高一英语：unit2 sports eventsGrammar and usage课件牛津译林版modu.ppt

unit2sportseventsgrammarandusage now manyofuscanspeakenglishquitewell butafewyearsago wecouldn t yesorno ifwetalkabouttheabilitysomeonehas weusethemodalverb can ifwewanttoexpressthatitisnecessaryforustodosomething whatmodalverbdoweuse mustwhatothermodalverbscanyouthinkof modalverbscan could表能力 1 idon tthinkhecansolvetheproblemwithoutanyhelp 2 canyouhelpmetoworkoutthismathsproblem oughtto should 1 表示义务 应该 用于各种人称 youshouldrespectyourparents youshouldn tspendmuchtimesurfingtheinternet 2 表示推测 想必 估计 的意思 iftomstartstoday heshouldcompletetheprojectintime 3 表示与想象的不一样 照说应该 iwonderwheremikeis heshouldbeherenow youshouldn thavetolddavidwhatmiketoldyou 4 在表示建议 命令 要求动词后用虚拟语气 1 myfriendssuggestedthati should payvisittoshanghainextmonth 2 thechairmandemandedthatwe should solvetheproblematonce 5 表示惊讶 忧虑 惋惜等感情色彩 iamreallysurprisedthatheshouldtalktohisparentsthatway roseoughtto will mustgivemeahandwheneveriamintrouble haveto must haveto表客观需求must表主观愿望 ihavetofinishtheworkbefore7o clock wemustmakeeveryefforttoprotecttheearth youmustworkhardtoachieveyourlifegoal rosemightbecomeupsetatthenews rosemaybeprettybusynow rosecouldcookmealsforherself2yearsago johnisn theretoattendtheparty hemustbereviewinghisnotesforthebigexamtomorrow certaintymight may could should oughtto will must makerequests提出要求 will can could woulda can will could wouldyoulendmesomemoney ithappensthatidon thaveanywithme b yes ican will could would makesuggestions提出建议 shallwe i he she theyturnintheprojecttoday shall常用于第一 三人称 表示征求对方意见a shallhecomein b ok makeoffers提出请求 i llwashyoursportsjacket shalligetaticketforyou shallwecarrythebooksforyou shallicleantheblackboardforyou giveadvice给出建议 youshouldnot oughtnottospeaktohimlikethat weshouldfocusonourwork weshouldnotlaughatthosewhoaredisabled can beableto can的形式只有can could两种beableto的形式有am is areableto was wereableto have hasbeenableto等多种 can一般指一个人的能力beableto经过努力后而达到的一定程度 mybrothercanplaytabletennis mybrotherisabletodiveunderwaterfor10minutes shall will shall表达诺言 will表示决心或决定1 takeiteasy youshallbeofferedajobinthiscompany 2 mikewillsparenoefforttostudy mustn tneedn t mustn t 禁止 不许 语气强烈needn t 不需要 没有必要 语气较为缓和1 youmustn tmissthespeechtomorrow it sofgreatimportance 2 youneedn tdothatifyoudon twantto 3 mustwecleantheclassroom yes youmust no youneedn t 4 itisafive minutewalkfromthestationtomyhouse youneedn thavetakenataxi however youdidtakeataxi need dare 作为情态动词时 两个词常用于疑问句和否定句 用作实义动词时 可用于各种句式 情态动词时 needishowyouhowtooperatethemachine yes please youneedn ttellhimthenewsnow howdareyoudothatbehindmyback thelittlegirldarenotgooutaloneatnight haveatry choosingtherightwordanswers 1 page29 1 must 2 hasto 3 must 4 must 5 should 6 oughtto 7 could 8 may 9 could 2 page31 a 1 can 2 dare 3 can could 4 may might could 5 mustn t shouldn t can t 6 mustn t shouldn t can t 7 can 8 needn tb 1 shall 2 shall 3 will 4 will shall 5 will 6 will shall 7 shall will practice 1 iwaterthetreesontuesday no youneedn t a canb mustc mayd shall2 he notpayunlessheispunishedtopay a shallb willc cand would3 i suchamistakeagain a shallnevermakeb maynevermakec canneverdod need 4 iturnontheradio you dbetternot itisnoisyenoughinthisroom a shallb mustc needd do5 sincetheroadiswetthismorning lastnight a itmustrainb itmusthaverainedc itmustberainedd itmusthavebeenrained 6 everyone dohisbesttomaketheworldsafeandclean a canb mayc shouldd hadto7 they thatfar buttheystoppedtohaveasnackontheway a mightbegoneb neededgoc couldhavegoned o