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1、Unit 1Unit 1Past and presentPast and present(Revision)(Revision)第一PPT模板网-WWW.1PPT.COMa place of natural beautya modern town 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 n
2、ew flat . The pollution was _ then because the The pollution was _ then because the factory factory _ _ to dump its _ into the river. to dump its _ into the river. The _ in the waste killed fish and plants The _ in the waste killed fish and plants and _ the river. Later the government and _ the rive
3、r. Later the government _ it was a very serious problem and took _ 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 f
4、eels _ _ lonely _ _ _ _. welltillmarriedmovedflatcentrebecauseboughtterribleusedwastepoisonpollutedrealizedreducecleanermovedtoabitfromtime totimePPT模板： PPT 素材： PPT 图表： PPT下载： PPT 教程： 资料下载： 范文下载： 试卷下载： 教案下载： PPT论坛： PPT课件： 语文课件： 数学课件： 英语课件： 美术课件： 科学课件： 物理课件： 化学课件： 生物课件： 地理课件： 历史课件： The changes to She
5、nzhen( ) 1. When was the photo of old Shenzhen taken. A. in the early1970s B. in the late 1970s C. in 1970( )2.How is todays Shenzhen. A. Its quiet and modern B. It is busy and noisy C. It is busy but still( )3.Whats in the photo of todays Shenzhen. A. some old houses and a few small buildings. B. m
6、any tall buildings and many people in the wide streets. C. just a park.( )4.What changes can we see in the photo of todays Shenzhen. A. Shenzhen has become a rich and important city, a place to do business. B. It has become a small village. C. We cant see any changes in the photo.( )5.Which is right
7、 according to the dialogue. A. The changes of Shenzhen have brought some problems for people. B. Life in Shenzhen was better in the past than now. C. Shenzhen has been a good place to do business.ABBAC 现在完成时是由助动词have（has）+过去分词构成； 现在完成时表过去发生的某一动作对现在造成的影响或结果, 或表示过去已经开头，连续到现在的动作或状态，也可以表示可能连续下去的动作或状态；通常
8、和 for, since引导的时间状语连用.以及 so far（至今）, by now（直到现在）, these days, in the last ten years 等连用； -The present perfect tense原形过去式过去分词askplantlivemovecarrycryplayenjoystopplan规章动词askedaskedplantedplantedlivedlivedmovedmovedcarriedcarriedcriedcriedplayedplayedenjoyedenjoyedstoppedstoppedplannedplanned原形过去式过去分
9、词becomegoseeeatgiveputmakewritedo不规章动词was/werebeencamecomewentgonesawseenateeatengavegivenputputmademadewrotewrittendiddone选用 for和 since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 c
10、ame to China.forsinceforsinceTips: for refers to a length of time.since refers to the beginning of a period and continues to present.Fill in the blanks with correct adverbials1) yet or already A: Have you done your homework . B: No, I havent done it . B: Yes, I have done it .2) ever or never A: Have
11、 you been to Hong Kong B: No, I have been there before.3) Just or just now A: Clean the blackboard, please. B: We have cleaned it. A: When did you clean it. B: We cleaned it_.yetyetalreadyeverneverjustjust now1.He _ (know) the city since he was very young .2. _ you _ (see) my watch . Yes, I _ (see)
12、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一般过去时表示过去某个时间发生的动作或状态，常和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； Tips:1.The boy has already gone home .（改为一般疑句） _
13、2.The girl has just given it to me . （改为否定句）_3.They have ever visited Beijing before.（改为否定句）_Has the boy gone home yet.The girl hasnt given it to me yet.They have never visited 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.陈先生自诞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 h
14、alf an hour ago.finishedMr Chen in Sunshine Town since he was born.has livedMr Chen in Sunshine Town five years ago.livedWhat do you know about your hometown.Have a discussion in your groups and try to finish the table.In the pastAt presentEnvironmentTransportAdvantagesProblems Writing : The changes
15、 to Yancheng Para1: General introduction of Yancheng.Para2: In the past, what was Yancheng like.Para3: At present, whats Yancheng like.Para4: Conclusion1.Review unit 1 of 8A,2.Finish the exercises on the sheet. PPT模板下载： 行业PPT模板： 节日PPT模板： PPT素材下载： PPT图表下载： 优秀PPT下载： PPT教程： Word教程： Excel教程： 资料下载： PPT课件下载： 范文下载： 试卷下载： 教案下载： PPT论坛： 可以在以下情形使用不限次数的用于您个人/公司，企业的商业演示；拷贝模板中的内容用于其它幻灯片母版中使用；不行以在以下情形使用用于任何形式的在线付费下载；收集整理我们发布的免费资源后，刻录光碟销售；
