牛津譯林版九年級(jí)英語(yǔ)上冊(cè)Unit6TVprogrammesPeriod3Grammar課件

Unit6TVprogrammesPeriod3Grammar課文呈現(xiàn)A.UsingifWeuseiftotalkabouttheresultofapossibleaction.Wemakesentenceswithiflikethis:我們用if來(lái)談?wù)撘粋€(gè)可能的行動(dòng)的結(jié)果。我們用if造句，如下所示：if的應(yīng)用If-clause(simple

presenttense)Mainclause(will/may/might/...+infinitive)Ifyouareafootballfan,youwillnotwanttomissthisweek’sprogramme.Ifyouareananimal-lover,youmayfeelsadaboutit.Ifyouenjoysolvingmysteries,youmightlikethisfilm.Whatwillhappenif...?如果…會(huì)發(fā)生什么。。。？A1.Millieisthinkingaboutherself,herfriendsandTVprogrammes.Helpherchoosethecorrectformsoftheverbsinbracketstocompletethesentences.米莉在想著自己、她的朋友和電視節(jié)目。幫助她選擇括號(hào)中動(dòng)詞的正確形式來(lái)完成句子。1.IfI(go,willgo)totheReadingClubthisafternoon,I(donothave,maynothave)anytimetowatchTV.2.IfSimon(gets,willget)hometoolate,he(misses,willmiss)hisfavouritecartoon.3.IfAmy(completes,willcomplete)allherhomeworkquickly,she(watches,willwatch)thechatshow.4.IfDaniel(takes,willtake)partinthegameshow,he(wins,mightwin)aprize.5.IfSandy(finds,willfind)aprogrammeinteresting,she(introduces,willintroduce)ittous.AskingaboutanimalsA2.Milliewatchedadocumentaryaboutanimals.HelpMillieanswerherfather’squestionswiththehelpofthewordsinthebox.attackcatchhuntliveprotectwalkDad:Whatwillabeardoifit’sindanger?Millie:Ifabear（1）__________,it（2）__________people.Dad:Whatwillapolarbeardoifit’shungry?isindangerwillattackMillie:Ifapolarbear（3）__________,it（4）__________fishfromthewater.Dad:Whatwillelephantsdoifthey’rethirsty?ishungrywillcatchMillie:Ifelephants（5）__________,they（6）__________untiltheyfindariver.Dad:Whatwilltigersdoiftheyliveinthewild?Millie:Tigers（7）__________fortheirownfoodifthey（8）_______________.arethirstywillwalkwillhuntliveinthewildDad:Whatwilltigersdoiftheyhavebabies?Millie:Tigers（9）__________asafamilyifthey（10）_____________.Dad:Whatwillmalewolvesdoifthere’sdanger?Millie:Malewolves（11）__________theirfamiliesifthere（12）__________.willlivehavebabieswillprotectisdangerB.UsingunlessWecanuseunlesstosaythatsomethingcanonlyhappenorbetrueinaparticularsituation.Thesituationwillcontinueunlesshumansstophuntingthemfortheirfurandbones.Sometimeswecanuseif...nottoreplaceunless.Thesituationwillcontinueunlesshumansstophuntingthemfortheirfurandbones.→Thesituationwillcontinueifhumansdonotstophuntingthemfortheirfurandbones.Unlessitrainstomorrow,wearegoingtoplayfootballinthepark.→Ifitdoesnotraintomorrow,wearegoingtoplayfootballinthepark.除非子句可以在主子句之前或之后。Unlessyoutryyourbest,youwillnotrealizeyourdream.除非你盡力，否則你將無(wú)法實(shí)現(xiàn)你的夢(mèng)想。Youwillbelateunlessyouleaverightnow.除非你現(xiàn)在就走，否則你會(huì)遲到的。AtriptoafilmandTVstudio電影和電視工作室之旅SandyhaspreparedsometipsforaschooltriptoafilmandTVstudio.桑迪為去電影和電視工作室的學(xué)校旅行準(zhǔn)備了一些建議。However,shetorethetipsbyaccident.然而，她不小心把小費(fèi)撕了。Helpherputthetipsbacktogether.Matchthetwopartsofthesentencesandwritethecorrectlettersintheblanks.幫她把小費(fèi)重新組合起來(lái)。將句子的兩個(gè)部分和在空白處寫(xiě)正確的字母。a.unlessyoutakeyourownfoodwithyou.b.youwillnotneedtotaketheminibusinthestudio.c.youwillnothavetotakeanumbrellawithyou.d.unlessthetrafficisveryheavy.e.unlessyouhavelittleinterestinit.f.youwilltravelarounditwithatourguide.cdbafe1.Unlesstheweatherreportsaysitisgoingtorain,________2.Wewillarriveatthestudioaround9:30a.m._______3.Unlessyoualreadyknowthestudioverywell,_______4.Youwillbuyyourlunchattherestaurantsinthestudio____5.Unlessyouaretired,_______6.YouwillhaveachancetoseehowaTVprogrammeisrecorded_______考點(diǎn)精講①attackvt.&vi.攻擊，進(jìn)攻Ifyouarenotcareful,atigerwillattackyou.你如果不小心,老虎會(huì)攻擊你?？键c(diǎn)1中考在線1：人不犯我，我不犯人。Wewillnot_________othersunlesswe___________.【點(diǎn)撥】本題用詞語(yǔ)運(yùn)用法。attack意為“攻擊，進(jìn)攻”，從句主語(yǔ)we和attack有被動(dòng)關(guān)系，應(yīng)用被動(dòng)語(yǔ)態(tài)。attackareattacked②unlessyoutakeyourownfoodwithyou.takesth.withsb.某人隨身攜帶某物辨析:take，bring，carry與fetchtake指從這里拿走,即把某人或某物從說(shuō)話人處帶到別處,

包含有away的含義。bring指從別處拿到這里來(lái),或指拿到說(shuō)話人所在的地方。carry表示“攜帶；運(yùn)載”等,具有負(fù)重的含義,不表示固定方向。fetch“去拿來(lái)”，是去某處將某物拿回來(lái)或?qū)⒛橙私踊貋?lái)?？键c(diǎn)2Pleasetakeamapwithyouwhenyoutravel.當(dāng)你旅行的時(shí)候,請(qǐng)隨身攜帶一張地圖。Couldyouhelpmetotaketheboxtotheclassroom?你能幫我把這個(gè)盒子拿到教室嗎？Bringmeacupoftea,please.請(qǐng)給我拿杯茶。Letmecarrythisbagforyou.讓我替你扛這只袋子吧。She’sgonetofetchthekidsfromschool.她去學(xué)校接孩子了。中考在線2：AstrongwindwillarriveinHarbin.Itwill_________muchrainhere.A.bringB.takeC.catchD.fetch【點(diǎn)撥】bring帶來(lái)；take帶去；catch抓??；fetch去拿來(lái)。A中考在線3：—Tom,________theumbrellawithyou.Lookatthedarksky.It’sgoingtorain.—Thankyou,Dad.takeB.wearC.useD.makeA返回【點(diǎn)撥】考查動(dòng)詞辨析。句意：—湯姆，你帶著把雨傘吧?？纯催@陰暗的天空。要下雨了。—謝謝你，爸爸。take拿，買(mǎi)，花費(fèi)；wear穿，戴；use使用；make制作，使。takesth.withsb.“某人隨身攜帶某物”，為固定搭配，故選A。語(yǔ)法講解條件狀語(yǔ)從句表示主句動(dòng)作發(fā)生的條件,在初中階段常由if(如果)引導(dǎo),表示“假如有從句的動(dòng)作發(fā)生，就會(huì)有主句的動(dòng)作發(fā)生”。Pleasecallmeifheisathome.假如他在家的話,請(qǐng)給我打電話。if引導(dǎo)的條件狀語(yǔ)從句［重點(diǎn)］時(shí)態(tài)如果主句是一般將來(lái)時(shí),從句一般用一般現(xiàn)在時(shí)。Iwon’tgotherewithyouifitrainstomorrow.如果明天下雨的話,我就不和你一起去那兒了。考點(diǎn)1中考在線1：Ifyoutakethistrain,you______inShanghaiinfivehours.A.arriveB.willarriveC.arrivedD.havearrived【點(diǎn)撥】本題用語(yǔ)法判定法?？疾閯?dòng)詞時(shí)態(tài)。句意：如果你坐這班火車(chē)，你將在五小時(shí)內(nèi)到達(dá)上海。分析句子結(jié)構(gòu)可知，本題是含有if引導(dǎo)條件狀語(yǔ)從句的復(fù)合句，時(shí)態(tài)上遵循“主將從現(xiàn)”的原則。故選B。B主從句的位置從句可以位于主句之前,也可以位于主句之后。不過(guò)從句在前時(shí),主從句之間須用逗號(hào)隔開(kāi)。Pleasetellmeifhecomesback.=Ifhecomesback,pleasetellme.如果他回來(lái)了,請(qǐng)告訴我一聲。語(yǔ)法講解考點(diǎn)2［易錯(cuò)點(diǎn)］if的兩面性if引導(dǎo)條件狀語(yǔ)從句時(shí)意為“如果”,如果引導(dǎo)賓語(yǔ)從句則意為“是否”。請(qǐng)比較:（1）Wewillgooutifitisfinetomorrow.（2）Idon’tknowifthetrainhasarrived.考點(diǎn)3中考在線2：—Wouldyouliketogohikingifit________finethisSaturday?—I’dloveto.Butnobodyknowsifit_______.A.is;willrain B.is;rainsC.willbe;willrain D.willbe;rainsA【點(diǎn)撥】本題用語(yǔ)法判定法?？疾閯?dòng)詞時(shí)態(tài)。第一個(gè)if意為“如果”，引導(dǎo)條件狀語(yǔ)從句，從句中應(yīng)用一般現(xiàn)在時(shí)表示將要發(fā)生的動(dòng)作；第二個(gè)if意為“是否”，引導(dǎo)賓語(yǔ)從句，主句中的謂語(yǔ)動(dòng)詞用一般現(xiàn)在時(shí)，賓語(yǔ)從句中可根據(jù)需要用任何時(shí)態(tài)，此處指這個(gè)星期六的天氣，用一般將來(lái)時(shí)，故選A。拓展：條件狀語(yǔ)從句和主句還有一個(gè)共同的伙伴，有時(shí)它可以替代從句和主句，它就是“祈使句+and/or+簡(jiǎn)單句”。其中and表示句意順承；or則表示轉(zhuǎn)折，意為“否則”。拓展Ifyouworkharder,you’llpasstheexam.=Workharder,andyou’llpasstheexam.如果你再努力些，你就會(huì)通過(guò)考試。中考在線3：Keepworkinghard,andyouwillachievesuccess.(保持句意不變)_____________________keepworkinghard,youwillachievesuccess.[上海]【點(diǎn)撥】原句意為“繼續(xù)努力，你就會(huì)成功的”，由句意可知，成功的條件是“繼續(xù)努力”，將其轉(zhuǎn)化為if引導(dǎo)的條件狀語(yǔ)從句，人稱(chēng)保持一致。if放在前，后加you。故填I(lǐng)fyou。Ifyouunless引導(dǎo)條件狀語(yǔ)從句,相當(dāng)于if引導(dǎo)的條件狀語(yǔ)從句的否定形式,即unless=if...not。中文意為“如果不……；除非”。unless引導(dǎo)的條件狀語(yǔ)從句含unless或if引導(dǎo)的條件狀語(yǔ)從句的復(fù)合句中，主句用一般將來(lái)時(shí)，從句用一般現(xiàn)在時(shí)代替一般將來(lái)時(shí)。即所謂的“主將從現(xiàn)”?？键c(diǎn)1中考在線4：Shesaysthatshe’llhavetoclosetherestaurant________businessimproves.A.ifB.afterC.unlessD.when【點(diǎn)撥】本題用句意理解法?？疾檫B詞的用法。句意：她說(shuō)除非生意好轉(zhuǎn)，否則她將不得不關(guān)閉這家餐館。if如果；after在……之后；unless除非；when當(dāng)……時(shí)候。由句意可知選C。C考點(diǎn)2“祈使句(肯定式)+or+陳述句”與“unless條件句+主句”有時(shí)可以相互轉(zhuǎn)換。Putonyourraincoat,oryou’llgetwet.=Unlessyouputonyourraincoat,you’llgetwet.=Ifyoudon’tputonyourraincoat,you’llgetwet.穿上雨衣，否則你會(huì)淋濕的。中考在線5：Youneedn’ttakeanumbrellaunlessitrainstomorrow.（同義句轉(zhuǎn)換）Youneedn’ttakeanumbrella__________it__________raintomorrow.【點(diǎn)撥】本題用句式分析法。unless意為“除非”，相當(dāng)于if…not。ifdoesn’t拓展（1）unless引導(dǎo)出補(bǔ)充前言的句子，即對(duì)剛說(shuō)過(guò)的話進(jìn)行補(bǔ)充。Let’splaychess—unlessyoureallyhavesomethingurgenttodo.咱們下國(guó)際象棋吧—除非你真有急事要辦。（2）unless在以下情況不能與if...not替換。①當(dāng)某種條件所引起的結(jié)果是一種情緒或想法時(shí)，不能使用unless，只能用if...not。IwillbeangryifIamnotinvitedtotheparty.如果我不被邀請(qǐng)參加這個(gè)聚會(huì)的話，我將會(huì)生氣。②if...not可以引導(dǎo)一個(gè)虛擬條件句，unless一般不引導(dǎo)虛擬條件句。Ifsheweren’tsosilly,shewouldunderstandit.如果她不那么傻，她就會(huì)明白它的。課堂練習(xí)一、用所給單詞的適當(dāng)形式填空1.Workoutwhatyouneed___________(do)first,andgoforittoday.2.Wedon’thaveanotherchance___________________(take)aholidaythisyear.3.Asastudent,Ihavelittletime___________(watch)newsprogrammesonTV.todototake/oftakingtowatch4.Nobodycanbesuccessfulunlesshe__________(love)hiswork.5.IfIhaveagoodday,I___________(be)proudofmyself.loveswillbe二、單項(xiàng)選擇6.Vivianwilltakeherdaughtertotheamusementpark________shegetsthetickets.ifB.untilC.althoughD.unlessA【點(diǎn)撥】本題用句意理解法?？疾檫B詞辨析。句意：如果維維安弄到票，她會(huì)帶她的女兒去游樂(lè)園。if如果，引導(dǎo)條件狀語(yǔ)從句；until直到……為止，引導(dǎo)時(shí)間狀語(yǔ)從句；although盡管，引導(dǎo)讓步狀語(yǔ)從句；unless除非，如果不，引導(dǎo)條件狀語(yǔ)從句。由句意可知選A。7.Kitty,you’llfailtheEnglishexam________youstudyhard.becauseB.whenC.ifD.unless【點(diǎn)撥】考查連詞的用法。句意：基蒂，如果你不努力學(xué)習(xí)，你英語(yǔ)考試就會(huì)不及格。表示“如果不”用連詞unless，故選D。D8.—Jeff,couldyoutellmeifit________tomorrow?Ifit________tomorrow,Iwillstayathome.—It’sreportedthatitwillbesunny.Let’sgocampingontheFenghuangMountain.A.rain;rainB.rains;rainC.willrain;rainsD.willrain;willrainC【點(diǎn)撥】本題用語(yǔ)法判定法?？疾閯?dòng)詞時(shí)態(tài)。句意：——杰夫，你能告訴我明天有雨嗎？如果有雨，我就待在家里?！獡?jù)報(bào)道天氣晴朗。我們?nèi)P凰山露營(yíng)吧。第一句if引導(dǎo)賓語(yǔ)從句，由tomorrow可知，用將來(lái)時(shí)；后句if引導(dǎo)條件狀語(yǔ)從句，要用一般現(xiàn)在時(shí)表示將來(lái)，故選C。9.—WillyougotoLisa’shouse-warmingpartynextSunday?—Well,ifI________,Iwillgoontime.A.inviteB.willinviteC.aminvitedD.willbeinvitedC【點(diǎn)撥】本題用語(yǔ)法判定法。句意：—下星期天你會(huì)去麗莎的喬遷派對(duì)嗎？—唔，如果我被邀請(qǐng)，我會(huì)準(zhǔn)時(shí)去的。由語(yǔ)境可知，主語(yǔ)I和動(dòng)詞invite之間是被動(dòng)關(guān)系，表示“被邀請(qǐng)”，因此用被動(dòng)語(yǔ)態(tài)；if引導(dǎo)的條件狀語(yǔ)從句，遵循主將從現(xiàn)的原則，主句為一般將來(lái)時(shí)，從句為一般現(xiàn)在時(shí)，因此從句用一般現(xiàn)在時(shí)的被動(dòng)語(yǔ)態(tài)。故選C。10.—I’mafraidwecan’tworkoutthemathproblem________theteacherhelpsus.—That’strue.It’stoodifficult.ifB.unlessC.becauseD.assoonasB【點(diǎn)撥】本題用句意理解法。if如果；是否；unless除非，如果不；because因?yàn)?；assoonas一……就。由答語(yǔ)中“It’stoodifficult(它很難)”可知，老師幫助我們是計(jì)算出數(shù)學(xué)題的條件。由空格前“不能計(jì)算出那道數(shù)學(xué)題”可推知，空格處表達(dá)的是“如果不”。