牛津译林版八年级英语下册Unit1Grammar公开课ppt课件.ppt

8B Unit 1 Past and Present Grammar Learning aims:1.Master the structure and basic usage of present perfect tense(PPT).（掌握现在完成时的基本结构、用法。）（掌握现在完成时的基本结构、用法。）2.Learn the rules of forming the past participle of verbs.（学习动词的过去分词变化规则。）（学习动词的过去分词变化规则。）3.Learn 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。）（学习常用在现在完成时里的时间表达方式。）1.How long has Mr.Chen lived in Sunshine Town?2.What has the government done to part of the town center?3.Why does Mr.Chen think it is impossible to see his old friends as often as before?Step1:Lead-inAsk and answerHe has lived there since he was born.The government has turned part of the town center into a new park.Because his friends have moved away.Pre task:Learn on their own and answer When do we use present perfect tense?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，现在还在继续的表示过去开始，现在还在继续的动作。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。PastpresentEddie 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。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）一般过去时谈论在过去的特定时间发生的事）Step3:While taskTask1:Group workMake a conclusion about the basic structure of PPTSubject(主语主语)have/has+(not)（助动词助动词）past participle(过去分词过去分词)I/You/We/They have(not)moved.He/She/It has(not)moved.Have/Has+主语主语 +动词的过去分动词的过去分词词HaveI/you/we/theymoved?Hashe/she/itYes，I/you/we/theyhave.he/she/ithas.No，I/you/we/theyhave.not/havent.he/she/ithas not/hasnt.一般疑问句一般疑问句Adverbs of timelalready:肯定句，表示已经发生lever:疑问句，表示“曾经”lfor:肯定句/疑问句/否定句，表示一段时间ljust:肯定句，表示“刚刚”lnever:否定句，表示“从不”lrecently:肯定句/否定句/疑问句，表示“最近”lsince:肯定句/否定句/疑问句，表示“自-以后”lyet:疑问句/否定句，表示“已经”或者“还没有”Exercisesl1.I _(have)lunch already.l2.Has the train_(arrive),yet?l3.Tome _ never_(be to)China.l4.The twin _just _(see)my father.l5.The twins _(see)my father just now.have hadarrivedhasbeen tohasseensaw 1 Have you done your homework _?(for,just,yet)2 I have _ been to Chengdu.(for,never,yet)3 He has worked there _ he left school.(already,just,since)4 She has known Sam _ nine years.(for,never,since)5 Have you _ ridden a horse?(ever,for,yet)yetneversinceforever6 They have _ arrived.(ever,just,yet)7 He has _ washed the dishes(already,ever)8 We have not completed the project _.(already,for,yet)justyetalready Forming the past participle of verbsMost verbs+edwashwashedVerbs ending in e+dlivelivedVerbs ending in a consonant+y-y+iedstudystudiedShort verbs ending in a vowel+a consonantdouble the consonant+edstopstoppedStep3:While taskTask2:Learn the rulesmovelivelovelike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:visitrepairwatchfinishvisited visited repaired repairedwatched watchedfinished finishedmoved moved lived lived loved loved liked liked verbed以以e结尾结尾d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:stopmoptrapplanstopped stopped mopped moppedtrapped trappedplanned planned注注:以一个辅音字母结尾的重读闭音节词以一个辅音字母结尾的重读闭音节词,双写最后一个辅音字母双写最后一个辅音字母ed双写双写edstudy hurrystudied studiedhurried hurried去去yied注注:以辅音字母加以辅音字母加y结尾的词结尾的词,去去yied.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:begive seemake put comewritewas/were beengave givensaw seenmade madeput putcame comewrote written注注:不规则动词见书上不规则动词见书上122页不规则动词表页不规则动词表.Some more examples:most verbs Irregular verbs Infinitive Past particle Infinitive Past particlevisitvisitedcomecomelivelivedseeseenrepairrepairedbebeenfinishfinishedgivegivenmovemovedwritewrittenwatchwatchedmakemadetraveltravelledputput1 borrow2 hope3 make4 get5 plan6 cry7 send8 watch9 say10 grow11 hit12 enjoy1 borrow2 hope3 make4 get5 plan6 cryborrowedhopedmadegotplannedcriedsentwatchedsaidgrewhit enjoyedStep3:While taskTask3:Finish Part A on page 141 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 visitedhas repairedhavent seenhas taughthavent comeStep3:While taskTask4:Finish Part B on page 14Task 5:Finish Part C on page 15M:_ 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 seensawhave heardhave learnt1 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 waitedhavent finishedHave heardhas beenHavestayed watchedhavehasarrivedhavent eatenTask6:Fill in the blanks用括号中动词的适当形式填空用括号中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 (hear)from my father recently.5.We (be)there many times in the past 3 years.They (finish)the work so far.6.How long you (stay)at home?has waitedhavent finishedHaveknownhave heardhave beenhave finishedhavestayedTask7:Finish the exercisesTask 8:Translate these sentences1 南京自南京自1995年以来发生了很大的变化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你们在这个乡村住了多久了?4他结婚了吗他结婚了吗?是的是的,他们他们6年前结婚了了年前结婚了了.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?Yes,he got married six years ago.Step4:Post-taskTask 1:Exercises in class(Finish【课课堂堂训练训练】in the learning paper in 10 minutes)Task2:Feedback what we have learnt todayHomework:1.Finish off the homework left in the learning paper.2.完成学习与评价第4课时。l9、春去春又回，新桃换旧符。在那桃花盛开的地方，在这醉人芬芳的季节，愿你生活像春天一样阳光，心情像桃花一样美丽，日子像桃子一样甜蜜。2023/1/162023/1/16Monday,January 16,2023l10、人的志向通常和他们的能力成正比例。2023/1/162023/1/162023/1/161/16/2023 7:05:11 PMl11、夫学须志也，才须学也，非学无以广才，非志无以成学。2023/1/162023/1/162023/1/16Jan-2316-Jan-23l12、越是无能的人，越喜欢挑剔别人的错儿。2023/1/162023/1/162023/1/16Monday,January 16,2023l13、志不立，天下无可成之事。2023/1/162023/1/162023/1/162023/1/161/16/202314、Thank you very much for taking me with you on that splendid outing to London.It was the first time that I had seen the Tower or any of the other famous sights.If Id gone alone,I couldnt have seen nearly as much,because I wouldnt have known my way about.。16 一月 20232023/1/162023/1/162023/1/16l15、会当凌绝顶，一览众山小。一月 232023/1/162023/1/162023/1/161/16/2023l16、如果一个人不知道他要驶向哪头，那么任何风都不是顺风。2023/1/162023/1/1616 January 2023l17、一个人如果不到最高峰，他就没有片刻的安宁，他也就不会感到生命的恬静和光荣。2023/1/162023/1/162023/1/162023/1/16谢谢观看THE END