been working too hard recently.他的眼睛红了，准是他最近工作太辛苦了。I have got a headache.No wonder.You have been working in front of that computer too long

5、.不足为奇。你在那台电脑前工作太久了。3 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/结果，现在完成进行时强调未完成和动作。Ive been doing my homework.我一直在做家庭作业。（还在做）Ive 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

6、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?（仅是问问）Where have you been?I have been waiting for you in the rain for two hours.（表示不满）（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 read this book many times.I have been reading this book this month.（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

7、 for a long time.这场战争持续了很长时间。（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.房子已经粉刷了一个月了。注意：有些动词在特定的语境下用现在完成时和现在完成进行时意思差别不大。It has rained for two hours.雨已经下了两个小时了。It has been raining for two hours.雨一直下了两个小时了。单句语法填空1）It （rain）every day this month.2）So far this year we （see

8、）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 hasnt decided yet.5）He is the most creative man that I （meet）.6）All these years we （try）to get in touch with him.has been rai

9、ninghave seenhave drunkhas been thinking have methave been trying 完成句子7）We （已经打扫了房屋）.You may come in now.8）Since that unfortunate accident last week，I _ （一直睡得不好）.9）She （一直睡）for 6 hours and still cant wake up.have cleaned the househavent been sleeping well has been sleepingWrite a short report about the things that your partner has been doing recently according to your interview.Remember to use the present perfect continuous tense.