Unit7Grammar.ppt

Module4Schoollife,U7Grammar,Whatwillyoudoifyourehappy?,IfImhappy,Iwill_.IfImhappy,Iwill_.IfImhappy,Iwill_.,clap(拍)myhands,stamp(跺)myfeet,nod(点)myhead,IwillgotoBeijingUniversity.,IfIstudyhard,IfIhaveenoughmoney,Iwilltravelaroundtheworld.,theBund,从句,主句,Wecanputtheif-clauseeitherbeforethemainclauseorafterit.,IfyouwalkalongtheBund,youwillseemanyoldbuildings.,Mainclause,If-clause,YouwillseemanyoldbuildingsifyouwalkalongtheBund.,If-clause,Mainclause,从句,主句,主句,从句,if的用法：If表“如果”的意思，引导从句，紧跟在if后的为从句，另半句则为主句，if在句首加逗号。时态：。（主句用一般将来时，从句用一般现在时）,条件状语,可能-主将从现,GrammarConditionalsentences(2),主句,从句,=Itdisappearsifyouputsaltintowater.,从句,主句,2.口诀:_,1.if从句用_，主句也用_，表示客观事实或习惯。,主现从现,一般现在时,一般现在时,A1Readtheseif-clauseanddrawlinestomatchthemwiththeresults.,【例1】Doyouknowwhentheteacher_back?Sorry,Idontknow.Ifhe_back,Illtellyouatonce.2008，广东A.comescomesB.comeswillcomeC.willcomecomesD.willcomewillcome【例2】Ifthere_nobuyingandsellingofanimals,there_nokillinginnature.2011，陕西A.is;willheB.willbe;willbeC.is;isD.willbe;is,C,小链中考,A,A3Completethesesentenceswiththewordsinbrackets.,1Ifyou_ice,_water.(heat(加热)/it/turn/into)2Ifyou_steam(蒸汽),_water.(cool/it/turn/into)3Oil_water.(float/you/pour(倒)/it/on)4Water_it.(boil(煮沸)/if/you/heat),heat,itturnsinto,cool,itturnsinto,floatsifyoupouriton,boilsifyouheat,Summary,if引导的条件状语从句:1.可能：主将从现（主句用一般将来时，从句用一般现在时）2.必然：主现从现（主/从句全用一般现在时）,根据中文意思完成句子。1.如果你不运动，你会变胖。Ifyou_exercise,you_fat.2.如果我早完成作业，我会早点睡。I_tobedearlyifI_myhomeworkearly.3.如果你把水煮开，它会变成水蒸气。Ifyou_water,it_steam.（sti:m）,dontdo,willget,willgo,finish,boil,turnsinto,Bifnotandunless,EG:Youwillbelateforschool,ifyoudonotleavenow.,=Youwillbelateforschool,unlessyouleavenow.,同义转换:1.Shewillmissthebusifshedoesntgetupearly.Shewillmissthebus_shegetsupearly.2.Youwillfailtheexamunlessyouprepare(准备)forit.Youwillfailtheexamyouprepareforit.,unless,if,dont,Unless“如果不，除非”,条件状语从句:unless从句遵循if从句主将从现和主现从现的情况。,要领:unless=ifnot,B1DrawlinestomatchthebeginningsofthesentencesinColumnAwiththeendingsinColumnB.,1.Ifyou_totheparty,youllhaveagreattime.A.willgoB.wentC.goD.going2._youworkhard,youwillfail.A.unlessB.whetherC.becauseD.if3.Ifyou_thevase(花瓶),it_intopieces.A.drop;willfallB.willdrop;fallsC.willdrop;willfallD.drop;falls,选择最佳答案填空。,4.Illgivethebooktohimifhe_herenextSunday.A.willcomeB.comeC.comesD.iscoming5.Ifyouheatmetal,it_.A.melt(融化)B.meltsC.willmeltD.melting,1.当表示条件成立，可能有某种结果时，如果主句用_时，从句用_时，简称“主将从现”2.当表示条件成立，必然有某种结果(常用于客观真理)时，主句和从句都用_时,简称“主现从现”,紧跟在if后的为从句，另半句则为主句,和转换,一般将来,一般现在,一般现在,unless,Summary,1.