搜索
handv.交；递，给handin上交，递交Andydoesn'tknow______________.whattowearMiliecan’tdecide___________________.whichbooktobuyTheydon’tknow____________tothestation.howtogoWecanuseaquestionwordwithato-infinitiveafteraverb.e.g.Milliehasdecidedwhattoread.Danieldidnotsaywhototalktoaboutthisbook.Simonforgotwhentomeethisfriends.Kittycannotdecidewhichtochoosefirst.Sandyiswonderingwheretoaskforhelp.Amydoesnotknowhowtowritethereport.疑问词+动词不定式做动词的宾语。疑问词也包括疑问代词what,which,who和疑问副词how,when,where。Wh-word+Todosth常放在know,learn,see,hear,ask,tell,decide,explain,findout,forget,remember,understand等动词后面使用,整体作为这些动词的宾语。Allquestionwordscanbeusedinthisway,exceptwhy.Suzywillexplainwhytorecommendthisbook.Suzywillexplainwhysherecommendthisbook.√×Advisesb,asksb,showsb,teachsb,tellsb后面也可以跟wh-word+todosth结构作为宾语补足语。e.g.MrWuadviseduswhichtochooseasafter-schoolactivities.Thestudentsaskedtheirteacherwhentohandintheirwork.Millieshoweduswhattodonext.Danieltaughthimselfhowtouseacomputertodraw.Don’tforgettotellyourmumwheretomeetyou.Wecanuseanounafterwhat,which,whose,howmanyandhowmuch.e.g.Theyarediscussingwhichcolortopaintthewalls.Youcanaskyourparentshowmuchmoneytotakewithyou.benotsurebenotclear等系表结构后面也可以跟wh-word+todosthe.g.Suzywasnotsurewhotoaskforhelp.Areyouclearwhentomeetatthegatetomorrow?用所给词的适当形式填空1.Simondoesnotknowwhat________(do).2.Sandywantstoknowwhere________(ask)foradvice.3.Milliedoesnotknowhow__________(solve)herproblems.4.Simonjustforgotwhen_________(meet)hisfriends.5.Youshoulddecidewhen_________(work)andwhen_________(play).6.Paulknowswho___________(talk)toforhelp.7.Pleasetellmewhere_________(get)help.todotoasktosolvetomeettoworktoplaytotalktoget1.WhenIgointotheclothesshop,Ialwayscan’tdecide______onetobuy.2.Mygrandfatherdoesn’tknow______touseacomputer.3.---Willyoupleaseshowme_____todriveacar?---Yes,ofcourse.Nowletmetellyou_____todofirst.4.IwilltellLucy______and_______tomeet.whichhowhowwhatwhenwhereII.选用how,which,what,when,where填空。“疑问词+动词不定式”结构在句中还可以作主语和表语。Howtousethemachineisaproblem.（作主语）Theproblemiswhentogothere.（作表语）“疑问词+动词不定式”结构可以改写成由该疑问词引导的从句。e.g.Idon’tknowwhattodo.=IdonotknowwhatIshoulddo.我不知道该做什么。注意：所有疑问句中，只有why不可以与动词不定式连用。AmyandDanielaretalkingabouttheirReadingWeek.Completetheirconversation.Usethecorrectquestionwordsandto-infinitives.(P.55)Amy:MrWuhasrecommendedsomanyinterestingbooks.Haveyoudecided(1)____________first,Daniel?Daniel:Yes.IwanttoreadBlackBeautyfirst.ButIdon’tknow(2)___________thebook.how,what,askfor,findwhen,where,handin,readwhich,who,speak,travel,writeaboutwhichtoreadwheretofindAmy:YoucantryourschoollibraryorSunshineLibrary.Oh,didyouknowPeterisreadingAroundtheWorldinEightyDays?Hewantstofindout(3)____________aroundtheworldinsuchashorttime.Daniel:Wow,that’samazing!Bytheway,canyoutellme(4)______________ourbookreport?howtotravelwhentohandinAmy:BeforenextFriday.I’mstillnotsure(5)_________________inthereport.Daniel:Youcanwriteanythingaboutyourbook–whatthebookisabout,whatyouthinkofitandsoon.Youshouldreadsomereviewsaboutthebookbeforewriting.whattowriteaboutAmy:Thankyou.Anyway,Iknow(6)______________helpwithwriting.MrWuisalwaystheretohelpus.whotoaskforWeusemustandhavetotosaythatitisnecessarytodosomething.Weusemustwhenthespeakerfeelsthatsomethingisnecessary.e.g.“Imustrunawayfromthem,”Gulliverthought.Weusehavetowhenthesituationmakessomethingnecessary.e.g.Ihavetousethemtoreachtheboxonthefridge.Shehastotakeherdaughterfromschoolintheafternoon.Weusemustnottosaythatsomethingisnotallowed.e.g.Youmustnotsmokeinthelibrary.Weusedonothavetotosaythatitisnotnecessarytodosomething.e.g.Wedonothavetogotoschoolatweekends.must表主观的义务和必要，主要用于肯定句和疑问句，“必须，得，要”。e.g.Youmustfinishyourhomeworktoday.你今天必须完成家庭作业。must的否定形式mustnot表示禁止，“不能，不行”。e.g.Youmustnotsmokehere.你不能在这里抽烟。haveto表一种客观的需要，“不得不”。haveto有人称和数的变化。e.g.Itisgettingdark.Hehastogohomenow.天快黑了，你现在得回家了。haveto的否定形式donothaveto,相当于neednot。e.g.Theydonothavetobuyacomputeratthemoment.他们目前没有必要买电脑。e.g.Hedoesnothavetogo.他不必走。注意：must还可以表示肯定猜测，意思是“一定”。否定的猜测是can’t。e.g.Youmustbehungryafterallthatwalking.走了那么远的路，你一定饿了吧。Thatcan’tbeLucy.ShehasgonetoAmerica.那肯定不是Lucy，她已经去了美国。AmyistellinghercousinShirleysomelibraryrules.Completewhatshesayswithmust,mustnot,havetoordon’thaveto.You(1)_____keepquietinthelibrary.You(2)_____keepthebookscleanandtidy.You(3)_______draworwriteonthebooks.mustmustmustn’tYou(4)_______eatordrinkinthelibrary.You(5)_____returnthebooksontime.Ifyouwanttokeepthemlonger,you(6)______renewthem.You(7)____________bringyourstudentcardeverytimeyougotothelibrary,butremembertobringyourlibrarycard.mustn’tmusthavetodonothaveto1.I’mgoingonafieldtripbutIhaven’tdecided______.(2007河南)A.whattodoB.todowhatC.wheretogoD.togowhere2.Excuseme.Wouldyoupleasetellme______buyadigitalcamera?(2007安徽)A.whattoB.wheretoC.whatIcanD.wherecanII.单项选择。3.—Thisphysicsproblemistoodifficult.Canyoushowme______,WangLin?—Sure.(2008陕西)A.whattoworkitoutB.whattoworkoutitC.howtoworkitoutD.howtoworkoutit4.—WeneedanewleaderforourHelpingHandsClub,butIdon’tknow______.—WhynotMary?Sheisalwayswillingtohelpothers.(2011江苏南通)A.whattochooseB.howtochooseC.whentochooseD.w