Unit6 Grammar课件2 牛津译林版英语九年级上册

Unit6TVprogrammesGrammarTolearntouseifandunlessLearningObjectives1.Ifyouareafootballfan,youwillnotwanttomissthisweek’sprogramme.2.Ifyouenjoysolvingmysteries,youmightlikethisfilm.However,ifyougetscaredeasily,donotwatchit!3.Ifyouareananimal-lover,youmayfeelsadaboutit.Presentation1.__youareafootballfan,youwillnotwanttomissthisweek’sprogramme.2.__youenjoysolvingmysteries,youmightlikethisfilm.However,__yougetscaredeasily,donotwatchit!3.__youareananimal-lover,youmayfeelsadaboutit.goIfIfifIf

Ready?1.Diana(willgo/go/goes)toEuropeifshe(willpass/pass/passes)theexams.2.Thegraduates(willteach/teach/teaches)inthepoorvillageiftheMinistryofEducation(willagree/agree/agrees)soon.3.Ifthere(willbe/are/is)acaraccident,they(willcall/call/calls)110forhelpatonce.ExercisesWarmingupWeuse

iftotalkabouttheresultofapossibleaction.WhatTVprogrammewillyouwatchifyoufinishyourhomeworkearlytonight?IfIfinishmyhomeworkearlytonight,IwillwatchthebasketballmatchonTV.if可以用来引导条件状语从句，此时，if通常表示“假如”。if引导的从句既可以放在主句之前也可以放在主句之后。当从句位于主句之前时，常用逗号与主句隔开。Usingif当一个句子中含有if引导的条件状语从句时，主、从句的时态有如下情形：e.g.Ifitdoesn’train,Iwillgoforapicnic.如果从句表示将来要发生的事情，从句通常用___________，主句用___________，即“主将从现”原则。一般现在时一般将来时If-clause(simplepresenttense)Mainclause(will/may/might/…+infinitive)Ifyouareafootballfan,youwillnotwanttomissthisweek’sprogramme.如果主句中含有will,may,can,might等情态动词时，从句通常用一般现在时。e.g.Youcango_____________.如果你想去可以去。ifyouwantIf-clause(simplepresenttense)Mainclause(will/may/might/…+infinitive)Ifyouareananimal-lover,youmayfeelsadaboutit.Ifyouenjoysolvingmysteries,youmightlikethisfilm.如果主句是祈使句，从句通常用一般现在时。e.g.Please

call

me

if

he

comes

next

Sunday.如果他下周日过来请打电话给我。_________________________if______________________________.

如果你不完成作业就不要玩电脑游戏。youdon’tfinishyourhomeworkDon’tplaycomputergames如果表示的是客观事实或普遍真理，从句和主句通常都用一般现在时。e.g.Ifyouheatice,itmelts.

如果你加热冰，它就会融化。【运用】根据汉语意思完成英语句子，每空一词(含缩略形式)。1.如果明天我不忙，我就和你一起去购物。If__________busytomorrow,I__________________withyou.2.如果你需要帮忙，请告诉我。Please_______ifyou____________.I’mnotwillgoshoppingtellmeneedhelp3.如果你不认识路，可以给我打电话。You___________meifyou___________theway.cancalldon’tknowWhatwillhappenif...?Millieisthinkingaboutherself,herfriendsandTVprogrammes.Helpherchoosethecorrectformsoftheverbsinbracketstocompletethesentences.IfI____(go,willgo)totheReadingClubthisafternoon,I______________(donothave,maynothave)anytimetowatchTV.2.IfSimon_____(gets,willget)hometoolate,he__________(misses,willmiss)hisfavouritecartoon.gomaynothavegetswillmiss3.IfAmy__________(completes,willcomplete)allherhomeworkquickly,she___________(watches,willwatch)pleteswillwatch4.IfDaniel________(takes,willtake)partinthegameshow,he_________(wins,mightwin)aprize.takesmightwin5.IfSandy_______(finds,willfind)aprogrammeinteresting,she_____________(introduces,willintroduce)ittous.findswillintroduceWorkouttherule!Weoftenusethesimple__________(future,present)tenseintheif-clause.Weneeda_________(comma,fullstop)mapresentAskingaboutanimalsMilliewatchedadocumentaryaboutanimals.HelpMillieanswerherfather’squestionswiththehelpofthewordsinthebox.attackcatchhuntliveprotectwalkvt./vi.

攻击，进攻Dad:Whatwillabeardoifit’sindanger?Millie:Ifabear(1)____________,it(2)___________people.Dad:Whatwillapolarbeardoifit’shungry?Millie:Ifapolarbear(3)______________,it(4)___________fishfromthewater.n.

北极熊isindangerwillattackishungrywillcatchDad:Whatwillelephantsdoifthey’rethirsty?Millie:Ifelephants(5)_____________,they(6)___________untiltheyfindariver.Dad:Whatwilltigersdoiftheyliveinthewild?Millie:Tigers(7)___________fortheirownfoodifthey(8)______________.willwalkliveinthewildarethirstywillhuntDad:Whatwilltigersdoiftheyhavebabies?Millie:Tigers(9)___________asafamilyifthey(10)____________.Dad:Whatwillmalewolvesdoifthere’sdanger?Millie:

Malewolves(11)____________theirfamiliesifthere(12)___________.willlivehavebabieswillprotectisdangeradj.

雄性的1.Unlessyoutakemorecare,you’llhaveanaccident.

2.Mybabysisternevercriesunlesssheishungry.

3.Don’tpromiseanythingunlessyou’re100percentsure.

4.You’llfailinEnglishunless

youworkhard.Presentationunlessunless1.______youtakemorecare,you’llhaveanaccident.

2.Mybabysisternevercries______sheishungry.

3.Don’tpromiseanything_____you’re100percentsure.

4.You’llfailinEnglish_____

youworkhard.goUnlessunless

Ready?unless意为“如果不……”，“除非”。牛奶如果不冷藏，很快就会变酸。Milkquicklyturnssourunlessit’srefrigerated.Unlesshecomessoon,I’mgoingwithouthim.=Ifhedoesn’tcomesoon,I’mgoingwithouthim.他如果不马上来，我就自己走了。Sometimeswecanuseif…nottoreplaceunless.unless作连词，意为“如果不，除非”，在句中引导条件状语从句，相当于if...not。与if一样，unless引导的条件状语从句常用一般现在时态表示将来。unless引导的从句既可以放在主句之前，也可以放在主句之后。当从句位于主句之前时，常用逗号与主句隔开。e.g.Hewon’tcometothepartyunlessyouinvitehim.UsingunlessSometimeswecanuseif...nottoreplace

unless.如果主句是一般将来时态，则unless引导的从句的时态通常用一般现在时表将来。e.g.Thesituationwillcontinueunlesshumansstophuntingthemfortheirfurandbones.→Thesituationwillcontinueifhumansdo

notstophuntingthemfortheirfurandbones.e.g.Unlessitrainstomorrow,wearegoingtoplayfootballinthepark.→Ifitdoesnotraintomorrow,wearegoingtoplayfootballinthepark.Theunless-clausecancomefirstorafterthemainclause.e.g.Unlessyoutryyourbest,youwillnotrealizeyourdream.Youwillbelateunlessyouleaverightnow.在unless引导的条件状语从句中，主句也可以含有情态动词或祈使句。e.g.Hecannotseeclearlyunlesshewearsglasses.Don’ttouchthemachineunlesstheteacherallowsyouto.【运用】根据所讲内容将下面的句子翻译成英语。我不会和你去看电影，除非我妈妈允许我去。1.__________________________________________________________________________Iwon’tgotothemovieswithyou,unlessmymotherallowsmeto.2.除非露西邀请我，否则我不会去参加她的生日聚会。_____________________________________________________________________________________________________________________3.如果明天不下雨，学生们将去野餐。_____________________________________________________________________________________________________________________Iwon’tgotoLucy’sbirthdaypartyunlesssheinvitesme./IfLucydoesn’tinviteme,Iwon’tgotoherbirthdayparty.Unlessitrainstomorrow,thestudentswillhaveapicnic./Ifitdoesn’traintomorrow,thestudentswillhaveapicnic.AtriptoafilmandTVstudioSandyhaspreparedsometipsforaschooltriptoafilmandTVstudio.However,shetorethetipsbyaccident.Helpherputthetipsbacktogether.Matchthetwopartsofthesentencesandwritethecorrectlettersintheblanks.aunlessyoutakeyourownfoodwithyou.byouwillnotneedtotaketheminibusinthestudio.cyouwillnothavetotakeanumbrellawithyou.dunlessthetrafficisveryheavy.eunlessyouhavelittleinterestinit.fyouwilltravelarounditwithatourguide.Unlesstheweatherreportsaysitisgoingtorain,______2Wewillarriveatthestudioaround9:30a.m._______cyouwillnothavetotakeanumbrellawithyou.dunlessthetrafficisveryheavy.cdUnlessyoualreadyknowthestudioverywell,______4Youwillbuyyourlunchattherestaurantsinthestudio______aunlessyoutakeyourownfoodwithyou.fyouwilltravelarounditwithatourguide.fa5Unlessyouaretired,______YouwillhaveachancetoseehowaTVp