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1、11Unit3LanguageinuseLanguagepracticeuYoumustsayMr.orMrs.whenyoumeetsomeoneforthefirsttime.uYoucantakeitaway.uYoumustntbreakanything.uYouneedntwait!TrytomakeafacebookaboutculturesofEnglish-speakingcountries.Writedowntheinterestingthingsyoufind.Lookforsomepicturestogowiththem.情态动词情态动词must/can/need等等1.
2、mustmust表示表示“必须,一定要必须,一定要”,可用,可用于肯定句、否定句和疑问句。否定形于肯定句、否定句和疑问句。否定形式式mustnot(mustnt)表示表示“不能不能”或或“禁止禁止”的意思。例如:的意思。例如:Inmyhometown,peoplesayyoumustntdoanycleaningonthefirstdayoftheSpringFestival.在我的家乡,据说大年初一不能打扫在我的家乡,据说大年初一不能打扫卫生。卫生。Youmustuseredpaperforhongbaobecauseredmeansluck.你必须用红纸做红包,因为红色代表你必须用红纸做红
3、包,因为红色代表幸运。幸运。2.cancan表示表示“许可,可以许可,可以”,可用于肯,可用于肯定句、否定句和疑问句。否定形式定句、否定句和疑问句。否定形式cannot(cant)表示)表示“不能,不可以不能,不可以”,语气弱于,语气弱于mustnot(mustnt)。)。例如:例如:Youcantputthemilkinfirst.你不能先倒牛奶。(没有禁止的含义)你不能先倒牛奶。(没有禁止的含义)Whenyougettoknoweachotherbetterorwhentheyaskyouto,youcanjustusetheirfirstname.当你们更加熟悉或他们请你(这样做)当你们
4、更加熟悉或他们请你(这样做)时,你就可以只称呼他们的名字。时,你就可以只称呼他们的名字。CanIhavealookatyourphoto?我可以看一下你的照片吗?我可以看一下你的照片吗?请注意,本模块所学的请注意,本模块所学的can与以前我们与以前我们所学的所学的can意义不同,以前我们所学的意义不同,以前我们所学的can表示表示“能力能力”,这里表示,这里表示“允许允许”。3.needneed作情态动词表示作情态动词表示“需要需要”,可用,可用于肯定句、否定句和疑问句。否定形于肯定句、否定句和疑问句。否定形式式neednot(neednt)比较常用,表)比较常用,表示示“不需要不需要”或或“
5、不必要不必要”。例如:。例如:Ifshewantsanything,sheneedonlyask.如果她要什么,说一下就行了。如果她要什么,说一下就行了。Youneedntwait.你不必等待。你不必等待。请注意,请注意,need也可以作行为动词,也可以作行为动词,表示表示“需要需要”,常用于,常用于needtodosth.结构。例如:结构。例如:Ineedtocleanthehouse.我需要把房子打扫一下。我需要把房子打扫一下。Youdontneedtoleavenow.Itsstillearly.你没必要现在走,还早呢。你没必要现在走,还早呢。4.must,can,need的一般疑问句的
6、构成的一般疑问句的构成及其回答及其回答请看下列三组例句:请看下列三组例句:MustIcomebefore6:30tomorrow?明天我必须在六点半之前来吗?明天我必须在六点半之前来吗?Yes,youmust.是的,你必须在那之前到。(表示一是的,你必须在那之前到。(表示一定要)定要)No,youneednt.不,你不必在那之前来。(表示没必不,你不必在那之前来。(表示没必要,相当于要,相当于Youdonthaveto.)Canwegohomenow,please?请问我们现在能回家吗?请问我们现在能回家吗?Yes,youcan.可以。(表示允许)可以。(表示允许)No,youcant.不行。
7、(表示不允许)不行。(表示不允许)NeedIreportittothepolice?我要向警方报告这件事吗?我要向警方报告这件事吗?Yes,youmust.是的,你必须报告。(表示必须做)是的,你必须报告。(表示必须做)No,youneednt.不,没必要。(表示没必要)不,没必要。(表示没必要)5.must与与haveto的区别的区别两者都表示两者都表示“必须必须”,但,但must侧重侧重于说话者的主观看法,认为有必要于说话者的主观看法,认为有必要或有义务去做某事或有义务去做某事;haveto侧重于侧重于客观需要,含有客观需要,含有“不得不,被迫不得不,被迫”之意。例如:之意。例如:Allp
8、assengersmustwearseatbelts.所有乘客都要系安全带。所有乘客都要系安全带。Mybikewasbrokenyesterday,soIhadtowalktoschool.昨天我的自行车坏了,所以我只能昨天我的自行车坏了,所以我只能走路去学校。走路去学校。用于否定句时,用于否定句时,must的否定式的否定式mustnot(mustnt)表示)表示“一定不一定不要,不允许要,不允许”;而;而haveto的否定的否定式式donot(dont)haveto表示表示“不不必必”(=neednt)。请比较:)。请比较:Youmustnttellhimaboutit.你绝对不要告诉他这件
9、事。(可能你绝对不要告诉他这件事。(可能是秘密)是秘密)Youdonthavetotellhimaboutit.你不必告诉他这件事。(他可能知你不必告诉他这件事。(他可能知道了或者没有必要让他知道)道了或者没有必要让他知道)6.hadbetterhadbetter表示劝告或建议,意思是表示劝告或建议,意思是“最好最好”。例如:。例如:Youdbettergetsomesleep.你最好睡一会儿。你最好睡一会儿。hadbetter一般不用于疑问句中,但可一般不用于疑问句中,但可用于否定句中,其否定形式为用于否定句中,其否定形式为hadbetternot。例如:。例如:Youdbetternotw
10、asteanymoreofyourtime.你最好别再浪费你的时间了。你最好别再浪费你的时间了。1A:CanyoudriveacarattheageofseventeeninEngland?B:Yes,we.HowaboutChina?A:No,we.2A:CanyouopenagiftimmediatelyafteryoureceiveitinEngland?B:.WhataboutChina?A:No,weusuallydont.1 Complete the conversations with can or cant.cancantYes,wecan3A:Canyoupushyourwa
11、yontoabusinEngland?B:.HowaboutChina?A:No,weeither.4A:Canyoudriveontheright-handsideoftheroadinEngland?B:.WhataboutChina?A:Yes,wemust.No,wecantcantNo,wecant2 Complete the sentences with must or must not.Schoolrules1Youbelateforschool.2Youeatinthelibrary.3Yourideyourbikeintheplayground.4Youdoyourhomew
12、ork.5Youlistentotheteacher.mustntmustntmustntmustmust3 Underline the correct words.Itisimportanttoknowwhatyoumustandmustnotdowhenyoumeetpeoplefromadifferentcountry.You(1)may/mustnotaskWesterners“Howoldareyou?”becauseitisnotpolite.You(2)might/canknowsomeonewell,but(3)youmust/neednotask“Howmuchmoneydo
13、youmake?”He(4)may/canneverspeaktoyouagain!Inpublicplaces,you(5)must/canaskpeoplebeforeyoutakephotosofthem,andyou(6)mustnot/mightnoteatordrinkinshopsormuseums.Insomecountriesyou(7)cannot/cangointosomeoneshousewithyourshoeson.You(8)neednot/mustnottakethemoff.Butinsomeothercountriesyou(9)might/mustnotw
14、earshoesinthehouse.4 Listen to a teenager talking about his life.Check()the things he must or mustnt do.must mustnt1cleanupbedroomonceaweek2washupafterdinner3stayoutafter9pm4dohomeworkbeforegoingout5washhandsbeforedinner6playmusicloudlyafter10pm5Listenagain.Whattwothingsdoeshesayhecando?1_ 2_ _ Heca
15、ngooutwithhisfriendsatweekends.Hecanplaymusicloudlybeforetenoclockatnight.6Writesomethingsyoucan,mustandmustnotdoathome.Nowworkinpairs.Telleachotherthreethingsyoumustdoathomeandthreethingsyoumustntdo.Areyouhomerulesdifferentorthesame?e.g.Imustvisitmygrandparentsonceaweek.Imustntstayuplateintheevenin
16、g.IcanImustImustnot7Completethesentenceswiththewordsandexpressionsinthebox.baseballcapchesssetchopsticksdictionarypresent1Useyourtolookupanywordsyoudonotunderstand.2MostChinesepeopleeatnoodleswith_.dictionarychopsticks3Jennycouldnotwaittoopenherbirthday_.4Hethinksitiscooltowearhis_back-to-front.5Whe
17、reismy_?Letsplayagame.presentsbaseballcapchessset8Playagame.Chooseawordoranexpressionfromtheboxanddescribeittotheclass.Theclassguesseswhatitis.baseballcapbikechesssetchocolatechopsticksdictionaryfishandchipslitterphotovideogameA:Manypeoplehaveone.B:Isitachessset?A:No,Youuseittogettoplaces.C:Isitabik
18、e?A:Yes.Aroundtheworld TraditionalpresentsIntheWest,peopleoftentakeflowerswhentheyvisitsomeone.Differentflowershavedifferentmeanings.Forexample,peopleoftengiveredrosestosomeonetheylove.InGreeceyoumustnotgivewhiteflowersbecausethatmeansthatsomeoneisdead.Whenyougotoaforeigncountry,itisalwaysbesttochec
19、kwhatpeopleusuallydo,soyoudonotmakemistakes.9WritesomeadviceforforeignvisitorstoaChinesefamily.Thinkabout:Whatmusttheywear?Whatmustnttheytalkabout?Whatcanttheydo?Whatpresentscantheybring?Whenmusttheyarrive?10Workinpairs.ShowtheadviceyouwroteinActivity9toyourgroupmembers.Choosetwobestpiecesofadvice.1
20、1ShowtheadviceyourgroupchoseinActivity10tothewholeclass.Putthepiecesofadvicetogethertoformyourclassadvice.ThenSendyouradvicetoyourforeignfriendsorpostitonyourclassblog.Whenyougotoaforeigncountry,itisalwaysbesttocheckwhatpeopleusuallydosoyoudonotmakemistakes.当你去国外时,你最好打探好人们的日常行当你去国外时,你最好打探好人们的日常行为习惯,
21、那样就不会犯错。为习惯,那样就不会犯错。makeamistake“犯错犯错Itscarelessofhertomakesuchmistake.她犯这样的错误真是太粗心了。她犯这样的错误真是太粗心了。Thisisallnewtome,soletmeknowifImakeamistake.这是我的第一次这是我的第一次,所以错了请告诉我。所以错了请告诉我。Languagepoints一、根据句意及汉语提示,写出相应的单词。一、根据句意及汉语提示,写出相应的单词。1.Wearegoingtomakeashort_(逗留逗留)inDalian.2.Thestudentsarehavingaclass.D
22、ontmakeany_(噪音噪音).3.Thegirl_(倒倒)anothercupofteaforhergrandfather.4.Mycousinmadehiswaythroughthecrowdto_(打招呼打招呼)usatthestation.staynoisepouredgreetQuiz二、用所给单词的适当形式填空。二、用所给单词的适当形式填空。1.Jimworkedhardand_(catch)upwithothersfinally.2.Doyouknowthisman?Oh,yes,yes,heisthemanwhoI_(look)for.3.Sometimesheate_(s
23、andwich)intheofficeforlunch.4.Ireallydidntknowwhymyfather_(shout)atmeloudly.5.Therearemany_(visit)fromdifferentcountriestotheGreatWalleveryyear.caughtamlookingsandwichesshoutedvisitors三、用 can/cant/must/mustnt 填空。1.You_listentoyourteachercarefullyinclass.2.We_crosstheroadifthetrafficisbusy.3.Where_my
24、brotherbe?-He_beintheclassroom,becauseIsawhiminthelibraryjustnow.4.Students_copyothershomework.5.-She_speakEnglish.-So_I.mustmustntcancantmustntcancan四、填空。1.当你接受礼物时,你必须用双手。Whenyou_apresent,youmustuse_.2.英国的习惯是奇怪的。_inEngland_.3.记住家人和朋友的生日是重要的。Itsimportant_thebirthdaysof_and_.acceptboth handsTradition
25、sare strangeto rememberfamilyfriends4.中国人在举杯时说什么?_peopleinChina_whenthey_theirglasses?5.这和中国的婚礼是有很大差别的。Itwasvery_aChinesewedding.Whatdosayraisedifferent from1.这件毛衣与那件不同。这件毛衣与那件不同。(bedifferentfrom)2.明天你会按时到达吗?明天你会按时到达吗?(ontime)Thissweaterisdifferentfromthatone.Willyouarriveontimetomorrow?五、根据所给汉语及关键词
26、汇提示,完成五、根据所给汉语及关键词汇提示,完成下列句子。下列句子。3.他不是作家而是教师。他不是作家而是教师。(notbut)4.我们听到她在隔壁房间唱歌。我们听到她在隔壁房间唱歌。(heardoing)Heisnotawriterbutateacher.Weheardhersinginginthenextroom.1.You_stopwhenthetrafficlightturnsred.(2012贵州铜仁贵州铜仁)A.canB.hadbetterC.needD.must2.Mum,mustIstaytherethewholeday?(2012福建福州福建福州)No,you_.You_co
27、mebackafterlunch,ifyoulike.A.mustnt;canB.neednt;mustC.neednt;may六、单选六、单选3._Idothelaundryfirst?No,you_.Youcandoyourhomeworkfirst.(2012湖北黄冈湖北黄冈)A.Must;mustntB.Can;mustntC.Must;neednt4.CanIgotothepark,Mum?Certainly.Butyou_bebackbysixoclock.(2012山东泰安山东泰安)A.canB.mayC.mightD.must5.Dad,mustwewaituntiltheli
28、ghtbecomesgreen?(2013河南河南)Yes,Imafraidwe_.Thatsthetrafficrule.A.canB.mayC.havetoD.need6.Theresonlyonedaytogo.You_finishyourschoolworkbytomorrow.(2013江西江西)A.canB.willC.mustD.may7.MustIfinishmyhomeworknow?No,you_.Youcandoittomorrow.A.cantB.needntC.maynotD.mustnt8.Theresenoughtimeforyoutogototheairport
29、.You_hurrynow.(2012安徽省安徽省)A.shouldB.needntC.mustD.cant9.Mum,mustIwashthedishesrightnow?No,you_.(2012北京北京)A.shouldntB.wouldntC.mustntD.neednt10.Thatman_bemyEnglishteacher.HehasgonetoCanada.(2011湖南株洲湖南株洲)A.needntB.mustntC.cantHomeworkReadmorematerialsaboutforeigncultureandcustoms.Trytoreciteallthenewwordsinthisunit.