现在完成进行时课件.ppt

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1、Grammar现在完成进行时学习内容 1.现在完成进行时含义：现在完成进行时含义：2.结构：结构：1)肯定句肯定句:2)否定句否定句:3)疑问句：疑问句：3.用法：用法：4、连用的时间、连用的时间(判断该时态的标志词判断该时态的标志词)5.现在完成时与现在完成进行时的区别现在完成时与现在完成进行时的区别6.注意问题注意问题 现在完成进行时现在完成进行时一：一：含义：表示从过去某时开始，一直延续到现在的一个动作；该动作有可能继续延续下去。I am reading the book.进行时进行时I have read the book.完成时完成时 I have been reading the

2、book.现在完成进行时现在完成进行时 现在正在读现在正在读已经读过已经读过过去到截过去到截至说话为至说话为止，一直止，一直在读在读二二.结构：结构：1)肯定句肯定句:have/has been+V-ing （从过去到现在）一直在做某事（从过去到现在）一直在做某事I _(sit)here for the afternoon.His brother _(collect)stamps since he was 10.have been sittinghas been collecting2)否定句否定句:have/has not been+V-ing 没有一直在做某事没有一直在做某事我一个星期没有

3、给花浇水了。我一个星期没有给花浇水了。这些年，他都没有一直在这教书。这些年，他都没有一直在这教书。I havent been watering the flowers for a week.He hasnt been teaching here these years.3)疑问句：疑问句：Have/Has+主语主语+been+V-ing?Yes,主主+have/has.No,主主+havent/hasnt.你一直在写一本小说吗？你一直在写一本小说吗？他一直给你写信吗？他一直给你写信吗？Have you been writing a novel?Has he been writing lette

4、rs to you?Im tired because Ive been running.我很累因为我一直跑到现在。我很累因为我一直跑到现在。（强调动作一直进行并持续到现在）（强调动作一直进行并持续到现在）对比：对比：Im tired because Ive run.我累了因为我跑了。（强调动作已完成）我累了因为我跑了。（强调动作已完成）三、三、用法用法：1)现在完成进行时可以表示现在完成进行时可以表示一个从过去某时开一个从过去某时开始始一直在进行并持续一直在进行并持续到现在的动作。到现在的动作。这个动这个动作作刚刚结束，对现在有影响。刚刚结束，对现在有影响。I _for 2 hours.I a

5、m still reading now.I have been reading for 2 hours.pastpresentfuture2.）现在完成进行时可以表示现在完成进行时可以表示一个从过去某一个从过去某时开始时开始一直持续一直持续到现在的动作到现在的动作。这个动作。这个动作现在仍在继续中。现在仍在继续中。have been reading4）表示从过去到现在反复发生的动作表示从过去到现在反复发生的动作You have been saying that for five years.(这话你已经说了有五年了。）这话你已经说了有五年了。）3）和）和进行时一样进行时一样，现在完成进行时也往

6、往带有，现在完成进行时也往往带有感情色彩（如赞扬、厌恶等）。感情色彩（如赞扬、厌恶等）。What have you been doing all the time?(这半天你在干什么？）这半天你在干什么？）四、连用的时间(判断该时态的标志词)for+时间段；时间段；（for two weeks,两个星期两个星期)since+时间时间/点从句点从句 (since last Monday,自从上星期自从上星期一以来；一以来；since I was 7 years old.自从我七岁以来自从我七岁以来)二者可以改写同义句。二者可以改写同义句。for two years=since two years

7、 agoeg：He has been playing for one hour.He has been playing _ _ _ _.since one hour ago 2）现在完成进行时还可以于）现在完成进行时还可以于these few days,this week,all the time，all night,all the morning,all ones life,during the night,recently等连用：等连用：Ive been writing letters all this morning.(我写了一上午的信。）我写了一上午的信。）I have been do

8、ing this all my life.(这个我做了一辈子啦。）这个我做了一辈子啦。）Recently he has been doing his work quite regularly.(近来他都按时做作业。）近来他都按时做作业。）wehave classes for 7 daysWe have been having classes for 7 days.练习：练习：看图，根据提示词，表达句子。看图，根据提示词，表达句子。hecry three hoursHe has been crying for three hours.The womantake a restall dayThe

9、boy The boy hashasntnt been taking a rest been taking a rest all day.all day.itrainthese few daysItIt hahas s been been rainraininging these few days.these few days.现在完成时与现在完成进行时的区别1.现在完成时与现在完成进行时都表示动作从过去开始，但现在完成时表示事件或动作刚结束，而现在完成进行时则强调动作仍在继续I have read a book.I have been reading a book.2.现在完成时可表示反复发

10、生的动作，提问时用how many times。而现在完成进行时则表示持续的、不间断的动作，提问时用how long1)_have you visited Jinan?.I have visited Jinan twice this month.2)_have you visited Jinan?I have been visiting Jinan for two months.How many timesHow long3.现在完成时可以用持续性动词和短暂性动词作谓语，而现在完成进行时则只能用持续性动词。I have done my homework.I have finished my h

11、omework.I have been doing my homework.I have been finishing my homeworkx4.现在完成时的句子中可以用像never、yet、already和ever等作时间状语，而现在完成进行时的句子中则不可以用这样的词I have already been to Beijing.I have never been to Beijing.I havent been to Beijing yet.注意事项：有些动词有些动词(如：如：work,study,live,teach等等)用现在完用现在完成进行时与现在完成时表达的意思差不多。试比较：成

12、进行时与现在完成时表达的意思差不多。试比较：The teacher has been teaching at this school for ten years.十年来，那位老师一直在这所学校教书。十年来，那位老师一直在这所学校教书。The teacher has taught at this school for ten years.那位老师在这所学校已经教了十年书了。那位老师在这所学校已经教了十年书了。（2）一些表示静态的动词往往只能用在现在）一些表示静态的动词往往只能用在现在完成进行时。这样的静态动词主要有完成进行时。这样的静态动词主要有lie,stand,sit,wait,rain等。

13、等。She _in bed for a week.(她已经卧床一周了。）她已经卧床一周了。）I _for you for two week.(我已经等你两个小时了。）我已经等你两个小时了。）has been lyinghave been waiting用所给动词的适当形式填空。1.Jim_(teach)English for 5 years.2.We _(work)here since two years ago.3.He _(play)football since he was 9 years old.4.His brother _(write)this story sincelast ye

14、ar.has been teachinghave been walkinghas been playinghas been writing句型转换。按要求改写下列句子。1.He has been waiting for his mother for an hour.(一般疑问句,并做肯否定回答)2.The boy started to play the guitar two years ago.（用for,since短语改写）_ he _ _for his mother for an hour?Yes,_ _.No,_ _.The boy _ _ _ for_ _.The boy _ _ _

15、since _ _ _.Has been waitinghe has he hasnthas been playingtwo yearshas been playingtwo years ago3.The students have been skating for five hours.（否定句）（否定句）The students _ _ _ for five hours.4.She has been reading books for three hours.（同义句）（同义句）She has been reading _ _ _ _.havent been skatingsince th

16、ree hours ago5.The visitors have been climbing the mountains for seven hours.(划划线提提问)_ _ _ the visitors _ climbing the mountains?How long have been1、吉姆已做完作业，他现在有空了。Jim has finished doing his homework already.He is free now.2.我父亲以前到过长城。My father has been to the Great Wall before.3、她还没有看过那部新电影。She hasnt seen the new film yet.4、她去过上海。She has been to Shanghai.5、他这些天上哪儿去了？Where has he been these days？