2023學(xué)年完整版八年級(jí)上冊(cè)Unit10Ifyougototheparty,you

if引導(dǎo)的條件狀語從句（講義）狀語用來表示行為發(fā)生的時(shí)間、地點(diǎn)、目的、方式、程度等，通常由副詞或介詞短語充當(dāng)，也可由一個(gè)句子充當(dāng)。IsleptathomeyesterdaybecauseIhadabadcold.狀語從句狀語從句指句子作狀語。狀語從句一般由連詞(從屬連詞)引導(dǎo)。Iwillgotoschoolbybiketomorrowifitissunny.Grammarfocus—IthinkI’lltakethebustotheparty.—Ifyoudo,you’llbelate.Ifyoutakethebustotheparty,you’llbelate.—IthinkI’llstayathome.—Ifyoudo,you’llbesorry.Ifyoustayathome,you’llbesorry.—Whatwillhappeniftheyhavethepartytoday?—Iftheyhaveittoday,halftheclasswon’tcome.—Shouldweaskpeopletobringfood?—Ifweaskpeopletobringfood,they’lljustbringpotatochipsandchocolate.if在本單元句中意為“ ； ”，用于引導(dǎo) 。if引導(dǎo)的是一個(gè)完整的句子，所以一定要有主謂，成為從句，另一個(gè)句子則成為主句。Ifyougothere,I’llgo,too.Wewillgohikingifitdoesn’traintomorrow.IfBobleavestomorrow,Iwillholdapartyforhimtonight.if引導(dǎo)的條件狀語從句既可以放在主句前，也可放在主句后。但是如果放在主句前即句首時(shí)從句后面要用 與主句隔開。Youwillkeephealthyifyoudomoreexercise.Ifyoudomoreexercise,youwillkeephealthy.時(shí)態(tài)：if引導(dǎo)的條件狀語從句用 表示將來，主句可以使用一般將來時(shí)，含有情態(tài)動(dòng)詞的句子或者祈使句。主將從現(xiàn)IfyoupracticespeakingEnglishmore,youwilllikeitbetter.IfshegoestoNewYorktomorrow,Iwillgothere,too.Mysisterwillbeveryhappyifourunclecomesnextweek.練習(xí)：IfNancy theexam,shewillgotoAustraliaforEnglishpass B.passed C.passes D.willpassIftheweather fine,we haveasportsmeetingnextweekend.A.willbe;willB.is;will C.was;wouldD.was;will主情從現(xiàn)Ifyougetupatsixtomorrowmorning,youcancatchthefirstbus.IfyougotostudyinAmericanextyear,youmustlearnEnglishhard.主祈從現(xiàn)Let’sgooutforawalkifitdoesn’traintomorrow.Ifyouseeasnakeintheforest,don’tmove!unless也可引導(dǎo)條件狀語從句，表示“如果不，除非”UnlesshecomeshereinanIwillgotherealone.Ifhedoesn’tcomehereinanIwillgotherealone.Youwillfeelworseunlessyougotoseethedoctorrightnow.Youwillfeelworseifyoudon’tgotoseethedoctorrightnow.練習(xí)： youreadit,youcan’timaginehowinterestingthestoryis.A.Unless B.Because C.Although D.If—PleasegiveAlicethestorybook yousee—Allright.unless B.or C.but D.ifExercises一、單項(xiàng)選擇( )1.Studyingingroupsisnecessary youwanttodowellinschool.if B.until C.unless D.though( )2.—Willhelpmewiththetrouble?—Iwon’t youtellmethetruth.A.if B.but C.after D.unless( )3.IfBob awayfromthejunkfood,hewillbeingoodhealth.A.stay B.willstay C.stays D.stayed( )4.Ifthegame,we’llgivehimasurprise.A.win B.wins C.won D.winning( )5.gototheparkifit tomorrow.A.won’train B.don’train C.doesn’train D.rain( )6.Ifyou’remorecareful,you muchA.do B.willdo C.aredoing D.did( )7.Ifthere nobuyingandsellingofanimals,there nokillinginnature.A.is;willbe B.willbe;willbeC.is;is D.willbe;is( )8.I’mwaitingformyfriend.he ,I swimmingalone.A.doesn’tcome;go B.won’tcome;goC.won’tcome;willgo D.doesn’tcome;willgo二、翻譯如果明天不下雨，我會(huì)去看你的。Ifit tomorrow,I you.Mary不為考試做準(zhǔn)備，她會(huì)不及格。IfMary theexam,she failtheexam.如果你不告訴我原因，我會(huì)告訴媽媽這件事。我不會(huì)去醫(yī)院的，除非你和我一起去那兒。【參考答案】Grammarfocus逗號(hào)一般現(xiàn)在時(shí)主將從現(xiàn)練習(xí)：C Bunless練習(xí)：A DExercises一、單項(xiàng)選擇1-5ADCBC 6-8BA