九年级英语下册 Module 5 Rules and suggestions Unit 3课件 外研版.ppt

module5rulesandsuggestionsunit3languageinuse 情态动词本身有一定的含义 但不能单独作谓语 后跟行为动词原形一起构成谓语 表示说话人的语态和情态 情态动词没有人称和数的变化 can could may might shall should must need dare oughtto will would usedto revision 情态动词 帮你归纳 b a 1 couldicrossthestreethere ofcourseyou a couldb canc beabletod will思路点拨 此句中的could表示委婉的语气 而不是表示过去时态 故回答时应用can 表示能够干某事 2 somepeoplethinktrees ontreeplantingdayonly a shouldbeplantedb shouldplantc shouldbeplantingd beplanted思路点拨 表 义务 和 应该 时 用should 情态动词的被动语态为 情态动词 be done 3 mustidotheworknow no you youmaydoitlater a can tb mustn tc needn td shouldn t思路点拨 用must引导的一般疑问句 其回答形式 肯定回答用must 否定回答用needn t 4 you gettherebybus a don tneedb needn ttoc don tneedtod needdon tto思路点拨 need既可以用作情态动词 又可以用作行为动词 短语有needtodosth 和needdoingsth needtobedone c c 5 wewontheenglishspeakingcontest congratulations you beveryproudofit a canb needc wouldd must6 she knowtheanswer buti mnotsure a needb maybec mayd must7 thatman beourenglishteacher becausehehasgonetobeijing a mustn tb shouldn tc needn td can t8 you swiminthispartofthelake it sdangerous a mustn tb needn tc maynotd won t d c d a 注意 情态动词must may might can could等都能表示 推测 它们的推测程度由强到弱的顺序是 must can could may might must表示有把握的推测 意思为 一定是 肯定是 只用于肯定句 表示对现在的推测 否定形式则用can t 而mustn t则表示 禁止 9 wegototheparkonsunday goodidea a wouldb shallc mustd need10 tohavelunchwithustoday a doyoulikesb wouldyoulikec willyoulikedd haveyouliked思路点拨 情态动词表 建议 或 邀请 多用would和should 常用的句式有 wouldyoulike loveto 和shallwe b b 请求对方做某事will would couldyou will wouldyouplease wouldyouminddoing doyouminddoing iwonderifyoucan languagepoints 建议和邀请wouldyoulike loveto shallwe whatdoyouthinkof what howabout howdoyoulike you dbetter not do whydon tyou whynotdo 表示 命令 禁止 不得不 常用must mustn t haveto 没必要做某事 常用needn t don thaveto或句型 itisn tnecessarytodosth thereisnonecessitytodosth completetherules don tdrinkthewater don tclimbtheladder noswimming youmustn tturnleft presentation noparking don tplayfootball youmustn tstophere 2 1 3 matchthepicturesandtherules matchthesignsandtherules 1 smokingisnotallowedinsidethebuilding 2 allvisitorshavetoreporttoreception 3 smokingisallowedoutsidethebuilding 4 it sbesttobringabottleofwateronthetrip c f b e 5 nevergomountainclimbinginbadweather 6 becarefulofchildrencrossingtheroad 7 it sagoodideatoallowatleastanhourtoviewthemuseum 8 it sdangeroustostayoutinthesunshinetoolongwithoutahat a d h g workinpairs explaintherules whymustyousigninwhenyoucometothecentre sothattheyknowwhoisthere whymustyouclimbwithapartner whyshouldn tyoulistentomusicwhileyou reclimbing whymustn tyoulightfires whyshouldn tyoutalkonyourmobilephonewhenyou reclimbing peoplearevery 1 aboutthedamagethatisbeingdonetotheancientforestsofbritain manyvisitorstotheforestsuse 2 tocuttheirnamesintothetrees someofwhicharehundredsofyearsold althoughthereareplentyofrubbishbins peoplestillthrowrubbishintothe 3 andthiscausesplantsandfishtodie worried stones stream completethepassagewiththecorrectformofthewordsinthebox keepstonestreamtouristworry tourists keeping alocalconversationgroupismakingahugeefforttohelp studentsandevenretiredpeoplefromthelocalvillageshaveallgotinvolvedincleaninguptheforests andtheyhavealreadyachievedgoodresults butweexpectthe 4 toplaytheirpartin 5 ourforestsclean too youshould youshouldn t youmust youmustn t putyourrubbishinthebins throwyourrubbishintothestream takecareofthetrees writeonthetreeswithstones nowwritesomerulesforvisitorstotheforests readthepassageandanswerthequestions whydoesonestudentthinkwemustalltrytosavewater becausesavingwaterhelpstosaveourlives whatwasonestudenttryingtosaywithhisdrawingofabigshiningbulb hewastryingtosaythatpeoplemustn twasteenergy howhastheschoolprogrammeinfluencedstudents families thechildrentelltheirfamilieswhattheyhavelearnedatschool howcanaschoolbecomea greenschool theyhavetohaveenvironmentaleducationonthetimetable listenandputtheadviceinthecorrectcolumn planthewalkcarefully walkontheroad chooseastartingpointpeoplecangettobybusortrain tryanewwalkwithagroup tellpeopletobringapicniclunch walkinhotweather advicefortakingpeoplewalkinginthecountryside aroundtheworld eco tourism 生态旅游 eco tourismisalsoknownas responsibletourism itmeansyoucanbeatouristwithoutdamagingtheenvironment manycountriesaroundtheworldhavestartedeco tourismholidaysandtrips touristshelpthelocalcommunitiestolookaftertheirnaturalenvironment herearesomerulesofeco tourism dotakerubbishhomewithyou walkonpathsorroads askbeforeyoutakesomeone sphotograph don tdon tpickflowersordamagetrees don tpolluteriversorstreams don tmakeopenfiresintheforests don tmakealotofnoise 选用适当的词语 并用其正确形式填空 1 don tyouseethesign silence you talk 2 itisnoisy i hearyou 3 you usethecomputerifyoulike 4 lucy sparentsareproudofher she speakfourlanguages canmayhavetocan tmustmustn tshould mustn t can t may can practice 5 you payhimforthenewspaper 6 i gonow thankyouforyourdinner 7 it srainingheavilyoutside he stayhomewatchingtv should must hasto 用所给词的正确形式填空1 i fly tohangzhoutomorrow 2 whenigottothestation thebus leave already 3 i know thefactjusttwodaysago 4 shesaidshe visit methenextday willfly hadleft knew wouldvisit 5 mr lin lose twobikesbynow 6 iphonedyouat8 30lastnight butnobodyansweredthephone atthattimei see afilminthecinema 7 janecan tgoouttoplaywithyou she help hermumcleanthehouse 8 mybossisabusyman he work morethan12hoursaday haslost wasseeing ishelping works damage effort fifth ordered directors 根据句意及汉语提示写出单词1 drinkingandsmokingcan 损害 aperson shealth 2 youshouldmakeyourdreamcometruethroughyourown 努力 3 wehavealreadytriedfourtimes shouldwetrya 第五 time maryasked 4 thepoliceman 命令 thedrunken 醉的 drivertogetoutofthecar 5 heisoneofthe 主任 ofthestateenvironmentalprotectionadministration can mustn t needn t must can t 根据句意 用恰当的情态动词填空1 doyoulikeplayingfootball yes i playitwell 2 people driveafterdrinking it sagainstthetrafficrules 3 mustiwriteallthenewwordsdown no you 4 thatt shirtwithyaoming spictureonit belongtodavid ioncesawhimwearsuchonelastweek 5 mrli beintheoffice heh