1.如果你是个足球迷，你不会想要错过这周的节目。Ifyouareafootballfan,youwillnotwanttomissthisweek’sprogramme.2.这种情况将会持续下去除非人们停止为了皮毛和骨头而猎杀老虎。Thesituationwillcontinueunlesshumansstophuntingtigersfortheirfurandbones.3.如果你很容易被吓坏，别看了。Ifyougetscaredeasily,donotwatchit.Weuseiftotalkabouttheresultofapossibleaction.Wemakesentenceswithiflikethis:If-clause(simplepresenttense)Mainclause(will/may/might/…+infinitive)Ifyouareafootballfan,youwillnotwanttomissthisweek’sprogramme.Ifyouareananimal-lover,youmayfeelsadaboutit.Ifyouenjoysolvingmysteries,youmightlikethisfilm.Payattention:Weputacommaaftertheif-clausewhenitisthefirstpartofasentence.条件状语从句条件状语从句主要由if或unless引导：if条件句1)if条件句：条件句用于陈述语气，表示假设的情况可能发生，其中if“是如”果的意思。e.g.Ifitrains,wewillstayathome.如果下雨我们就待在家里。2)用法：(1)条件状语从句通常由连词if“引导，意为如”果、假如，主句不能用begoingto表示将来，而应该用shall,will。e.g.Ifyouleavenow,youwillneverregretit.如果你现在离开，你永远都不会后悔。(2)if“”如果，引导条件状语从句，主句用一般将来时，从句则用一般现在时。e.g.Ifitrainstomorrow,Ishan’tclimbthehills.如果明天下雨，我就不爬山了。(3)主句是祈使句或含有情态动词，从句也用一般现在时。e.g.PleasecallmeifhecomesnextSunday.如果他下周日过来请打电话给我。注意:宾语从句中的if与条件状语从句if的区别。宾语从句中的if“是否”相当于whether,引导宾语从句,时态需根据语境确定。如果主句用一般现在时,从句可以根据具体情况选用时态,如果主句用一般过去时,从句必须用过去时的某种形式。Whatwillhappenif...?Millieisthinkingaboutherself,herfriendsandTVprogrammes.Completethesentenceswiththecorrectformsoftheverbsinbrackets.1.IfI____(go,willgo)totheReadingClubthisafternoon,I______________(donothave,maynothave)anytimetowatchTV.2.IfSimon_____(gets,willget)homelate,he__________(misses,willmiss)hisfavouritecartoon.gomaynothavegetswillmiss3.IfAmy__________(completes,willcomplete)allherhomeworkquickly,she___________(watches,willwatch)thechatshow.completeswillwatch4.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)afterthein-clausewhenitisthefirstpartofasentence.presentcommaAskingaboutanimalsMilliewatchedadocumentaryaboutanimals.HelpMillieanswerherfather’squestionswiththehelpofthewordsinthebox.Dad:Whatwillabeardoifit’sindanger?Millie:Ifabear(1)____________,it(2)___________people.Dad:Whatwillapolarbeardoifit’shungry?Millie:Ifapolarbear(3)______________,it(4)___________fishfromthewater.attackcatchhuntliveprotectwalkisindangerwillattackishungrywillcatchvt./vi.攻击，进攻n.北极熊Dad:Whatwillelephantsdoifthey’rethirsty?Millie:Ifelephants(5)_____________,they(6)___________untiltheyfindariver.Dad:Whatwilltigersdoiftheyliveinthewild?Millie:Tigers(7)___________fortheirownfoodifthey(8)______________.attackcatchhuntliveprotectwalkarethirstywillwalkwillhuntliveinthewildDad:Whatwilltigersdoiftheyhavebabies?Millie:Tigers(9)___________asafamilyifthey(10)____________.Dad:Whatwillmalewolvesdoifthere’sdanger?Millie:Malewolves(11)____________theirfamiliesifthere(12)___________.attackcatchhuntliveprotectwalkwilllive...
