现在完成进行时和现在完成时ppt课件.ppt
Present perfect continuous,It has been raining these days.,I have been learning English since I was 8 years old and I still love it.,You have been making progress and I am proud of you!,The little boy has been struggling to be attentive,but cant help falling asleep.,2.I have been learning English since I was 8 years old and I still love it.,3.You have been making progress and I am proud of you!,4.The little boy has been struggling to be attentive,but cant help falling asleep.,1.It has been raining these days.,conclusion,StructureMeaningUsages,1.自从回家以来我一直睡不好觉。2.这本书他已读了两个小时了，但还没读完。,I _ well since I returned home.,havent been sleeping,He _ this book for two hours,but he hasnt finished it.,has been reading,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，或者可能仍然要继续下去。,Definition,Form:have/has been doing注意：不用被动语态,the Present Perfect Continuous Tense现在完成进行时,构成:have/has+been+doing,2)肯定、否定及疑问形式：,肯定句:I have been working.She has been working.,否定句:I have not been working.He has not been working.,现在完成进行时的构成,疑问句:Have I been working?Has she been working?,现在完成进行时的用法1,learn,learn,learn,I have been learning English since I was 8 years old and I still love it.,Tip 1:过去动作持续到现在，还将持续下去.,现在完成进行时的用法2,1.-I am sorry I have kept you waiting so long.-It is all right.I have been reading the newspapers.2.We have been waiting for you for half an hour.,Tip 2:表示说话之前刚刚结束的动作，并且动作不再继续.,现在完成进行时的用法3,Tip 3:表示动作从过去到现在的时间内重复发生但有可能间断。,1.It has been raining these days.,2.We have been practicing Kung Fu recently.,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.,Tip 4:表示某种强烈的感情色彩,如：赞赏、批评、愤怒等。,1.You have been making progress and I am proud of you!,1.The girl has a great interest in sport and _ badminton classes twice a week over the last three years.A.took B.is taking C.takes D.has been taking,2.In order to find the missing child,villagers _ all they can over the past five hours.A.did B.do C.had done D.have been doing,Practice,现在完成时和现在完成进行时的比较,比较一：,Li Jia _(read)a book about Stonehenge.(She finished reading the book.)Li Jia _(read)a book about Stonehenge.(She is still reading the book.),has read,has been reading,read,read,现在完成时,现在完成进行时,刚结束,动作仍在继续,比较二：,A._ have you visited Egypt this month?I have visited Egypt twice this month.(被问者过去往返埃及和居住地,但现在已回来)B._ have you been touring Egypt?I have been touring Egypt for two month.(被问者过去一段时间一直待在埃及,没有离开过),How many times,How long,Tip 2:现在完成时表示反复发生的动作，提问时用how many times。而现在完成进行时，表示持续的、不间断的动作，提问时用how long。,比较三：,Tip 3:现在完成进行时比较生动，有时含有明显的感情色彩，而现在完成时往往只说明一个事实，一种影响或结果。,试比较：,I have been dreaming to be an astronaut.I have dreamt to be an astronaut.,Tip 4：现在完成时可以用表状态的动词(have)和表动作的动词(take)作谓语。而现在完成进行时只能用表动作的动词(take)作谓语。,I have had this camera for five years.,I have taken photos of UFOs with this camera.,比较四：(state verb&action verb),I have been having this camera for five years.,I have been taking photos of UFOs with this camera.,State verb&action verb,常用表状态、情感、感觉的动词:(1)have,exist，know，belong to等(2)like,love，hate,believe,want,regret,prefer(更喜欢)等(3)see，hear，smell,feel,taste等不能用于现在完成进行时，但可用于现在完成时。,Tip 5：副词never,yet,already,ever等可用于现在完成时，但不可用于现在完成进行时。,I have never visited Paris.,I have never been visiting Paris.,比较五：,He has already gone to Paris.,He has already been going to Paris.,Practice,1.She_(lose)her keys.She cantfind them anywhere2.I _(write)the book,but I still _(finish)it.3.They _ never _(learn)to swim.4.We _(look)forward to our summer vacation.,has lost,have been writing,havent finished,have,learnt,have been looking,5.Although these scientists _ on the project for nearly four years,I dont know how long it will last.A.have been working B.have worked C.were working D.are working,Practice,6.There is so much snow these days,isnt there?Yes,it _ for a few days.A.was snowing B.has been snowing C.had been snowing D.snowed,7.I wonder why Jenny _ us recently.We should have heard from her by now.A.hasnt written B.doesnt write C.wont write D.hadnt written,
