2021年中考复习现在完成时ppt课件.pptx

1、 现在完成时Have you finished your homework?SectionBB1 Grammar现在完成时现在完成时 I1.构成：构成：have/has done2.用法：用法：(1)过去发生的动作或状态持续到现在过去发生的动作或状态持续到现在(可能还将持续下去可能还将持续下去)的动作。的动作。标志词标志词：lately,recently,since then,up to now,so far(至今),in the last/past few years(在过去的这几年里).since+时间点,for+时间段 如：In the past few years,great chan

2、ges have taken place in my hometown.He has written 8 books so far.(2)一件已经发生的事情对现在造成的影响。一件已经发生的事情对现在造成的影响。标志词标志词：already,just,yet,never,before.如：He has just turned off the light.I have already seen the film.(3)This/It is the first/second time+that 从句。that从句的谓语要用现在完成时。如：This is the first time(that)I h

3、ave come here.(4)在条件、时间、让步状语从句中，表示将来某时间以前已完成的动作。在条件、时间、让步状语从句中，表示将来某时间以前已完成的动作。如：I will not believe you unless I have seen it with my own eyes.(强调看完)I will go with you as soon as I have finished my work.(强调做完)3.现在完成时和一般过去时的区别：现在完成时和一般过去时的区别：现在完成时强调的是影响；一般过去时强调的是动作。现在完成时强调的是影响；一般过去时强调的是动作。如：He has cl

4、eaned the classroom.他打过扫教室了。（教室已经干净了,不用再扫了）He cleaned the classroom.他打扫教室了。（现在干不干净，不知道）I have lost my new book.我把新书丢了。(现在还未找到)I lost my new book yesterday.我昨天把新书丢了。(昨天丢的，现在找到与否没说明)Practice()1.Melting ice(融冰)can cause sea levels to rise.Since 1993,sea levels _ at a speed of 3.2 cm every 10 years.(201

5、9山东临沂)A.roseB.have risenC.rise()2.-Its ten years since we came here.-How time flies!We _ in China for so long.(2019安徽)A.workB.workedC.will work D.have worked()3.-Have you ever been to Shanghai?-Of course.Actually,I _ there for six years but now I live in Taizhou.(2019江苏泰州)A.workedB.was workingC.woul

6、d work D.have worked()4.-Where is Mr.Green?-He _ the bookshop.You have to wait for him.(2019湖南郴州)A.was going toB.has gone toC.has been toBDDB()5.It has been two months since my father _ for Italy.(2020黑龙江龙东)A.was leftB.leftC.leaves()6.Bob,you _ in this city since 2018.How do you like it?(2020 四川成都)A

7、.livedB.liveC.have lived()7.So far,the number of people using 5G mobile phones _ a lot.(2020 湖北孝感)A.is increasingB.are increasingC.has increasedD.have increased8.-Will you go and see the movie Net Mother with me?-Thank you.But I _(see)it already.(2018山东济宁)9.I _(receive)an invitation to the concert.I

8、 cant wait to go.(2018河北)10.我想知道他们是否已经去过那家新的书店。(2020 江苏苏州)_BCChave seenhave receivedI want to know whether they have already been to the new bookstore.()5.It has been two months since my father _ for Italy.(2020黑龙江龙东)A.was leftB.leftC.leaves()6.Bob,you _ in this city since 2018.How do you like it?(2

9、020 四川成都)A.livedB.liveC.have lived()7.So far,the number of people using 5G mobile phones _ a lot.(2020 湖北孝感)A.is increasingB.are increasingC.has increasedD.have increased8.-Will you go and see the movie Net Mother with me?-Thank you.But I _(see)it already.(2018山东济宁)9.I _(receive)an invitation to the

10、 concert.I cant wait to go.(2018河北)10.我想知道他们是否已经去过那家新的书店。(2020 江苏苏州)_BCChave seenhave receivedI want to know whether they have already been to the new bookstore.Practice()1.My father _ in a panda protection center for 10 years,so he knows a lot about panda.(2019 广东)A.work B.worked C.will work D.has

11、worked()2.-Why wont we play basketball with Class 4 this afternoon?-Because they _ Longzhong for a study trip.(2019湖北襄阳)A.have gone to B.have been to C.had gone to D.had been to()3.-Where is Catherine?I havent seen her for days.-She Wuhan.Shell be back next week.(2019湖北黄冈)A.has gone to B.has been to

12、 C.have gone to D.have been to()4.-What progress Huawei _ in recent years!-No wonder it is widely known in all parts of the world.(2019湖北宜昌)A.is making B.has made C.makes D.made()5.-Paris is a wonderful place.-So it is.I _ there twice.(2018四川凉山州)A.have beenB.have goneC.wentD.will goAABAD()6.-Hi,Tony

13、!_ you _ to the newly-opened shopping mall,Tangdao 637 lately?-Yes.I went there with my parents last week.(2018青海西宁)A.Did;goB.Have;beenC.Have;goneD.Do;go()7.I _ the guitar ever since I was 8 years old.(2020 甘肃金昌)A.playedB.have playedC.am playingD.will play8.Since then,I _ crazy about crayons and pai

14、nts.(2020 甘肃金昌改编)9.The evening fell,but my parents _ come back home yet.(2020 内蒙古赤峰改编)10.How are you？I _(not,see)you for a few months.(2020 山东济宁改编)BBhave beenhaventhavent seenSectionBB1 Grammar现在完成时现在完成时 III 现在完成时可以和带有since或for等表示“一段时间”的状语连用,表示动作或状态从某一时刻开始,一直持续到现在。但是,像come,arrive,buy等终止性动词不能与表示“一段时间

15、”的状语连用。如果要用，必须延续性动词来表述。如：His grandfather died two years ago.His grandfather has been dead for two years.他爷爷去世两年了。Heleftfiveminutesago.Hehasbeenawayforfiveminutes.他离开五分钟了。延续性动词和短暂性动词之间的转化延续性动词和短暂性动词之间的转化:leave be away from 离开 buy have 购买borrow keep 借用die be dead 死去open be open 打开 become be 成为begin/st

16、art be on 开始join be in/be a member of 加入 come/get(back)be back 回来arrive in(at)/get to/reach be here/there 到达Practice()1.-Jenny,your new tape player looks great.-Oh,its not new.I _ it for three years.(2019广西玉林)A.buy B.have had C.bought D.have bought()2.-Is everyone here,Jonathan?-No.Sir.Millie is abs

17、ent.She _ for two days.(2019江苏南通)A.has fallen ill B.has been ill C.fell ill D.was ill()3.-Where are the teachers now?-In the meeting room.They _ the meeting for 10 minutes.(2019江苏淮安)A.have begun B.have been onC.have hadD.have been held()4.-Is this your camera?-Yes,I _ it for two weeks.(2018广西)A.boug

18、ht B.had C.have had D.have bought()5.-Its time to work now.-Ok,Ill wake Carl up.He _ for an hour.(2018山东青岛)A.has fallen asleepB.has been asleepC.fell asleepD.falls sleepBBBCB()6.-Your new watch is so nice!When did you buy it?-In April.I _ it for two months.(2018湖北黄冈)A.have had B.had C.have boughtD.b

19、ought()7.-Where do you live Lin Tao?-I live in Beijing now.I _ here for ten years.(2018湖南湘西)A.movedB.have movedC.beenD.have been()8.He _ his hometown for twenty years.He really misses it!(2018黔西南)A.has been away from B.leftC.has leftD.is away from()9.The Great Wall is a place of interest.All of us _ there before.(2020 贵州毕节)A.has beenB.have beenC.has goneD.have gone()10.-Do you miss your parents far away?-Yes,very much.They _ the hometown for over two years.A.leftB.have leftC.were away fromD.have been away fromADABD