Unit+1+Topic+1+Section+B 仁爱版九年级英语上册.pptx

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1、Unit 1 The Changing WorldTopic 1 Section B 学习目标学习目标预习检测预习检测知识梳理知识梳理课堂总结课堂总结学习导航重点探究重点探究当堂当堂检测检测新课导入新课导入Lets watch a video:学习目标学习目标能熟悉并正确运用本能熟悉并正确运用本课时课时的重点的重点单词单词和短和短语语12能能进进一步巩固一步巩固现现在完成在完成时的用法的用法1.Ihaventplayedbasketball_alongtime.A.forB.atC.sinceD.in2.Couldyoutellmewhenthe24thWinterOlympicwill_?I

2、n2022.A.takecareB.takeplaceC.takeoffD.takeup预习检测预习检测AB3.Helping_makesmehappy.A.otherB.theotherC.othersD.theanother4.Hewenttothecinemalastnight,_?A.didheB.washeC.doesntheD.didnthe5.Asastudent,weshoulddosomething_tothesociety.A.meaningfulB.meaningC.interestingD.deliciousCDA知识梳理知识梳理Key points 1.You too

3、k part in some volunteer activities during summer holidays,didnt you?你在暑假参加了一些志愿者活动，是吗？反意疑问句反意疑问句:由两部分构成，前一部分是对事物的陈述，后一部分是简略的问句。前者用肯定形式，后者一般用否定形式；反之亦然。eg:Itsaniceday,isntit?Anndidntusetolivethere,didshe?Key points join,join in和 take part in，都可表示“参加”:join多指参加某组织，成为其中的一个成员。eg:YoucanjointheEnglishclubt

4、opracticeEnglish.你可以加入英语俱乐部练习英语。joinin指参加某项比赛或活动，常用于口语。joinsb.in(doing)sth.表示“与某人一起参加某种活动”eg:Ihopeyoullalljoininthediscussion.我希望你们大家都参加讨论。Wouldyoujoinmeinawalk?和我一起去散步好吗?takepartin指参加活动，有时可与joinin互换。eg:Studentsshouldtakepartinallkindsofactivitiesafterclass.学生们课后应该参加各种活动。Key points2.What a wonderful

5、 experience!多么美妙的经历啊！what引导的感叹句，what意为“多么；真；太”，用作定语修饰名词。此处句式结构为：what+a/an+形容词+可数名词单数+(主语+谓语)！口语中常可以省略主语和谓语。eg:Whatanewwatch(itis)!多么新的一块手表啊!Key points3.I have learnt a lot from it.我已经从中学到了很多。learnfrom向/从学习eg:WeshouldlearnfromLeiFeng.我们应向雷锋学习。learnsth.fromsb.向某人学习做某事或某方面的知识eg:Ivelearnedsurfingfromhim

6、.我已经向他学习冲浪了。Key points4.Though I had no time to travel,I still felt happy.虽然我没有时间去旅行，但我仍然感到很开心。though/although和eventhough/evenif意为“虽然；尽管；即使”，引导让步状语从句，通常不与but连用。eventhough/evenif带有强调的意味，语气较强；though和although语气较弱，而thought比although更口语化，不如although正式。eg:Though/Althoughitrained,theboysstillplayedoutside.=I

7、trained,buttheboysstillplayedoutside.尽管天下雨了，但是那些男孩子仍在外面玩。Key pointshave(no/alittle/enough)timetodosth.有（没有/一点/足够的）时间做某事eg:Hewassobusythathehadnotimetohavelunch.他太忙了，没有时间吃午饭。Ialwaysdonothaveenoughtimetofinishmywork.我总是没有足够的时间来完成作业。Grammar现在完成时Haveyoubeentoanyotherplace?Yes,Ihave./No,Ihavent.Ihavebeen

8、toanEnglishsummerschool.Ivelearntalotfromit.Ihaventseenyouforalongtime.HehasgonetoAmerica.现在完成时：助动词现在完成时：助动词have/has+过去分词过去分词done过去分词过去分词done规则变化规则变化其中，动词过去分词的构成有规则构成和不规则构成两类。规则动词过去分词的构成和其过去式的构成相同。(1)一般动词，在词尾直接加“ed”。work-worked-worked(2)以“e”结尾的动词，只在词尾加“d”。live-lived-lived(3)以“辅音字母+y”结尾的动词，将“y”变为“i”，

9、再加“ed”。study-studied-studied(4)重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ed”。drop-dropped-droppedeat-see-read-keep-have-be-leave-make-go-meet-come-write-tell-buy-find-shut（关闭）-shutfoundtoldcomegonelefthadreadeatenboughtwrittenmetmadebeenkeptseen不规则动词的过去分词需要大家牢记。过去分词过去分词done不规则变化不规则变化结构结构肯定句肯定句：主语：主语+have/has+过

10、去分词过去分词+.疑问句疑问句：Have/Has+主语主语+过去分词过去分词.?Haveyoufinishedyourhomeworkyet?Yes,Ihave./No,Ihavent.Ihaventfinishedmyhomeworkyet.Ihavealreadyfinishedmyhomework.现在完成时的句型结构现在完成时的句型结构否定句否定句：主语：主语+havent(have not)+过去分词过去分词 主语主语+hasnt(has not)+过去分词过去分词.探究一志愿者活动Whatsthisvideoof1aabout?Itsaboutvolunteering.vlntn.

11、志愿者；志愿兵adj.志愿的vi.自愿vt.自愿Have you ever been a volunteer?volunteer activitiesdisabled children 残障儿童1a Look,listen and say.Kangkang:Hi,Maria!Ihaventseenyouforalongtime.Youtookpartinsomevolunteeractivitiesduringthesummerholidays,didntyou?Maria:Yes.Iwasavolunteerinadisabledchildrenshome.Kangkang:Cool!Did

12、youcleanroomsforthedisabledchildren?Maria:Yes,Idid.Kangkang:Didyoufeedthem?Maria:No,Ididnt.ButIcookedforthem.Kangkang:Whatawonderfulexperience!Maria:Yes,itreallywas.Ivelearntalotfromit.Ithinkitmakesmehappytohelpothers.Kangkang:Howinteresting!Haveyoubeentoanyotherplace?Maria:No,Ihavent.ThoughIhadnoti

13、metotravel,Istillfeltveryhappy.Whataboutyou?Kangkang:Youresokind.IhavebeentoanEnglishsummerschool.Imadesomenewfriendsthere.Wealsoputonfunnyshowsforagroupofoldpeopleinacommunity.Maria:Great!Tohelpothersmakesushappy.1.Mariahelpedthedisabledchildrentocleantheroomsandfedthem.()2.Mariathinksherexperience

14、asavolunteerwaswonderful.()3.Mariafeltveryhappybecauseshehelpedothers.()4.Kangkanghasbeentoasummerschooltohelptheold.()5.KangkanghasmadesomenewfriendsintheEnglishsummerschool.()FTTFT1b Listen to 1a and mark T(True)or F(False).1c Read 1a and complete the following passage.BothMariaandKangkanghavedone

15、somethingmeaningful.Mariahas_somevolunteeractivitiestohelpsomedisabled_.She_alotfromit,andshesaid_othersmadeherhappy.Kangkang_anEnglishsummerschool.He_somenewfriendsthere,andtheyalso_funnyshowsforagroupofoldpeopleina_.takenpartinhaslearned/learnthasbeentotohelp/helpingputoncommunitychildrenmade通过活动，

16、我们可以总结出：暑假期间，学生们活动丰富。例如Maria参加了“残疾人之家”志愿者活动，从这知道志愿者活动包括1._；2._等。当堂检测见当堂检测见DCFDCF课件课件活动小结活动小结cleanroomscookforpeople探究二现在完成时中一般疑问句的问答2a Fill in the blanks with the different forms of the verbs.Read them aloud and pay attention to the underlined parts.Then listen and check.VerbPast TensePast Participl

17、ecleancleanedcleanedjumpjumpedchattedchattedflyflowndodidam/is/arewas/wereshutshutjumpedchatflewdonebeenshutThepronunciationof“ed”is“/t/,/d/,or/id/”whenitisaddedtotheverbsendingwithdifferentsounds,suchashelp/jump,play/turnorwait/end.读和记忆下列不规则动词的过去式和过去分词：see-saw-seentake-took-takenfeed-fed-fedlearn-l

18、earnt-learnthave-had-hadfeel-felt-feltput-put-putmake-made-madedo-did-donesay-said-saidshut-shut-shutchat-chatted-chattedfly-flew-flown2b Listen and read the example sentences aloud,paying attention to the pronunciation and intonation.Then make up more based on the table.ActivityNameclean roomsjump

19、ropechat onlinefly a kite do farm workAnnZhang YangExample:A:HasAnnevercleanedrooms?B:Yes,shehas.A:HasAnnchattedonline?B:No,shehasnt.2c Work in groups and survey your group members about their vacation experiences based on 2b.Then report it to the class.Janehasdonesomefarmwork_You may begin like this:通过活动，我们可以总结出：现在完成时的句型结构肯定句：主语+have/has+过去分词+.否定句：主语+havent(havenot)+过去分词 主语+hasnt(hasnot)+过去分词.疑问句：_肯定回答：Yes,_.否定回答：No,_.活动小结活动小结Have/Has+主语+过去分词.?sb.have/hassb.havent/hasntSummaryUnit 1Topic 1 Section B现在完成时的基本句型结构过去分词的变化规则