人教版英语九年级上册课件第四单元.pptx

人教版英语人教版英语九九年级上册年级上册单元课件单元课件Unit4 Iusedtobeafraidofthedark.Unit4 Iusedtobeafraidofthedark.1Focus2Section A-13Section A-24 Section B-15Section B-26.Self Check7.words and expressions（单击上面课题进入对应幻灯片）SectionAGrammarFocusThereweretimesweusedtoshareThereweretimesweusedtowalkaroundAllthejoythatlifewouldbringWecouldlaughatanythingButnowImallalone.IwonderwhereyouareIwonderhowyoufeelSotellmewhattodoTogetbackclosetoyouNowIneedtofindawayOrjustthewordtosayIwantyouherewithmeBackwhereweusedtobe.VenkeKnutson-I WonderYouusedtobeshort,didntyou?MariousedtobeAmyusedtobeTinausedtohaveHeusedtobereallyshort.Heusedtobesoshyandquiet.Readthesentencesbelow,payingattentiontotheunderlinedparts.Iusedtobeafraidofthedark.我过去怕黑。我过去怕黑。“usedto+动词原形动词原形”表过去的习惯或表过去的习惯或过过去经常反复发生的动作或状态，但现在去经常反复发生的动作或状态，但现在已经不再存在了。可用于所有人称。已经不再存在了。可用于所有人称。否定形式为否定形式为：usednotto+do或：或：didntusetodo疑问形式为疑问形式为：Usedto?或：或：Diduseto?Ididnt usetobepopularinschool.Didheusetobeshort?/Usedhetobeshort?Hedidnt usetobeshort./Heused nottobeshort.Youusedtobequiet,didntyou?你以前很文静，是不是你以前很文静，是不是?反意疑问句反意疑问句:陈述句陈述句,didnt/usednt+主语主语?beforenowPeopleusedtodumpwasteintotheriverandpollutedit.small,oldhousesnewflatsTheyusedtoliveinsmall,oldhouses.beforenowSheusedtogetupverylate.beforenowHeusedtobefat.2.Mymom/havecurlyhair/havestraighthair3.Jerry/readbooksonEuropeanhistory/readbooksonAfricancultureMymomusedtohavecurlyhair.Shedidntusetohavestraighthair.JerryusedtoreadbooksonEuropeanhistory.HedidntusetoreadbooksonAfricanculture.4aWritesentencesaboutthepastusingused to.4.Sandy/teachBritishEnglish/teachAmericanEnglishSandyusedtoteachBritishEnglish.ShedidntusetoteachAmericanEnglish.Lilyusedtohaveshorthair.变为一般疑问句变为一般疑问句:_._.进行肯定回答进行肯定回答:_.变为否定句变为否定句:_._.DidLilyusetohaveshorthair?/UsedLilytohaveshorthair?Yes,shedid./Yes,sheusedto.Lilydidntusetohaveshorthair./Lilyusednttohaveshorthair.完成句子完成句子1.她过去常常很安静。她过去常常很安静。She_veryquiet.2.我过去放学后常踢足球。我过去放学后常踢足球。I_soccerafterschool.usetobeusetoplay 句型转换句型转换1.Heusedtotakeawalkintheparkhere.(改为否定句改为否定句)He_/_totakeawalkintheparkhere.didntuseusednt2.Sheusedtohangoutwithfriendsonweekends.（改为一般疑问句并作肯定或否定（改为一般疑问句并作肯定或否定回答）回答）-_she_hangoutwithfriendsonweekends?-Yes，she_./-No,she_.3.Theboyusedtochewgumalot,_he?（完成反意疑问句）（完成反意疑问句）Didusetodiddidntdidnt/usednt根据括号内的要求完成下面句子根据括号内的要求完成下面句子,每空一词。每空一词。1.TomusedtowatchTV.(改为否定句改为否定句)Tom_watchTV.2.Helenusedtoplaycomputergamesaloteveryday.(改为一般疑问句改为一般疑问句)_Helen_playcomputergamesaloteveryday?3.Ericusedtobeverythin.(改为反意疑问句改为反意疑问句)Ericusedtobeverythin,_?didntuse/usednottoDidusetodidnt/usednthe比较：比较：be(get)usedtosth./doingsth.beusedto+doing：“对对已感到习惯已感到习惯”，或，或“习惯于习惯于”，to是是介词，后需加名词或动名词。介词，后需加名词或动名词。IfoundthejobtiringatfirstbutsoonIwas/gotusedtoit.Heisusedtoavegetariandiet.Scarfisusedtotakingawalk.知识链接知识链接SubjectbeusedtoNoun(phrase)/-ingformIYou/We/TheyHe/She/Itam(not)usedtoare(not)usedtois(not)usedtothehotweatherdrinkingcoffee.DrMaisusedtoworkingontheORBISplane.DrMaisusedtohisnewjobasanORBISdoctor.Iam(get)usedtotakingthebustoschool.Iam(get)usedtostudyingmorethan10subjectsaweek.Iam(get)usedtoeatinglunchat11:30p.m.Heusedto_inthesun,butnowheisusedto_atnight.A.read,readB.reading,readC.read,readingD.reading,reading解析解析考查固定结构的用法。考查固定结构的用法。usedto后接动词后接动词原形，原形，beusedto后接动名词。故选后接动名词。故选C。用括号内所给动词的适当形式填空。用括号内所给动词的适当形式填空。1.Mysisterusedto_(be)anurse.2.Imusedto_(wash)myfacewithcoldwater.3.Mypenfriendusedto_(speak)Japanese,butnowheisusedto_(speak)Chinese.bewashingspeakspeaking比较：比较：beusedtodosth.该句式表示该句式表示“被用于被用于(做某事做某事)”。注意。注意:句式句式中中used是是use的过去分词的过去分词,beused是被动语态是被动语态;to为不定式符号为不定式符号,后跟原形动词。例如后跟原形动词。例如:Dontthrowawaythepapers.Theycanbe used to makeafire.别扔掉这些报纸别扔掉这些报纸,它们可以用来引火。它们可以用来引火。Woodcanbe used to makepaper.木头可以用来造纸。木头可以用来造纸。知识链接知识链接 单项选择单项选择1.I_shortstraighthair,butnowIhavelongcurlyhair.A.usetobeB.usetohaveC.usedtohaveD.usedtobe2.She_listentoclassicalmusic,butnowshe_listeningtopopmusic.A.usedto;usedtoB.isusedto;isusedtoC.isusedto;usedtoD.usedto;isusedto3.Asweknow,elephants_someheavyjobs.A.areusedtodoB.areusedtodoingC.usedtoD.usedtodoing【2011兰州兰州】28.Maryisusedto_aT-shirtandjeans.A.wearB.putonC.wearingD.puttingon【解析解析】词义辨析。句意词义辨析。句意“玛丽习惯于穿玛丽习惯于穿T恤恤衫和牛仔裤衫和牛仔裤”，beusedtodoingsth.习惯于做习惯于做某事，因此排除选项某事，因此排除选项A、B，wear强调状态，强调状态，puton强调动作，由句意知此处表示状态，因强调动作，由句意知此处表示状态，因此选此选C。【2011苏苏州州】I_keepdogsforprotection,butnowIkeepthemaspets.A.wouldratherB.hadbetterC.usedtoD.haveto【解解析析】考考查查短短语语辨辨析析。wouldrather意意为为“宁宁愿愿”；hadbetter意意为为“最最好好”；usedto意意为为“过过去去常常常常”；haveto意意为为“必必须须”。根根据据后后句句句句意意“但但是是现现在在我我把把它它们们当当宠宠物物养养”，可知过去是养狗保护。故选，可知过去是养狗保护。故选C。【2012黔西南黔西南】Maryusedto_towork,butsheisusedto_toworknow.A.ridingabike,takingabusB.ridingabike,takeabusC.rideabike,takingabusD.rideabike,takeabus【解解析析】usedto后后接接动动词词原原形形；be/getusedto后接动名词形式。因此，选择后接动名词形式。因此，选择C答案。答案。C【2013湖北黄冈湖北黄冈】Howisyourgrandma?Shesfine.Sheusedto_TVathomeaftersupper.Butnowsheisusedto_outforawalk.A.watch;goB.watching;goC.watching;goingD.watch;going【解解析析】usedto“过过去去(常常常常)”，其其后后用用动动词词原原形形；beusedto“习习惯惯于于”，其其后后用用动动名名词词，故选故选D。D【2013黑黑龙龙江江绥绥化化】-MyauntgoesloclimbmountainseverySunday.-Oh?Butshe_hateclimbingmountains.A.usedtoB.wasusedtoC.isusedloA【2011山山东东省省烟烟台台】-HowdoesJackusuallygotoschool?-He_rideabike,butnowhe_theretoloseweight.A.usedto,isusedtowalkB.wasusedto,isusedtowalkingC.wasusedto,isusedtowalkD.usedto,isusedtowalkingD【2012四川宜宾四川宜宾】Mygrandma_usstorieswhenIwasyoung.A.wasusedtotellB.isusedtotellingC.usedtotellD.usedtotellingCSectionAPeriod1(1a2d)Howdowedescribepeople?shorthair短头发短头发long/blackhair长长/黑色头发黑色头发cheerfullooking可爱的长相可爱的长相curlyhair卷发卷发bald光头的光头的tallshortstrong/heavy强壮的强壮的/重的重的thin瘦的瘦的shy怕羞的怕羞的outgoing外向的外向的/好交际的好交际的quiet文静的文静的wearglasses戴眼镜戴眼镜wearcontactlenses戴隐型眼镜戴隐型眼镜friendly友好的友好的serious严肃的严肃的funny有趣的有趣的AppearancePersonalitytalloutgoingstraighthairfunnybeautifulblackdirtyhungrysadtiredangrycarefulhappyhard-workingstrangenoisyFillinthechartwithwordstodescribepeople.Doyoulikethem?Canyoudescribethemwhattheyusedtolooklike?选词完成句子选词完成句子1.Heusedtobe_,butnowheisoutgoing.2.Iusedtobe_,butnowIamtall.3.Sheis_,buthertwinsisterisalittleshy.4.Youshouldbe_toachievesuccess.short,hard-working,quiet,play,outgoingquietshortoutgoinghard-working1bListen.Bobisseeingsomefriendsforthefirsttimeinfouryears.Whatdidhisfriendsusetolooklike?1.Mariousedtobe.Heusedtowear.2.Amyusedtobe.Sheusedtohavehair.3.Tinausedtohaveandhair.shortglassestallshortredcurlyListenagainandanswerthequestions.1.HowlongwillBobstay?2.Hewillstayforacoupleofdays.A:Didsheuseto?B:Yes,shedid.SheusedtoA:Whatsshelikenow?B:Shesnow.A:Didheuseto?B:Yes,hedid.HeusedtoA:Whatshelikenow?B:Hesnow.A:Didheuseto?B:Yes,hedid.HeusedtoA:Whatshelikenow?B:Hesnow._friendly_outgoing_serious_humorous_silent_active_brave_quiet_helpful2aListenandcheck()thewordsyouhear.2bListenagainandcompletethechartabouthowPaulahaschanged.1.Paulausedtobereally_.Shewasalwayssilentinclass.Shewasntvery_.Shewasneverbraveenoughtoaskquestions.2.Shegotgoodgradesin_.Shewasalsogoodin_.Sheusedtoplaythe_.1.Nowshesmoreinterestedin_.Sheplays_almosteveryday.Shesalsoona_team.2.Shestillplaysthe_fromtimetotime.In the pastNowquietoutgoingsciencepastpianopastpastpastpianoA:Iusedtobereallyquiet.B:Iknow.Nowyoureveryoutgoing.Makeconversationsaboutyourselforotherpeople.HeusedtoNowhe2dReadandanswerthequestions.Theyarehavingaparty.1.Whataretheydoing?2.Whoaretheytalkingabout?3.WhatdidBillyusetobe?TheyaretalkingaboutBilly.Heusedtobeshy,quietandthin.Readandthenrole-playtheconversation.1.youusedtobeshort,didntyou？(1)usedto意为意为“过去常常；以前经常过去常常；以前经常”，后，后接动词原形，表示过去的习惯动作或状态，接动词原形，表示过去的习惯动作或状态，暗指现在此状态不存在了或动作不发生了。暗指现在此状态不存在了或动作不发生了。HeusedtoliveinParis.他过去一直住在巴黎。他过去一直住在巴黎。注意：其中的注意：其中的to是不定式符号，而不是介词，是不定式符号，而不是介词，所以其后只接动词原形所以其后只接动词原形(不能接动名词不能接动名词)。Languagepoints(2)usedto的一般疑问句、附加疑问句常借助的一般疑问句、附加疑问句常借助于助动词于助动词did/didnt,也可用也可用used/usednt。Heusednt/didntusetocome.他过去不常来。他过去不常来。Youusedtogothere,usednt/didntyou?你过去常到那儿去，是吗你过去常到那儿去，是吗?He_listentopopmusic,butnowhe_dancing.A.isusedto;usedtoB.useto;isusedtoC.usedto;isusedtoD.usedto;usedto【点拨点拨】选选C。句意：他过去常听流行音乐，。句意：他过去常听流行音乐，但现在他习惯于跳舞。但现在他习惯于跳舞。Heusedto_inthesun,butnowheisusedto_atnight.(2007兰州市兰州市)A.read;readB.reading;readC.read;readingD.reading;reading【点拨点拨】usedtodosth.意为意为“过去常常做某过去常常做某事事”，而，而be/getusedtodoingsth.意为意为“习惯习惯于做某事于做某事”。根据本题句意。根据本题句意“他过去常常在阳他过去常常在阳光下看书，但现在习惯在夜晚看书。光下看书，但现在习惯在夜晚看书。”可知，可知，正确答案为正确答案为C。2.Whatshelikenow?Whatshelike?相当于相当于Whatdoeshelooklike?，意思是，意思是“他长什么样？他长什么样？”-Whatshelike?-Heistallandthin.Whats.like?还可以用来询问还可以用来询问“某事、某某事、某物或者某人怎么样物或者某人怎么样?”WhatsSpringlikeinyourhometown?你们家乡的春天是怎样的？你们家乡的春天是怎样的？WhatsTimlike?Tim这个人怎么样？这个人怎么样？Whatstheweatherliketoday?今天天气怎样？今天天气怎样？知识链接知识链接3.silentadj.不说话的；沉默的不说话的；沉默的Shewasasilentgirl.她是一个沉默寡言的女孩。她是一个沉默寡言的女孩。Doyouknowwhentokeepsilent?你知道什么时候该保持沉默吗你知道什么时候该保持沉默吗?WillyoupleasekeepsilentaboutwhatIdid?请你别把我做的事说出去好吗请你别把我做的事说出去好吗?【2011本溪】本溪】Sallyis_inclassnow,butsheusedtobeaveryshygirl.A.honestB.silentC.quietD.active【2012山东济宁】山东济宁】Annkepts_alldaybecausehislittlebrotherbrokehertoybear.Dsilentquiet,calm,silent,still,peaceful这些形容词这些形容词均含均含“平静的，无声无息平静的，无声无息”之意。之意。quiet普通用词，指没有喧闹、活动或骚乱普通用词，指没有喧闹、活动或骚乱的寂静状态。的寂静状态。calm普通用词，既可指天气、海洋等的平普通用词，既可指天气、海洋等的平静状态，又可指人的镇定沉着、不慌乱，不静状态，又可指人的镇定沉着、不慌乱，不受外界影响和情绪支配。受外界影响和情绪支配。silent普通用词，指缄默不语或无声无息。普通用词，指缄默不语或无声无息。still指平静而又安定的状态。指平静而又安定的状态。peaceful普通用词，指一种不受外物扰乱和普通用词，指一种不受外物扰乱和刺激的内在宁静或和平状态。刺激的内在宁静或和平状态。4.fromtimetotime时常；有时时常；有时Hewentfishingfromtimetotime.他有时去钓鱼。他有时去钓鱼。【近义词近义词】attimes有时有时onceinawhile偶尔偶尔nowandthen时而时而他偶尔会来看我。他偶尔会来看我。Hecametoseemefromtimetotime.与时间有关的短语与时间有关的短语：ontime准时准时intime及时及时allthetime总是总是aheadoftime提前提前atonetime曾经，一度曾经，一度atanytime随时随时atnotime绝不绝不innotime立刻，马上立刻，马上since作作“自自.以来以来,从从.至今至今”的意思的时的意思的时候候，主句用完成时态，主句用完成时态，分句则用过去分句则用过去时。时。Ithasbeenfiveyearssincewelastmet.自从我们上次碰面至今已经有五年的自从我们上次碰面至今已经有五年的时间了。时间了。5.Itsbeenthreeyearssincewelastsawourprimaryschoolclassmates.(2009绵阳中考绵阳中考)Myunclehasbeenteachinginthisschool_hewastwentyyearsold.A.sinceB.forC.untilD.after【解析解析】考查考查since引导的时间状语从句。引导的时间状语从句。结合题意结合题意“我的叔叔自从二十岁以来就一直我的叔叔自从二十岁以来就一直在这所学校教书在这所学校教书”，可排除，可排除B、C、D三项，三项，选选A。A.单项选择单项选择1.-Howdoyouoftengotoschool?-I_walkbutItakeabusnow.A.amusedtoB.usedtoC.usetoD.amused2.Tinadoesntlikegoingout.Shesvery_.A.funnyB.activeC.quietD.outgoingBC3.-Dontyoulikeplayingbasketball?-_.Ilikeplayingsoccer.A.Yes，IdoB.No，IdontC.Yes，IdontD.No，Ido4.Sheusedto_fewfriends,butnowshehasmanyfriends.A.beB.havingC.hasD.haveBD5.Heis_inplayingtheguitarbecausehefindsit_.A.interesting；interestingB.interesting；interestedC.interested;interestingD.interested；interestedC.句型转换句型转换1.Sheusedtobeshy.(改为一般疑问句改为一般疑问句)_she_beshy?2.Heusedtospendlotsoftimeplayingcomputergames,_?(完成完成反意疑问句反意疑问句)Didusetodidnthe/usednthe3.Sheusedtoplaythepiano.(改为否定句改为否定句)She_playthepiano.4.ThegirlhasagreatinterestinlearningEnglish.(改为同义句改为同义句)Thegirlisvery_learningEnglish.5.-DontyoubelievewhatIsaid?(作肯定回答作肯定回答)-_,_.didntusetointerestedinYesIdoSectionAPeriod2(3a3c)Useused toandnowtodescribethefollowingpictures.IusedtoButnowIspreadtoysalloverthegroundkeeptoysinorderIusedtoButnowIsleepinclasslistentotheteachercarefullyIusedtoButnowIdrinkalotstopdrinking IusedtoButnowINocommunicationwithfamilymembers.Whatsyourproblem?Whatsyourproblem?Beingtooshytotalkwithothers.Beingafraidofspeakinginfrontofcrowds.Whatsyourproblem?Havingtoomuchhomework.Whatsyourproblem?Whatsyourproblem?Havingnotimetoplay.Whatsyourproblem?Icantgetwellwithothers._howCandyslifehaschanged_Candysadvicetoyoungpeople_CandysbackgroundReadquicklyandnumbertheinformation【1-3】.1.HowoldisCandyWang?2.Whydidshebegintosing?Readagainandanswerthequestions.Sheis19yearsold.Shetookupsingingtodealwithhershyness.3.WhatdoesCandythinkaboutbeingfamous?4.Whatdoesshethinkyourequiretosucceed?Therearemanygoodthings,butalsobadthings.Yourequirealotoftalentandhardworktosucceed.1.Sheusedtobeshy,butnowshesnotshy_.2.Shedidntuseto_inschool,butnowshegetslotsofattention.3.Sheusedto_withfriends,butitisalmostimpossiblenow.4.Shedidntuseto_howsheappearstoothers,butnowshedoes.ReadandcompletethesentencesaboutCandy.anymorepopularhangoutworryaboutWhatcanwelearnfromCandytodealwithourproblems?EnjoyasongI Have A DreambyWESTLIFE.1.tookupsingingtodealwithhershyness.takeup开始；从事开始；从事 WhendidyoutakeupJapaneseasasecondforeignlanguage?你什么时间开始选修日语作为第二语言你什么时间开始选修日语作为第二语言?Heleftajobinthecitytotakeupfarming.他辞去城里的工作，开始务农。他辞去城里的工作，开始务农。LanguagepointsJackysmotherwassurprisedtoseeherson_allthefoodonthetablequickly.A.eatupB.lookupC.takeupD.giveup假如你想从事这项工作，你必须先接受三假如你想从事这项工作，你必须先接受三个月的训练。（个月的训练。（takeup）AIfyouwanttotakeupthisjob,youmustfirstreceivethreemonthstraining.takeup还有还有“接受接受(提议提议)；占用占用”等意思等意思 Youshouldtakeupmysuggestionandstartsavingmoney.你应该接受我的建议你应该接受我的建议,开始存钱。开始存钱。IknowhowbusyyouareandIwouldnttakeuptoomuchofyourtime.我知道您忙，我不我知道您忙，我不会会占用您太多的时间。占用您太多的时间。知识拓展知识拓展takeoff脱掉；起飞脱掉；起飞takeaway拿走拿走takein吸收，领会吸收，领会takeoffice就职就职takedown记录；取下记录；取下takeback收回收回takeout带出；清除带出；清除takechargeof负责负责takesth.forgranted认为认为是理所当然的是理所当然的takeholdof抓住抓住takepridein以以为自豪为自豪taketheplaceof代替代替taketurnstodo轮流做轮流做Theplanewill_fromBeijingCapitalAirportandlandinLondon.A.takeupB.takeoutC.takeawayD.takeoffDdealwith在这里意为在这里意为“处理，对付处理，对付”,此外还有此外还有“讨论；讨论；与与交易交易”的意思。的意思。Ihaveamatterofimportancetodealwith.我有要事要处理。我有要事要处理。Haveyouanygoodideaabouthowtodealwiththisdifficulty?处理这种困难你有什么好想法吗？处理这种困难你有什么好想法吗？WhenIworkedinFlorida,IdealtwithBritishpeopleallthetime.在佛罗里达工作时在佛罗里达工作时,我总与英国人有生意往我总与英国人有生意往来。来。dowith和和dealwith dowith常与连接代词常与连接代词what连用，而连用，而dealwith常与连接副词常与连接副词how连用。如：连用。如：Idontknowhowtheydealwiththeproblem.=Idontknowwhattheydowiththeproblem.我不知道他们如何处理这个问题。我不知道他们如何处理这个问题。知识链接知识链接用用dealwith或或dowith填空。填空。Canyoutellmehowto_it?Ireallydontknowwhatto_it.你怎么处理那台旧电视的？你怎么处理那台旧电视的？(两种翻译两种翻译)dealwithdowithHowdidyoudealwiththeoldTVset?WhatdidyoudowiththeoldTVset?_didyou_yourpocketmoney?IsentittothechildreninSichuan.A.What;dealwithB.How;dotoC.What;dealtoD.How;dealwithD2.shedaredtosinginfrontofherclass,.dare在在这里用作实义动词。这里用作实义动词。dare用作实义动词时用作实义动词时,有时态和人称的变化有时态和人称的变化,用用do、does或或did来构成否定句或疑问句。来构成否定句或疑问句。Goaheadanddiveifyoudare.如果你敢，尽管跳下水去如果你敢，尽管跳下水去Shedidnotdaretolookathim.她不敢朝他看。她不敢朝他看。dare用作情态动词用作情态动词,一般用于疑问句、否定句一般用于疑问句、否定句或条件句或条件句,或与或与hardly,never,noone,nobody等连用。有时态变化等连用。有时态变化,但没有人称形式的变化但没有人称形式的变化,其后接动词原形。构成疑问句和否定句时不其后接动词原形。构成疑问句和否定句时不用助动词用助动词do。Wedarenotlookathereyes.我们不敢看她的眼睛。我们不敢看她的眼睛。Howdareyouaskmesuchaquestion?你怎敢问我这样的问题你怎敢问我这样的问题?知识链接知识链接I_youbecauseIthoughtImustbewrong.A.darenotaskB.darenottoaskC.darenotaskingD.daretonotaskA她晚上不敢一个人出去。她晚上不敢一个人出去。(两种翻译两种翻译)Shedarenotgooutaloneatnight.Shedoesntdaretogooutaloneatnight.3.becausetherearealwaysguardsaroundme.guardn.哨兵；警戒；防护装置；警卫哨兵；警戒；防护装置；警卫 Theguardwontletyouinifyoudontshowhimyourpass.如果你不出示通行证如果你不出示通行证,哨兵不会让你进去的。哨兵不会让你进去的。Alltheprisonersareundercloseguard.所有的犯人都在严密的看守之下。所有的犯人都在严密的看守之下。Minersworeahelmetasaguardagainstfallingrocks.矿工头戴钢盔矿工头戴钢盔,防备落下的岩石。防备落下的岩石。guardv.守卫；保卫守卫；保卫 Thedogguardedthehouseagainststrangers.狗守卫着房屋，不让陌生人进去。狗守卫着房屋，不让陌生人进去。Iwillguardyoufromalldangers.我会保护你我会保护你,使你不受任何危险。使你不受任何危险。Youmustguardagainstcatchingacold.你必须小心以防感冒。你必须小心以防感冒。知识拓展知识拓展4.youhavetobepreparedtogiveupnormallife.preparedadj.准备好的；准备好的；愿意的愿意的Hewaspreparedtoleavethecountry.他打算离开这个国家。他打算离开这个国家。Hopeforthebestbutbepreparedfortheworst.抱乐观的希望，作最坏的准备。抱乐观的希望，作最坏的准备。Iampreparedtolendyouthemoneyifyoupromisetopayitb