《8BUnit1Revision.ppt》由会员分享，可在线阅读，更多相关《8BUnit1Revision.ppt（24页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、Has Beijing Sunshine Town changed a lot over the years?beforenow Mr Chen knows Sunshine Town very _.He lived with his family _ he got _.Then he and his wife _ to another _ in the _ of town.Last year they moved again _ his children _ them a new flat.The pollution was _ then because the The pollution
2、was _ then because the factory factory _ to dump its _ into the river.The to dump its _ into the river.The _ in the waste killed fish and plants and _ in the waste killed fish and plants and _ the river.Later the government _ the river.Later the government _ it was a very serious problem and took _
3、it was a very serious problem and took action to _ the pollution.Now the river is action to _ the pollution.Now the river is much _.much _.In some ways，he thinks life is better now.Many of his old friends _ _ other areas and he feels _ _ lonely _ _ _ _.welltillmarriedmovedflatcentrebecauseboughtterr
4、ibleusedwastepoisonpollutedrealizedreducecleanermovedtoabitfromtime totimeCorrect the mistakes:I am going to write an article on Sunshine Townfor my history project.I had an interview with Daniels grandpa Mr.Chen this morning.Mr.Chenhas lived here for a short time.I asked him aboutthe history of the
5、 town.He was unkind and impolite,and he told me a lot about his past.Mr.Chen is over 70,but he still looks very unhealthy.He is lonelyfrom time to time because he misses his new friends.longkindhealthypoliteoldIt is easy for him to see some of them as often as before.He feels happy about that.Howeve
6、r,He still enjoys the changes.He thinks he is unlucky enough to see the changes to Sunshine Town.He even told me his future plan.He wantsto move next to the park if t is impossible!possibleluckyunhappydifficult Oppositescheapeasyfasthappynewhotsamelongexpensivedifficultslowlysadoldcolddifferentshort
7、correcthealthyhonestkindluckypleasantpolitepossibleincorrectunhealthydishonestunkindunluckyunpleasantimpoliteimpossible Opposites否定词缀否定词缀in-un-dis-im-less careless hopeless homeless uselessincorrect incomplete inexpensiveunhappy unhealthy unkind unabledishonest dislike disorderimpossible impolite 紫石
8、故居紫石故居 People used to live in old houses.Old houses have turned into new tall flats.Now they live in new tall flats.Market stalls have turned into shopping malls.People used to buy things at market stalls.Now they go to shopping malls instead.Haian has changed a lot over the years.Present perfect te
9、nse（现在完成时）现在完成时是由助动词现在完成时是由助动词have（has）+过去过去分词分词构成。构成。现在完成时现在完成时表过去发生的某一动作对现在造表过去发生的某一动作对现在造成的影响或结果成的影响或结果,或表示或表示过去已经开始，持过去已经开始，持续到现在的动作或状态，也可以表示可能继续到现在的动作或状态，也可以表示可能继续下去的动作或状态。续下去的动作或状态。通常和通常和 for,since引引导的时间状语连用导的时间状语连用.以及以及 so far（至今）（至今）,by now（直到现在）（直到现在）,these days,in the last ten years 等连用。等连
10、用。The present perfect tense原形原形过去式过去式过去分词过去分词askplantlivemovecarrycryplayenjoystopplan规则动词规则动词askedaskedplantedplantedlivedlivedmovedmovedcarriedcarriedcriedcriedplayedplayedenjoyedenjoyedstoppedstoppedplannedplanned原形原形过去式过去式过去分词过去分词becomegoseeeatgiveputmakewritedo不规则动词不规则动词was/werebeencamecomewent
11、gonesawseenateeatengavegivenputputmademadewrotewrittendiddoneWho can do the best?选用选用 for和和 since填空填空:1.We havent seen each other _ a long time.2.His father has been in the Party _ 10 years ago.3.The film has been on _ 20 minutes.4.Mr Green has worked here _ he came to China.forsinceforsinceTips:for
12、 后接一段时间后接一段时间since 后接表示点的时间后接表示点的时间用适当的副词填空用适当的副词填空1)yet or already A:Have you done your homework?B:Yes,I have done it .2)Ever or neverA:Have you been to Hong KongB:No,I have been there before.3)Just or just nowA:Clean the blackboard,please.B:We have cleaned it.A:When did you clean it?B:We cleaned i
13、t_.yetalreadyeverneverjustjust now1.He _(know)the city since he was very young.2._ you _(see)my watch?Yes,I _(see)it on your desk five minutes ago.3.Last night,it _(rain)heavily.4.-When _ you _(finish)your work?-Half an hour ago.has knownHaveseensawraineddidfinish一般过去时表示表示过去某个时间发生的动作或状态过去某个时间发生的动作或状
14、态，常和，常和表示过去的时间连用，表示过去的时间连用，yesterday,last night,in 1990,two days ago等。易与现在完成时混淆。等。易与现在完成时混淆。Tips:1.The boy has already gone home.（改为一般疑句）_2.The girl has just given it to me.（改为否定句）_3.They have visited Beijing before.（改为否定句）_Has the boy gone home yet?The girl hasnt given it to me yet.They havent visi
15、ted Beijing before.1.我已完成我的家庭作业。2.我半小时前完成的家庭作业。3.陈先生自出生以来就住在阳光镇。4.陈先生五年前住在阳光镇。I already my homework.havefinishedI my homework half an hour ago.finishedMr Chen in Sunshine Town since he was born.has livedMr Chen in Sunshine Town five years ago.lived 我的家乡我的家乡海安是一个美丽的地方。这些年来海安发生了很大的变化。过去的海安是一个安静的地方。有古老的建筑和石板小街。现在遍地是高楼。过去人们上班都是骑自行车。现在很多人已经购买了小轿车。海安火车站从2004年开始使用。海安的变化已经给人们带来了很多优势，但它们也带来了不少问题。然而大多数年轻人还是感到开心的。我爱我的家乡。THANK YOU