If在此引导一个条件状语从句当主句是一般将来时

牛津版八年级(8A)Unit4Unit4Grammar江苏徐建国Unit4WildAnimalsIf…GrammarAlionmonkeypandagiraffepolarbearzebratortoisefoxwolvestigercamelWhatwillhappenifyoucometoschoollate?Iwillmisssomeclasses.IfIcometoschoollate.Whatwillhappenifyoucometoschoollate?IfIcometoschoollate,Iwillmisssomeclasses.IwillmisssomeclassesifIcometoschoollate.orItisgoingtoraintomorrow.Iwillstayinbed.Ifitrainstomorrow,Iwillstayinbed.ifIwillstayinbedIfitrainstomorrow.orWegrowmorebamboo.Giantpandaswillhavemorefood.Ifwegrowmorebamboo,giantpandaswillhavemorefood.ifGiantpandaswillhavemorefoodifwegrowmorebamboo.orItwillbesunnytomorrow.Wewillhaveatriptomorrow.Wewillhaveatripifitissunnytomorrow.If在此引导一个条件状语从句。当主句是一般将来时，if引导的从句必须用现在时来表示将来可能发生的动作或存在的状态。A.UsingconditionalsentencestotalkaboutpossiblesituationsWecanuseconditionalsentencestotalkaboutthepossibleresultofapossibleaction.Wemakeconditionalsentenceslikethis.‘If’-clause从句(simplepresenttense一般现在时)Mainclause主句(simplefuturetense一般将来时)If

wegrowmorebamboo,giantpandaswillhavemorefood.Ifwedonotprotectgiantpandas,theywilldie.Weneeda_______(comma,fullstop)afterthe‘if’—clausewhenitisthefirstpartofasentence.workouttherule!我们用if条件状语从句来谈论“可能的行动导致的可能的结果”Ifwegrowmorebamboo,giantpandaswillhavemorefoodtoeat.Giantpandaswilldieifwedonotprotectthem.Workouttherules翻译题1.如果人类没有食物吃，就会死亡。2.在很久以前,如果人们没有衣服穿，他们会杀死熊来获取皮毛。3.如果鹦鹉饥饿的话，它会敲打笼子的门。4.如果我收到她的来信，我会非常高兴。5.如果在野外的话,狼会过着群居生活。Theanswerstothequestions1.Ifpeoplehavenofoodtoeat,theywilldie.2.Longago,ifpeoplehavenoclothestowear,theywillkillbearsforfur.3.Ifaparrotishungry,itwillknockonthecagedoor.4.IfIhearfromher,Iwillbeveryhappy.5.Wolvesliveinfamilygroupsiftheyareinthewild.Couldyoutellussomethingaboutwhatwelearnedinthelastperiod?DiscussionproblemsIfhunters…theywill..Iffarmers…Giantpandaswill…Ifpeople…Theywill…problemsIfhunterstheywillIffarmersgiantpandaswillIfpeopletheywillcatchagiantpandakillitforitsfur.cutdowntreesandforestshavenowheretolive.findbabypandasaloneoftentakethemaway.WhenifclauseusedgenerallynowfromthesentenceWhentheprincipalclausemainclauseusedgenerallyinthefutureIfwegrowmorebamboo,giantpandaswillhavemorefood.Ifwedonotprotectgiantpandas,theywilldie.Whatwillhappen?1.IfIseeasnakeinfrontofme,____2.Giantpandaswillsurvive____3.Iwillseesomebeautifulbirds____4.IfIgotoNorthAfrica,____5.IfIhavetimenextweekend,____DCEABA.Iwillseealotofcamels.B.Iwillgotothezoo.C.ifweprotectthemD.Iwillruntheotherway.E.ifIwalkthrougharainforest,WhydoIwanttogotoBeijingZoo?1.IfI___(go)toBeijingZoo,I________(learn)alotaboutanimals.2.IfI______(arrive)atnoon,I______(see)thefeedingofanimals.3.IfI____(find)theMonkeyHill,I________(have)funthere.gowilllearnarrivewillseefindwillhave4.IfI_____(watch)theanimalscarefully,I______(get)enoughinformationformyclassreport(报告).5.IfI_____(finish)myreport(报告),I______(be)veryhappy.watchwillgetfinishwillbeFillintheblanks1.IfEddie____(die),noone________(look)afterHobo.2.IfEddieandHobo_________(nothave)enoughfood,they________(share)it.3.Wildanimals______(be)indangerifhunters____(keep)killingthem.

dieswilllookdon’thavewillsharewillbekeep4.We_______(keep)pandassafefromdangerifwe_____(build)morereserves.5.You______(see)somesquirrelsifyou__(go)tothezoo.6.Thebabypanda______(live)onhisownifhismother_____(leave)himfortwowholedays.willkeepbuild

willseegowillliveleaves7.Ifwe____(build)thegiantpandareserves,we____________(encourage)themtoleave.8.Ifwe_______(notdo)anything,soonthere______(be)nopandasintheworld.buildwillencouragedon’tdowillbeMakingcomparisons.1.Ifpeoplefindbabypandasalone,they_______(take)themaway.2.Ifpandasarehungry,they___(eat)bambooleaves.3.Ifbirdsarefrightened,they_______(fly)away.willtakeeatwillfly4.Iftherearemanybeautifulbirdsinthezoo,we_______(take)acamerawithus.5.Ifatiger___________(nothave)foodfor15days,it___(die).doesn’thavedieswilltakeGrammarB&CGivingreasonswith“because”or“becauseof”Whichanimaldoyoulikebest?Why?

Ilike…because….HelpAmyanswerthequestionsWhydidyougotoBeijingZoo?IwenttoBeijingZoobecauseIwantedtoseewildanimalsthere.HelpAmyanswerthequestionsWhydidn’tyoutakeanyfoodforanimals?Ididn’ttakeanyfoodbecausewemustn’tfeedtheanimalsinthezoo.HelpAmyanswerthequestionsWhydidyoustayinthezooforsomuchtime?Istayedinthezooforsomuchtimebecausethedolphinshowwaslong.HelpAmyanswerthequestionsWhymustweprotectwildanimals?Wemustprotectwildanimalsbecausewildanimalsareourfriends.XiWanghadtolookafterherself

because

hermotherhadanotherbaby.WhydidyougotoBeijngZoo?Whydidn’tyoutakeanyfoodforanimals?Givingreasonswith“because”Whydidyoustayinthezooforsomuchtime?Whymustweprotectwildanimals?Itisverydifficultforgiantpandastosurviveinthewild

becauseof

manyreasons.Allthepeoplecheered/thewonderfulshowGivingreasonswith“becauseof”Lotsofpeopleknowabouttheshow/theads.Thedolphinswerere