江苏省连云港市东海县晶都双语学校八年级英语下册Unit1PastandPresentGrammar1课件新版牛津版.ppt

1、Unit1 Past and presentGrammar(consolidation)Learning aims 1.巩固现在完成时的基本结构、基本用法和常见的动词过去分词。2.理解并正确运用常和现在完成时连用的时间表达方式。3.能够在语境中正确运用现在完成时。Practice 11.写出下列动词的过去分词（5arrive_ finish_ change_carry_ stop_ come_do_ hold_ win_write_ build_ catch_keep_ forget_ tell_be_ have_ take_know_ draw_ see_eat_ plan_ sell_ 2

2、.完成课课练P7（四）（3 Keys:1.have worked 2.Has;turned;has 3.Have;cooked;havent 4.hasnt;yet 5.havent told 6.How long这里的have、has不是有的意思，它是和后面的过去分词构成现在完成时，它具有助动词的特性。你会识别现在完成时？_ 通常与表示过去确切时间的时间状语连用。例如：yesterday,last week,in 2002,an hour ago等；_ 则常与just,already,ever,never，just,recently,yet等副词和these days,this week,s

3、ince.,for.等表示一段时间的时间状语连用。How to use them?already肯定句，表示“已经”,ever疑问句，表示“曾经”，for肯定句/否定句/疑问句，表示一段时间just肯定句，表示“刚刚”，never否定句，表示“从不”，recently 肯定句/否定句/疑问句，表示“最近”since肯定句/否定句/疑问句，表示“自以后”yet疑问句/否定句,表示 “已经”或“还没有”Translate the following sentences 1.我们已经完成了家庭作业。2.他从没参观过北京。3.你曾经看过这部电影吗？4.他们刚刚吃了你的食物。5.他还没有把那本书还给我。

4、6.最近我读了许多书。7.自2004年以来我就是一名老师。8.我在东海居住好多年了。2.Complete the sentences using the present perfect tense.1.They _(finish)their homework.2.Mr and Mrs Li _ (not come)back yet.3.John _(play)this computer game a few times.havent comehave finishedhas played4.We _(not see)that film yet.5.Mr Dong _(repair)over t

5、en bicycles since last Monday.6.You _(not visit)me for a long time.havent seenhas repairedhavent visited7.He _(not finish)the homework yet.He will try to finish it quickly.8.My family _(live)in Nanjing since 1996.9._ you _(know)him since then?hasnt finishedhas livedHaveknown10.They _ already _(decid

6、e)to go to Kunming for the holiday.11.We _(move)to the new flat since last month.12.The girl _(learn)English for about two years.havedecidedhave movedhas learned13.My father went to Beijing two weeks ago.I_(not see)him since then.14._ Tom _(write)letters to you recently?15.Jacks mother isnt at home.

7、She _(go)to the supermarket.16.The film _(be)on for about 20 minutes.We missed the beginning.havent seenHaswrittenhas gonehas been3.Complete the conversation using the correct forms of the verbs in brackets.Millie:(1)_ you _(see)any exhibitions recently,Sandy?Sandy:No,I(2)_.What about you?Millie:Wel

8、l,I(3)_(see)one.I _ it at the history museum last week.Sandy:Whats it about?Have seen have seenhaventsawMillie:I(4)_(forget)the title.Its about changes in Beijing over the past century.Sandy:Oh,yes.I(5)_(hear)about it.(6)_ your cousin _(go)with you?Millie:No,he(7)_.He(8)_ (be)very busy this week.hav

9、e forgottenhave heardHas gonehasnthas beenSandy:Did you enjoy the exhibition?Millie:Yes,I did.I(9)_(learn)a lot about Beijings past and present.Its a good exhibition and I(10)_(decide)to see it again.Do you want to go with me?Sandy:Sure.I wont miss it this time.have learnthave decided如何区别现在完成时和一般过去时

10、1.I saw the film yesterday.我昨天看了那部电影。I have seen the film.我已经看过那部电影了。区别一_ 的谓语动词用动词的过去式，而 _ 的谓语基本构成是“have/has+动词的过去分词形式”。一般过去时现在完成时2.I had supper an hour ago.我一小时前吃了晚饭。I have just had supper.我刚刚吃过晚饭。区别二_ 通常与表示过去确切时间的时间状语连用。例如：yesterday,last week,in 2002,an hour ago等；一般过去时_ 则常与just,already,ever,never，

11、just,recently,yet等副词和these days,this week,since.,for.等表示一段时间的时间状语连用。现在完成时3.He went to Guilin in 1998.他在1998年去过桂林。（这句话只说明他在过去某个时间去过桂林。）He has never been to Guilin.他从来没有去过桂林。（这句话说明他没去过桂林，而且强调至今都没去过。）区别三_侧重陈述一件过去的事情，所表示的动作或状态对现在无影响；_ 表示的动作或状态与现在有联系，侧重强调这一动作对现在所造成的影响。一般过去时现在完成时请从各题后所给的A、B、C、D四个选项中选出最佳答案

12、。1.I have seen the play already.When_ you _ it?A.have,see B.will,see C.did,see D.did,seen2.Mr Black _ in China for five years.A.living B.has lived C.live D.is going to liveC B 3.Why _ she _ angry?Because he _ at him just now.A.did get,shouted B.hasgotshouted C.did get has shouted D.hasgothas shouted

13、 A 4.You _ me waiting for two hours.I _ for you since five.A.keptwaited B.have keptwaited C.kepthave waited D.have kepthave waited C5.The boys_ only two subjects last term,but this term they_ five.A.have,haveB.had,hadC.had,have D.have had,haveC 6.He _ to draw horses already.When _he?”.Last year.A.le

14、arnedhas B.learneddid C.has learnedhas D.has learneddidD 7.Mr Black _ in China since five years ago.A.lived B.has lived C.lives D.is going to live B 8.We _ trees last Sunday.So far we _ over 3，000 trees there.A.planted；planted B.planted；have planted C.have planted；planted D.have planted；have plantedB 9.How long _ you _ the library book？For only three daysAdid；borrow Bhave；borrowed Cwere；kept Dhave；kept D 10 _ you_ the film yet？Yes，I _it last SaturdayA.Will；see；saw B.Did；see；saw C.Have；seen；have seen D.Have；seen；saw D Practice in class 完成课课练P6基础检测