九年级英语全册_unit 13 we’re trying to save the earth section a（grammar focus-4c）课件 （新版）人教新目标版

takepartinaffordturnoffreusablepayfortakeactiontransportation 参加v 买的起 承担的起 后果 关掉adj 可重复使用的付费 付出代价采取行动n 运输业 交通运输 WordsandexpressionsReview GrammarFocus Joe youever take partinanenvironmentalproject Ken Yes Ihave I help withaClean UpDaylastyear Itwas consider thebiggestclean upprojectthiscityever have Fillintheblankswiththecorrectformsoftheverbsinbrackets Havetaken helped considered hadhad 4a Joe Howmanypeople take part Ken I think morethan1 000people come tohelpout Joe That sfantastic Iguesseveryoneinthiscityis try toimprovetheenvironment Ken Yes wecan taffordto wait anylongertotakeaction took think came trying wait Fillintheblankswiththeappropriatemodalverbsfromthebox People thinkthatbigthings bedonetosavetheearth Manyforgetthatsavingtheearthbeginswithsmallthings Forexample you saveelectricitybyturningoffthelightswhenyouleavearoom You alsousereusablebagsinsteadofplasticbags 4b may must could could Ithinkit sagreatideathatyounow payforplasticbagsinsomestores Andinsteadofdrivingtoschoolorwork you rideyourbikeorwalk Ifit sfar youtakethebus Allthesesmallthings addupandbecomegoodthingsthat improvetheenvironment Let stakeactionnow haveto can could can Makealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner 4c Discussing 现在进行时 1 含义 表示正在发生或进行的动作 2 基本结构 主语 be 现在分词 be的形式随主语的变化而变化 3 基本用法 表示现在正在进行的动作 特征 常常与now或具体的时间连用 有时句中会有感官动词来提示 或通过上下文来暗示 表示现阶段一直进行的动作 这类动词常常是延续性动词 常与atpresent thisweek thesedays等连用 表示主语的特征 性格 能力等 本单元复习现在进行时 usedto句型 被动语态 现在完成时和情态动词 Summary 现在完成时 1 含义 表示过去发生的动作对现在还有影响 2 基本结构 主语 have has 过去分词 3 基本用法 表示过去发生的动作 但强调对现在产生影响 特征 不能与表示具体的时间状语连用 表示过去发生的动作或存在的状态一直延续到现在 还可能继续下去 常常与since for inthepast 时间名词 inthelast 时间名词等时间状语连用 而且谓语动词要求是延续性动词 表示一种 经历或体验 即可以表示经历过也可以是从来都没有经历过 被动语态初中阶段我们学习了七种被动结构 归纳如下 1 一般现在时的被动语态 am is are 过去分词 2 现在完成时的被动式 have has been 过去分词 3 现在进行时的被动式 am is are being 过去分词 4 一般过去时的被动式 was were 过去分词 5 过去进行时的被动式 was were being 过去分词 6 过去完成时的被动式 had been 过去分词 7 一般将来时的被动式 will begoingtobe 过去分词 8 含有情态动词的被动式 情态动词 be 动词的过去分词 情态动词情态动词表示说话人对某一动作或状态的态度 如认为 可能 应当 必要 等 情态动词本身有一定的意义 但不能单独作谓语 也没有人称和数的变化 后面一般跟动词原形 usedto结构usedto意为 过去常常做某事 指的是过去的习惯性动作 目的在于与现在形成对照 usedto是个情态动词 其中的to是不定式符号 后面跟动词原形 在美式英语中 它的疑问式是 Did 主语 usetodosth 否定式是 主语 didn tuse 在英式英语中 它的疑问式应当是 Used 主语 tosth 否定式应当是usednottoHeusedtostayuplate 他过去常熬夜到很晚 辨析 join joinin和takepartin Willyoujoinusinthediscussion 你参加我们的讨论吗 ShejoinedtheYoungPioneers 她加入了少先队 Whydidn tyoujoininthetalklastnight 昨晚你为什么没参加座谈 Didyoutakepartinthesportsmeet 你参加运动会了吗 1 Haveyou aclub Yes I minaswimmingclubandIoften theswimmingtraining A joined takepartinB joined joinC takenpartin joinD takenpartin joinin2 We regoingforapicnic Wouldyouliketo us Whynot Let sgo A attendB joinC joininD takepartin afford是动词 意为 买得起 担负得起 通常与can could beableto连用 多用于否定句中 Theycouldn tafford 50foraticket 他们拿不出50美元买一张票 afford后面常跟带to的动词不定式 Wecan taffordtogoabroadthissummer 今年夏天我们没有足够的钱出国 例句 MissTaylorneverwastesmoneyonanythingtooexpensive eventhoughshecan to Shehasdonatedmuchofthemoneyshesavedtocharities A affordB allowC remindD pay afford 知识链接 Exercises I 用所给词的适当形式填空 1 Theoldmanused be ateacher 2 Weshould clean theroomeveryday 3 Look Tom sleep inhisroom 4 Lotsoftrees plant onthehilleveryyear 5 He live herefor20years tobe clean issleeping areplanted haslived 用括号里所给动词的正确形式填空 1 Thegirl dance intheclassroomnow 2 It s5o clocknow Mike have dinner 3 youever be totheUS Yes twice 4 MayIspeaktoJohn Sorry he go toNewYork Hewillbebackintwodays 5 DidyougotoJack sbirthday No I notinvite isdancing ishaving Havebeen hasgone wasnotinvited 6 DoyouknowMr Whitewell Yes He work fortheWWFfortwoyears 7 I live heresince1990 8 Doyouoftencleanyourclassroom Yes Ourclassroom clean everyday 9 What sthis It saCD ThisCD use forlearningEnglish 10 Anewhighwayinmyhometown bulid nextmonth hasworked havelived iscleaned isused willbebuilt 情态动词练习 1 youpassmeapen I dliketowritedownthephonenumber Sure Hereitis A CanB NeedC MightD Must2 MayIgotothecinema Mum Certainly butyou bebackby11o clock A canB mayC mustD need3 You worryaboutme It snothingserious A can tB mustn tC needn tD won t 4 Excuseme IsthistherightwaytotheSummerPalace Sorry I mnotsure Butit be A mightB mustn tC can tD must5 Themanintheoffice beMr Black becausehewenthomejustnow A musn tB maynotC can tD needn t useto练习 A她过去常常周末和朋友闲逛 She withfriendsonweekends B他习惯于每晚睡得很晚 He atnight C Kenusedtobeafraidofdogs 改为一般疑问句 usedtohangout isusedtosleepinglate stayingup DidKenusetobeafraidofdogs 1 Hepromisedtopickmeupattheschoolgate However he yet A didn tarriveB doesn tarriveC isn tarrivingD hasn tarrived2 BaJin oneofthegreatestwritersinChina as People sWriter A isregardedB hasregardedC isregardingD regards Choosethebestanswer 3 WhereisTom He inhisroom A isreadingB readsC readD wasreading4 MayIgooutnow Dad No You letyourmotherknowfirst A canB mayC needD must 5 Herson coke butnowhe milk A usedtodrink isusedtodrinkingB usedtodrinking drinksC isusedtodrinking usedtodrinkD isusedtodrink isdrinking 1 江苏淮安 It sgettingdark Please thelight A turnonB turnoffC turndownD turnaround2 湖北随州 HowdoesJackusuallygotowork He driveacar butnowhe theretoloseweight A usedto isusedtowalkB wasusedto isusedtowalkingC wasusedto isusedtowalkD usedto isusedtowalking 感悟中考 3 山东枣庄 Inthelasttenmonths SeptemberMiracle 奇迹 onCCTVformorethanfivetimesandispopularalloverthecountry A hasplayedthepianoB hasgivenouttheirsongdisksC haswrittensongsD hasperformed4 广东 NotonlymyfriendsbutalsoI interestedinfootba