八年级英语下册 Unit 1 Past and Present grammar课件 (新版)牛津版 课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,8B Unit 1 Past and Present,Grammar,1.,To m,aster the structure and basic usage of present perfect,tense,(PPT,),.,（掌握现在完成时的基本结构、用法。）,2.,To l,earn the rules of forming the past participle of verbs.,（学习动词的过去分词变化规则。）,3.,To l,earn some time expressions,usually,used in PPT.,（学习常用在现在完成时里的时间表达方式。）,Learning aims,How long has Mr.Chen lived in Sunshine Town?,2,.,Can,Mr.Chen see his old friends as often as before?,He,has lived,here since he was born.,No,.,Because most of his old friends,have moved away.,Lead-in Ask and answer,have+done(,动词过去分词,),present perfect tense,Ive just eaten it,.,You,ve,changed.,We have lived here since then.,Have you seen my food,？,Have you ever moved house?,Has the town changed a lot over the years?,Pre-task:More examples,Try to find more sentences with have/has+done in the book.,When do we use present perfect tense?,While-task,Task1:,Learn,by yourselves,We use,the,present perfect tense,to talk about an action that started in the past and continues to the present.,表示过去开始，现在还在继续的动作。,We use the,present perfect tense,to talk about an action that happened in the past and has a connection with the present,.,表示过去发生的或已完成的动作对现在造成的影响或结果,。,Past,present,Eddie,has eaten,my food.,Eddie ate the food and now Hobo has nothing to eat.,We also use the,present perfect tense,to talk about how many times an action has happened till now.,谈论动作已经发生了很多次。,I have already read this book many times,.,We use,the simple past tense,to talk about what happened at a definite time in the past.,（,一般过去时谈论在过去的特定时间发生的事）,Discuss:Whats the,basic structure of PPT,?,Subject,(,主语,),have/has+(not),（,助动词,）,past participle,(,过去分词,),I/You/We/They,have(not),moved.,He/She/It,has(not),moved.,Task2:Group work,Have/Has,+,主语,+,动词的过去分词？,Have,I/you/we/they,moved?,Has,he/she/it,Yes,，,I/you/we/they,have.,he/she/it,has.,No,，,I/you/we/they,have.,not/havent.,he/she/it,has not/hasnt.,一般疑问句,Adverbs of time,already:,肯定句，表示已经发生,yet:,疑问句,/,否定句，表示“已经”或者“还没有”,ever:,疑问句，表示“曾经”,for:,表示一段时间,just:,表示“刚刚”,never:,表示“从不”,recently:,表示“最近”,since:,表示“自,-,以后”,1.I _(have)lunch already,.,2.Has the train_(arrive),yet?,3.Tome _ never,_(be to)China.,4.The twin _just _(see)my father.,5.The twins _(see)my father just now.,have had,arrived,has,been to,has,seen,saw,Exercises,How to f,orm the past participle of verbs,?,Most verbs,+,ed,wash,wash,ed,Verbs ending in e,+d,live,live,d,Verbs ending in,a consonant+y,-y+,ied,study,stud,ied,Short verbs ending in a vowel+a consonant,double the consonant+,ed,stop,sto,pped,Task3:,Learn the rules,move,live,:,repair,finish,repair,ed,repair,ed,finish,ed,finish,ed,move,d,move,d,live,d,live,d,verb,ed,以,e,结尾,d,stop,plan,stop,ped,stop,ped,plan,nedplan,ned,双写,ed,study,hurry,stud,ied,stud,ied,hurr,ied,hurr,ied,去,y,ied,写出下列动词的过去式和过去分词,写出下列动词的过去式和过去分词,:,be,give,see,make,put,come,write,was/were been,gave given,saw seen,made,made,put,put,came come,wrote written,注,:,不规则动词见书上,122,页不规则动词表,.,1 borrow,2 hope,3 make,4 get,5 plan,6 cry,7 send,8 watch,9 say,10 grow,11 hit,12 enjoy,1 borrow,2 hope,3 make,4 get,5 plan,6 cry,borrow,ed,hope,d,made,got,plan,ned,cr,ied,sent,watch,ed,said,gr,o,w,n,hit,enjoy,ed,Task4:,Finish Part A on page 14,1 They,_ (,finish)their homework already.,2 John,_,never,_,(visit)China.,3 Mr.Li,_,(repair)over ten bicycles since Monday.,4 We_,_,(not see)each other for years.,5 My parents,_,(not come)back yet.,6.Our teacher,_,(teach)us a lot about the history of China.,have finished,has visited,has repaired,havent seen,has taught,havent come,Task5:,Finish Part,B,on page 14,M:,_,you,_,(see)any,films recently,Sandy?,S:No,I havent.What about you?,M:Well,I,_,(see)one last Saturday.,S:What is it about?,M:Its about the changes in Beijing over the past century.From this film,I,_,_,_,(learn)more about Beijings past and present.,S:Oh,I think I,_,_,_,(hear)about the film.Do you plan to see it again?,M:Yes,Id like to.,Have,seen,saw,have heard,have learnt,Task6:,Finish Part,C,on page 1,4,1 She _(wait),for,two hours,already,.,2 They _(not finish)the project,yet,.,3 _ you _(hear)from my sister,recently,?,4 Mark _(be)there,for,two days.,5 _ they,ever,_ (stay)at home alone?,6 I _,never,_(watch)this film.,7 Daniel _,just,_(arrive)home.,8 We _(not eat)anything,since,then.,has waited,havent finished,Have,heard,has been,Have,stayed,watched,have,has,arrived,havent eaten,Task7:,Fill in the blanks,Task2:Feedback what we have learnt today,Post-task,Task1:,Exercises in class,一、写出下列词的过去分词,1.be_,_,_,_,_2.become_,_,_,3.,begi,n,_,_,4.blow_,_,_,_,5.build_,_,_6.choose_,_,_,7.cost_,_,_,_,8.do_,_,_,_,9.drink_,_,_10.eat_,_,_,_,11.drive_,_,12.fall_,_,_,_,13.,fly_,_,_,_,14.forget_,_,_,_,15.,know_,_,_,fallen,known,forgotten,flown,become,begun,built,cost,done,been,chosen,blown,drunk,eaten,driven,二、根据旬意及中文提示完成单词,1.I have only started to learn French,_,（近来）,2.,-Has the train arrived,_,(还,仍,)?,-Yes,it arrived ten minutes ago.,3.,How long has Mr Smith,_,(教,)English,so far?,4.,There have been great,_,(改变,)in America since I left there.,5.,No country has made such progress as Chinese,in the,_,（过去的）,thirty years.,recently,past,changes,taught,yet,三、用括号中所给动词的适当形式填空,1.,He _(wait)for an hour.,2.,I _,(not finish)the work yet.,3.,_ you _,_,_(know)him since then?,4.,I _,_,(not hear)from my brother for a long time.,5.,We _(be)there many times since 3 years ago.,have been,has waited,havent finished,Have known,havent heard,四、单项选择,()1,.I havent seen you _ last Friday,A.for,B.since,C.from,D.on,()2.,O,h,you _ the computer game for two hours.Its bad for,your eyes.Stop,please!,A.played,B.have played,C.were playing,D.play,()3,.I wont go to the,show,because I _ my ticket.,A.los,e,B.dont lose,C.have lost,D.will lost,()4,.-_ my dictionary?,-,Yes.I saw it on your desk a,moment ago.,A.Have you seen,B.,Do you see,C.,Had you seen,D.,Would you seen,B,A,C,B,(),5,.-_have you been here?,-3 years.,A.,How often,B.,How long,C.How far,D.How,(),6,-May I go to play tennis with you,Dad?,-_you _your,homework,yet?,A.,Are,finishing,B.,Did,finish,C.,Will,finish,D.Have,finished,()7.-Do you know the movie,Lost In Thailand,?,-Yes,I_,it twice.,It,s funny.,A.,saw,B.,see,C.,have seen,D.,will see,B,D,C,(),8.Things,_,a lot since the boy finished school.,A.,has changed,B.,have changed,C.,changed,D.,was changed,()9.Lily,s grandpa has lived here,_,.,A.10 years ago,B.almost 10 year,C.,since 1994,D.last year,B,C,Translate these sentences,1,南京自,1995,年以来发生了很大的变化,.,2,南京已经成为一个现代化的城市,.,3,你们在这个乡村住了多久了,?,4,他结婚了吗,?,是的,他,们,6,年,前结婚了,.,Nanjing,has changed,a lot since 1995.,Nanjing,has turned,into a modern city.,How long,have,you,lived,in the village?,Has,he,got,married?,Y,es,he,got married,six years,ago,.,ByeBye!,