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1、Unit 4 A good readUnit 4 A good readGrammar 1 Grammar 1 Tolearntousequestionwords+to-infinitivesTolearntousemustandhave tohandhandinandsoonreviewreturnontimerenewvi.交；递，给交；递，给上交，递交上交，递交等等等等n.评论评论vt.归还归还准时准时vt.续借；更新；重新开始续借；更新；重新开始WordsandphrasesreviewLookatthefollowingsentences.1.Somedogsjustdontknow
2、howtohavefun.(七年级上册七年级上册U4)2.Imthinkingaboutwhattowear.(七年级上册七年级上册U8)3.Eddie,Ithinkwehavetogoupagain.(七年级下册七年级下册U4)4.Wedonthavetofeedhermuch.(七年级下册七年级下册U8)5.Haveyoudecidedwhattodowiththesebooks,Hobo?(P48)6.Ihavetousethemtoreachtheboxonthefridge.(P48)7.Ididnotknowwhattosayeither.(P51)8.“Imustrunawayf
3、romthem,”Ithought,butIdidnotknowhowtogetaway.(P51)Gulliverdidntknowwhattosay.Gulliverdidntknowhowtogetaway.Use a question word with a to-infinitive after a verb. Using question words + to-infinitives1.Millie has decided .(读什么)2.Daniel didnt say .(与谁聊天)3.Simon forgot .(何时与朋友见面)4.Sandy is wondering .(
4、去哪里寻求帮助)5.Amy doesnt know .(如何写报告)what to readwho to talk towhen to meet friendswhere to ask for helphow to write the reportAll question words can be used with a to-infinitive, except why.She will explain why to recommend this book.She will explain why she recommends this book.e.g.Milliehasdecidedwh
5、attoread.Danieldidnotsaywhototalktoaboutthisbook.Simonforgotwhentomeethisfriends.Kittycannotdecidewhichtochoosefirst.Sandyiswonderingwheretoaskforhelp.Amydoesnotknowhowtowritethereport.Letspayattentiontowhotakesaction.疑问词疑问词+to do 构成简单句，这个构成简单句，这个简简单句的主语单句的主语(subject)与与主句的主语主句的主语一一致致Iwonderwhentheme
6、etingwillend.Hedoesntknowwhathecandonext.Tomshowedushowthepolicecaughtthethief.Nobodycantellwheretheplanehasgone.Heisinterestedinhowhecanlookafterapet.Hedidntknowwherehecouldfindotherpeople.wheretofindotherpeopleHedidntknowhowhecouldbreaktheropes.howtobreaktheropesHewonderedwhohecouldaskforhelp.whot
7、oaskforhelpAtlast,hefoundoutwhathecoulddowiththetinymen.whattodowiththetinymenAndhedecidedwhenheshouldleaveLilliput.whentoleaveLilliputIonlycareaboutwhattoeat.Iwanttointroducefoodie guider .Foodie guider isausefulbook.Itsallaboutwhattoeat.Thereisalsoamapattheendofthebook. Ittellsyouwheretofindnicefo
8、od.Italsoshowsyouwhichbustotake.V V+ + 宾语宾语+ + 疑问词疑问词+ + to do to do V + 宾语宾语+ 疑问词疑问词+ to doadvise,ask,decide,discussfindout,forget,know,learnremember,say,show,teachthink,understand,wonderFoodie guider isausefulbook.Itsallaboutwhattoeat.Thereisalsoamapattheendofthebook. Ittellsyouwheretofindnicefood
9、.Italsoshowsyouwhichbustotake.V+疑问词疑问词+n+ to dowhatwhichwhosehow many/how muchEg:我我们还没决定住哪个房没决定住哪个房间。Wehaventdecidedwhichroomtolivein.他他们在在讨论暑假去几个地方游玩。暑假去几个地方游玩。Theyarediscussinghowmanyplacestovisitinthesummerholiday.PS: Im not sure how much money to take. The book doesnt mention(提提及及) it. I think t
10、he more, the better.adjadj+ + 疑问词疑问词+ + to doto do在在“疑问词疑问词+动词不定式动词不定式”结构前，有结构前，有时也可以是如时也可以是如sure,clear等的形容词。等的形容词。Eg:1.我不确定怎我不确定怎样照照顾电子狗。子狗。2.你清楚下一步你清楚下一步该做什么做什么吗？Imnotsurehowtolookafterane-dog.Areyouclearwhattodonext?Lets work out the rules1.动词动词+疑问词疑问词+to do2.动词动词+宾语宾语+疑问词疑问词+to do3.动词动词+疑问词疑问词+名
11、词名词+ to do4.形容词形容词+ 疑问词疑问词+ to do Amy:MrWuhasrecommendedsomanyinterestingbooks.Haveyoudecided_first,Daniel?Daniel:Yes.IwanttoreadBlackBeautyfirst.ButIdontknow_thebookfirst.Amy:YoucantryourschoollibraryorSunshineLibrary.Oh,didyouknowPeterisreadingAroundtheWorldinEightyDays?Hewantstofindout_aroundthew
12、orldinsuchashorttime. whichtoreadwheretofindtravelhowtohowwhatwhenwhere whichwhoask for find hand in readtravel write aboutDaniel:Wow,thatsamazing!Bytheway,canyoutellme_ourbookreport?Amy:BeforenextFriday.Imstillnotsure_inthereport.Daniel:Youcanwriteanythingaboutyourbookwhatthebookisabout,whatyouthin
13、kofitandsoon.Youshouldreadsomereviewsaboutthebookbeforewriting.Amy:Thankyou.Anyway,Iknow_Helpwithwriting.MrWuisalwaystheretohelp. whowhat whenask for hand in write aboutwhentohandinwhattowriteaboutwhotoaskfor他想知道明天在哪会见他的朋友。昨天她问我们何时上交工作。我们正在商量去参观哪个地方。我不确定明天怎么去上学。她不能决定买哪条裙子。 SummaryHe wonders where to
14、 meet his friends tomorrow.She asked us when to hand in the work yesterday.We are discussing which place to visit.Im not sure how to go to school tomorrow.She cant decide which skirt to buy.Gulliver was tied to the ground. So he must run away.Study is very important. So we must study hard.We use mus
15、t when the speaker feels that something is necessary.Gulliver was tied to the ground. He has to lie on the ground.Grandma is ill. She has to see the doctor.We use have to when the situation makes something necessary.must与与haveto是两个常用的情态动词，是两个常用的情态动词，两词后面都接动词原形。在使用时，应注两词后面都接动词原形。在使用时，应注意两词间的差别。意两词间的差
16、别。must表示主语表示主语“有义务有义务”的的“必须必须”做某事，做某事，强调说话人的主观看法，主要用于肯定句强调说话人的主观看法，主要用于肯定句和疑问句；和疑问句；must还可以表示肯定推测，还可以表示肯定推测，意思是意思是“一定一定”。haveto强调的是客观需要，意思是强调的是客观需要，意思是“不得不得不不”。haveto有人称和数的变化。有人称和数的变化。Imustworkhardatmylessons.我必须努力学习功课。我必须努力学习功课。(主观意愿）主观意愿）Ihavetolookaftermotherathome.Forsheisill.我得在家照看妈妈，因为她病了。我得在家
17、照看妈妈，因为她病了。(客观客观需要）需要）Itisgettingdark.Hehastogohomenow.天快黑了。他现在得回家了。天快黑了。他现在得回家了。(客观需要）客观需要）must的否定形式是的否定形式是mustnot，其缩写为，其缩写为mustnt，表示禁止，意思是，表示禁止，意思是“不能，不不能，不许许”。haveto的否定形式是的否定形式是donothaveto，其，其缩写为缩写为donthaveto。Youmustntmakeanynoiseinclass.上课时你们不许吵闹。上课时你们不许吵闹。Youdonthavetowatertheflowers.Foritisgoi
18、ngtorain.你们不必浇花了，因为要下雨了。你们不必浇花了，因为要下雨了。Complete the following sentences with must, mustnt, have to, dont have to.1.You keep quiet in the library.2.You keep the books clean and tidy.3.You draw or write in the books.4.You eat or drink in the library.5.You return the books on time, if you want to keep
19、them longer, you renew them.6.You bring your student card every time you go to the library, but remember to bring your library car.mustmustmustntmustnthave tohave todont have to不定式可以和疑问代词不定式可以和疑问代词who,what,which及疑问副词及疑问副词when,how,where等连用，构等连用，构成不定式短语，在句子中作主语、宾语、成不定式短语，在句子中作主语、宾语、表语等。表语等。must表示主观的义务
20、和必要，意思是表示主观的义务和必要，意思是“必必须，得，要须，得，要”，否定形式是，否定形式是mustnot,表示禁止，不能，不许。表示禁止，不能，不许。haveto表示一种客观的需要，意思是表示一种客观的需要，意思是“不不得不得不”，否定形式是，否定形式是donothaveto。1.ImgoingonafieldtripbutIhaventdecided_.(2007河南河南)A.whattodoB.todowhatC.wheretogoD.togowhere2.Excuseme.Wouldyoupleasetellme_buyadigitalcamera?(2007安徽安徽)A.whatt
21、oB.wheretoC.whatIcanD.wherecanII. 单项选择。单项选择。3.Thisphysicsproblemistoodifficult.Canyoushowme_,WangLin?Sure.(2008陕西陕西)A.whattoworkitoutB.whattoworkoutitC.howtoworkitoutD.howtoworkoutit4.WeneedanewleaderforourHelpingHandsClub,butIdontknow_.WhynotMary?Sheisalwayswillingtohelpothers.(2011江苏南通江苏南通)A.whatt
22、ochooseB.howtochooseC.whentochooseD.whotochoose5.Themathproblemissohard.Ireallydontknow_.(2012甘肃鸡西甘肃鸡西)A.howtodoitB.howtodoC.whattodoit6.Excuseme.Couldyoutellme_gettothenearestpostoffice?Sorry,Iamnewhere.(2013山东威海山东威海)A.howcanIB.howIcouldC.howtoD.whatIcan7.Excuseme.Couldyoupleasetellme_mycar?Sure.Pa
23、rkitrighthere.Illhelpyou.(2013山东青岛山东青岛)A.howtostopB.wheretoparkC.wheretostopD.whentopark8._Iswimhere?Imsorry.Children_swimalonehere.(2012广东广东)A.Must;cantB.May;mustC.Can;mustntD.Cant;can9.Dad,mustwewaituntilthelightbecomesgreen?Yes,Imafraidwe_.Thatsthetrafficrule.(2013河南河南)A.canB.mayC.havetoD.need10.
24、Studentsinourschool_knowshoutingisnotallowedinthelibrary.(2013山东莱芜山东莱芜)A.canB.mayC.mustD.need1.WhenIgointotheclothesshop,Ialwayscantdecide_onetobuy.2.Mygrandfatherdoesntknow_touseacomputer.3.-Willyoupleaseshowme_todriveacar?-Yes,ofcourse.Nowletmetellyou_todofirst.4.IwilltellLucy_and_tomeet.whichhowh
25、owwhatwhenwhereII.选用选用how,which,what,when,where填空。填空。Andydoesntknow_.whattowearIII.看图完成句子。看图完成句子。Milliecantdecide_.whichbooktobuyTheydontknow_tothestation.howtogoIdontknowhow_fromalibrary.toborrowbooksIV. 翻译下列句子。翻译下列句子。1.Haveyoudecided_(怎样度假怎样度假)?2.Idontknow_(在会上说什么在会上说什么).3.Canyoutellme_(在哪里能买到这本书在哪里能买到这本书)?yourholidayhowtospendwhattosayatthemeetingwheretobuythisbook4.Drivers_(必须系必须系安全带安全带)whiletheircarsarerunningontheroad.5._(必须必须)Ifinishmyhomeworknow?No,_(你没必要你没必要).Yourworkisovertoday.Mustyoudonthavetomustwearseatbelts
