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Ididn'tknowwhere.Ididn'tknowwhatbeforegoing.Iwonderedwho.Iwonderedwhen.Icould'tdecidewhichfirst.Icould'tdecidehow.togotopreparetocomewithmetosetofftotakewithtochoosetherouteV+疑问词+todoHaveatry:Milliehasdecided__________________.(该读什么)Danieldidnotsay_________________aboutthisbook.（该和谁交谈）Simonforgot__________________hisfriends.（该什么时候见）Kittycannotdecide_____________________first.（该选哪一个）Sandyiswondering___________________forhelp.（该去哪求助）Amydoesnotknow_______________thereport.（该如何写）whattoreadwhototalktowhentomeetwhichtochoosewheretoaskhowtowriteLet’spayattentiontowhotakesaction.疑问词+todo构成简单句，这个简单句的主语(subject)与主句的主语一致IreadabookGulliver’sTravelsduringmytrip.Iwanttointroduceit.ThebookisaboutGulliver’stripsinsomestrangecountries.Alotofamazingthingshappenedtohim.Andhealsohadalotofdifficulty.It’sexcitingandinteresting.Hedidn’tknowwherehecouldfindotherpeople.wheretofindotherpeopleHedidn’tknowhowhecouldbreaktheropes.howtobreaktheropesHewonderedwhohecouldaskforhelp.whotoaskforhelpAtlast,hefoundoutwhathecoulddowiththetinymen.whattodowiththetinymenAndhedecidedwhenheshouldleaveLilliput.whentoleaveLilliputAllquestionwordscanbeusedinthisway,except“why”Suzywillexplainwhytorecommendthisbook.Suzywillexplainwhysherecommendsthisbook.√×foodieguiderFoodieguiderisausefulbook.It’sallaboutwhattoeat.Thereisalsoamapattheendofthebook.Ittellsyouwheretofindnicefood.Italsoshowsyouwhichbustotake.V+宾语+疑问词+todoV+宾语+疑问词+todoadvise,ask,decide,discussfindout,forget,know,learnremember,say,show,teachthink,understand,wonder1.MrWu_______________________________asafter-schoolactivities.（建议我们该选哪个）2.Thestudents______________________________theirwork.（问他们的老师何时上交）3.Millie____________________________.（向我们展示下一步如何做）4.Daniel__________________________acomputertodraw.（教他自己如何使用）5.Don’tforgetto______________________________you.（告诉你妈妈该在哪见）adviseduswhichtochooseaskedtheirteacherwhentohandinshoweduswhattodonexttaughthimselfhowtousetellyourmumwheretomeetHaveatry:Foodieguiderisausefulbook.It’sallaboutwhattoeat.Thereisalsoamapattheendofthebook.Ittellsyouwheretofindnicefood.Italsoshowsyouwhichbustotake.V+疑问词+n+todowhatwhichwhosehowmany/howmuchEg:我们还没决定住哪个房间。Wehaven’tdecidedwhichroomtolivein.他们在讨论暑假去多少个地方游玩。Theyarediscussinghowmanyplacestovisitinthesummerholiday.PS:Duringthetrip,I’mnotsurehowmuchmoneytotake.ButIthinkthemore,thebetter.adj+疑问词+todo在“疑问词+动词不定式”结构前，有时也可以是如sure,clear等的形容词。Eg:1.我不确定怎样照顾电子狗。2.你清楚下一步该做什么吗？I’mnotsurehowtolookafterane-dog.Areyouclearwhattodonext?Let’sworkouttherules1.动词+疑问词+todo2.动词+宾语+疑问词+todo3.动词+疑问词+名词+todo4.形容词+疑问词+todoAndydoesn‘tknow_____________.(穿什么)whattowear看图完成句子。Milliecan’tdecide_________________.(买哪本书)whichbooktobuyTheydon’tknow_________tothestation.(如何去)howtogoIdon’tknowhow_______________fromalibrary.(借书)toborrowbooksAmy:MrWuhasrecommendedsomanyinterestingbooks.Haveyoudecided________________first,Daniel?Daniel:Yes.IwanttoreadBlackBeautyfirst.ButIdon’tknow_______________thebookfirst.Amy:YoucantryourschoollibraryorSunshineLibrary.Oh,didyouknowPeterisreadingAroundtheWorldinEightyDays?Hewantstofindout_________________aroundtheworldinsuchashorttime.whichtoreadwheretofindtravelhowtohowwhatwhenwherewhichwhoaskforfindhandinreadtravelwriteaboutP55Daniel:Wow,that’samazing!Bytheway,canyoutellme_______________ourbookreport?Amy:BeforenextFriday.I’mstillnotsure_____________________inthereport.Daniel:Youcanwriteanythingaboutyourbook—whatthebookisabout,whatyouthinkofitandsoon.Youshouldreadsomereviewsaboutthebookbeforewriting.Amy:Thankyou.Anyway,Iknow__________________Helpwithwriting.MrWuisalwaystheretohelp.whowhatwhenaskforhandinwriteaboutwhentohandinwhattowriteaboutwhotoaskforWinterholidayiscoldandsnowy.SoIhavetodriveslowlyandcarefullyduringmytrip.Althouhgthetrafficisbusy,Imustobeytrafficrulesduringmytrip.havetosituationthesituationmakessomethingnecessary.mustfeelingthespeakerfeelsthatsomethingisnecessary.Winterholidayiscoldandsnowy.SoIhavetodriveslowlyandcarefullyduringmytrip.thespeakerfeelsthatsomethingisnecessary.thesituationmakessomethingnecessaryABAlthouhgthetrafficisbusy,Imustobeytrafficrulesduringmytrip.Ididnothavetohurrytodrivethecar.AndifIruntheredlight,thepolicemanmaysay‘Youmustn’tdoit.’somethingisnotallowed(允许)itisnotnecessarytodosomethingAB不必禁止我必须努力学习功课。Imustworkhardatmylessons.我得在家照看妈妈，因为她病了。Ihavetolookaftermotherathome.Becausesheisill.我们不必等他。他已经走了。Wedon’thavetowaitforhim.Hehasleft.这里禁止游泳。Youmustn’tswimhere.Moreexamplesmust表示“有义务”，“必须”做某事，强调说话人的主观看法，主要用于肯定句和疑问句，“必须，得，要”。e.g.你今天必须完成家庭作业。Youmustfinishyourhomeworktoday.must的否定形式mustn’t,表示禁止:“不准”。e.g.课堂上你们不许发出噪音。Youmustn’tmakeanynoiseinclass.•Must引导的一般疑问句的回答：eg.MustIgonow?肯定回答：Yes,youmust.否定回答：No,youneedn’tNo,youdon’tneedtoNo,youdon’thaveto(不必)haveto表示一种客观的需要，“不得不”。有人称和数的变化。e.g.天快黑了，他现在得回家了。Itisgettingdark.Hehastogohomenow.haveto的否定形式donothaveto,相当于neednot/donotneedto.e.g.他们目前没有必要买电脑。Theydonothavetobuyacomputeratthemoment.Canyoufollowthelibraryrules(准则)?CompletetherulesofReadingWeekwithmust,mustnot,havetoordon’thaveto.You(1)_____keepquietwhenreading.You(2)_____keepthebookscleanandtidy.You(3)__