甘肃省兰州市兰州三十一中九年级英语 unit 5 section A课件 人教新目标版.ppt

新目标九年级 unit5 itmustbelongtocarla sectiona languagegoal grammar makeinferencesbyusingmust may could mightandcan t wordsandphases learnthedifferencesbetweentoomuchandmuchtoo becauseandbecauseof 表示推测的情态动词在英语中 表示对某事物的确定程度 即表示推测的时候 我们通常会用到以下情态动词 must might could may can can t couldn t等 presentation whoistheman hecan tbebillgates 他不可能是比尔 盖茨 can t在此表示猜测 译为 不可能 后接动词原形 hemaybeliuxiang 他也许是刘翔 may在此表示猜测 译为 也许 可能 后接动词原形 hemustbeliudehua 他极有可能是刘德华 must在此表示猜测 译为 肯定 极可能 后接动词原形 oh yes heisliudehua leadingin lookandguess whoishe hecan tbe maybe mustbe lookandguess using can t may must practice hecan tbe hemaybe lookandguess using can t may must hemustbe whereishe hecan tbein at may must lookandguess using can t may must whosenotebookisthis itmaybelongto mustbelongto can tbelongto mrgreen zhangqiang libo mrgreen belongto 属于 canyouguesswhatitis itcouldbe italsomightbe awhitevase twofaces itcouldbe italsomightbe canyouguesswhatitis adog twogirls lookatthepicture writethethingsyouseeinthecorrectcolumnsinthechart 1a listenandmatcheachpersonwithathingandareason 1b tapescripts girl1 whosevolleyballisthis boy1 itmustbecarla s shelovesvolleyball girl1 howaboutthistoycar girl2 oh thattoycarmustbelongtojane slittlebrother hewastheonlylittlekidatthepicnic andthemagazinemustbelongtodengwen helovescats boy1 oh andlook someoneleftabook girl2 oh yeah thisbookmustbemary s hemingwayisherfavoriteauthor girl1 ok andhowaboutthiscd girl2 hm thecdmustbelongtograce shealwayslistenstoclassicalmusic model a whosebookisthis b itmustbemary s hemingwayisherfavoriteauthor 作家 pairwork 1c askandanswerlikethemodel thingsinthebackpack1 2 3 t shirt hairband tennisballs bobandannafoundabackpackinfrontoftheirschool listenandwritedownthethingsinthebackpack 2a listeningpractice 1 thepersongotoourschool 2 thepersonbeaboy 3 itbemei shairband 4 thehairbandbelongtolinda 5 itbelinda sbackpack must can t could might must listenagain fillintheblanks 2b listeningpractice tapescripts bob oh look whosebackpackdoyouthinkthisis anna idon tknow look here saschoolt shirt bob wellthen thepersonmustgotoourschool oh hereisahairband sothepersoncan tbeaboy anna itcouldbemei shairband shehaslonghair bob orthehairbandmightbelongtolinda shewasatthepicnic wasn tshe anna yes shewas butthenthebackpackcouldbelongtorita she salwaysforgettingthings bob oh look tennisballs anna thenitmustbelinda sbackpack shehaslonghairandshe sonthetennisteam bob you reright 1 must用于肯定句 表示很有把握的推测 意为 准是 一定 后接动词原形 表示对现在情况的推测 例如 hedidn thearthephone hemusthavebeenasleep 他没有听到电话响 他肯定是已经睡着了 情态动词表推测用法小结 情态动词must should can may could might都可表示推测 一 肯定推测 2 should用于肯定句中 语气较must弱 意为 很可能 应该 指按常理推测 例如 mrwangleftyesterday heshouldbehomebynow 王先生昨天就离开了 现在该到家了 3 can用在肯定句中 表示理论上的可能性 例如 smokingcancausecancer 吸烟有可能导致癌症 5 could might表示推测 常用在过去时态中 但在某些场合 为了使语气更委婉 常用could和might代替can和may 例如 4 may用在肯定句中 表示对现在把握不大的推测 意为 也许 可能 例如 thisstorymaybetrue 这个故事也许是真的 wesawsomethingintheskylastnight itcould mightbeaufo 昨天晚上我们看见天空中有个东西 它有可能不明飞行物 二 否定推测 1 表示否定的推测时 can t couldn t语气最强 指 不可能 带有惊讶 怀疑的感情色彩 例如 thestorysoundsreasonable butitcan tbetrue 这个故事听起来合情合理 但不可能是真的 2 语气不很肯定时 常用maynot或mightnot表否定推测 意为 可能不 也许不 例如 simonmaynot mightnotbeintheclassroom 西蒙可能不在教室里 whosecanitbe canitbetom s 那能是谁的呢 是汤姆的吗 三 疑问句中的推测 疑问句中的推测 常用can或could 意为 可能 例如 1 thenotebookbeming s itwasonherdesk 2 thehomeworkbecarol s shewasn tatschooltoday 3 thesoccerballbejohn sortony s theybothplaysoccer don tthey must might can t might fillintheblankswith must might could or can t thentellyourpartnerwhy 2c 4 thefrenchbookbeliying s she stheonlyonewho sstudyingfrench 5 ican tfindmybackpack itbestillatschool 6 thephotobelu s thosearehisparents 7 theredbicyclebehu s shehasabluebicycle 8 thisticketbemyaunt soruncle s they rebothgoingtotheconcert must might can t might must must 1 thetextbook behis ithashisnameonit 2 thebeautifultrousers bejim s theyaretoolong 3 thefootball beweihua sortianhui s theybothplayfootball 4 whereisxiaoling she beinherbedroom butiamnotsure 5 afteralongwalk theoldman betirednow 用must may might或can t填空 must can t might may must grammarfocus dearanna ifyouhaveanyideawhereitmightbe pleasecallme ithinkidroppeditduringtheconcertsoitmightstillbeinthesymphonyhall itriedtocallyoubutyourmomsaidyouwerestillatyouroptometristappointment ihopeyournewglasseslooknice 落下 掉下 交响乐 交响曲 验光师约会 2 4 5 3a readandnumberthepartsinorderandcirclethenewwords ireallyneeditbecauseihaveamathtesttomorrow it scrucialthatistudyforitbecauseitmakesup30 tothefinalexam i mreallyanxious becauseican tfindmybackpack thanks linda 1 3 关键的 至关重要的 最后的 最终的 忧虑的 焦虑的 不安的 组成 a whatdoyouthink anxious means b well itcan tmean happy a itmightmean worried b oh yes she sworriedbecauseofhertest pairwork 3b talkaboutthewordsyoudon tunderstand using can t must might pairwork 4 guesstheownerofthebackpack model a herearesomeearrings theownercan tbeaboy b well itcouldbeaboy theearringsmightbeapresentforhismother 1 theoldhouseoverthere mygrandfather belongb belongstoc isbelongedtod belongto2 itmustbe buildinginthesmalltown a theonlymodernb modernonlyc onlythemodernd onlymodern3 theboyhardlydidsports sohismotherfeltvery abouthishealth a nervousb stressedc hardd anxious 单项选择 b