9Aunit6GrammarVIP免费

GrammarWhatwillhappenifwegrowmorebamboo?Ifwegrowmorebamboo,giantpandaswillhavemorefood.Whatwillabeardoifitisindanger?Ifabearisindanger,itwillattackpeople.Whatwillapolarbeardoifitishungry?Ifapolarbearishungry,itwillcatchfishfromthewater.Whatwillelephantsdoiftheyarethirsty?Elephantswillwalktilltheyfindariveriftheyarethirsty.Whatwilltigerdoiftheyliveinthewild?Tigerswillhuntfortheirownfoodiftheyliveinthewild.Whatwillmalewolvesdoifthereisdanger?Malewolveswillprotecttheirfamiliesifthereisdanger.1.__youareafootballfan,youwillnotwanttomissthisweek’sprogramme.2.__youenjoysolvingmysteries,youmightlikethisfilm.However,__yougetscaredeasily,donotwatchit!3.__youareananimal-lover,youmayfeelsadaboutit.IfIfifIfif引导的条件状语从句If-clause(simplepresenttense)Mainclause(will/may/might/…+infinitive)Ifyouareafootballfan,youwillnotwanttomissthisweek’sprogramme.Ifyouenjoysolvingmysteries,youmightlikethisfilm.Ifyouareananimal-lover,youmayfeelsadaboutit.Weputacommaaftertheif-clausewhenitisthefirstpartofasentence.Whatcanyoudoifyourchildbehavebadlyinapublicplace?Wecanalwaysgetataxiifthere’saproblemwiththecar.Plasticwillmeltifitgetstoohot.Wedonotuseacommaifthemainclausecomesfirst.•1.Ifyoueatmyfood,Iwon’ttalktoyou.-----Iwon’ttalktoyouifyoueatmyfood.2.IfIdon’thavefood,Iwilldie.-----IwilldieifIdon’thavefood.一般现在时从句一般将来时主句主将从现主将从现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.if引导的条件状语从句条件状语从句在复合句中表示主句动作发生的条件。If意思是“如果；假如”，表示在某种条件下某事很可能发生，如：•Ifitdoesnotraintomorrow,wewillgohiking.•Youwillgetgoodgradesifyoustudyhard.在if引导的条件状语从句中，主句中的动词常用一般将来时，从句中的动词用一般现在时。如：•Ifyouaskhim,hewillhelpyou.•TheyaregoingtohaveapicniciftheyarefreenextSaturdayif引导的条件状语从句•在if引导的条件状语从句中，主句也可含有情态动词或是祈使句。如：•Ifitisfinetomorrow,wecangoandflythekite.•Don’tmisstheprogrammeifyoulikemusic.注意：在if引导的条件状语从句中,如果谈论的是某一个动作发生后势必会产生某个结果，那么主从句都用一般现在时态。e.g.Ifyouboilwater,itbecomessteam.Ifyoudropaglass,itbreaks.Ifyouheatmetal,itmelts.Ifyourun,yousweat.Afish_________(die)ifyoutakeitoutofwater.dieif引导的条件状语从句主现从现主现从现1.Ifhe_______(watch)theanimalcarefully,he________(get)enoughinformation.2.Ican’tfinishtheworkifyou_________(nothelp)me.3.Ifyoudon’tgotheretomorrow,I________(notgo),either.4.____________(notcross)theroadifthelight______(be)red.5.Ifagiantpanda_______(have)nofood,it_______(die).watcheswillgetdon’thelpwon’tgoDon’tcrossishaswilldie用所给词的适当形式填空。•6.Ifyou____(feel)tired,you_____(have)tohavearest.•7.Where___he____(see)thefilmifhe___(have)time?•8.Ifthere___(be)fewertrees,there______(be)morepollution.•9.He_________(dress)morecasuallyifhe___________(notwork)onweekends.•10.Ifyouputwoodintowater,it__________(float)漂浮.用所给词的适当形式填空。feelhavewillseehasarewillbewilldressdoesn’tworkfloatsA:Mum,canIplaybaseballnow?B:Haveyoufinishedyourhomework?A:Oh,notyet.B:Unlessyouhavefinishyourhomework,Iwon'tallowyoutoplayoutside.1.Unlessyoutakemorecare,you’llhaveanaccident.2.You’llfailinE...