Unit4WildAnimalsPeriodFiveGrammerATeachingaims:1、Torecognizeanduseconditionalsentencestotalkaboutpossiblesitutation.2、Torecognizeanduseconditionalsentencestotalkaboutrepeatandpredictablesituationsevents.3、Touseconditionalsentencesinareportaboutconservationissues.TeachingProcedures:1、Asksomequestionstoelicittheconditionalstructure.Wecanalsorevisethereadingatthesametime.1)Whatwillthehunterdo,iftheycatchagiantpanda?Theywillkillitforitsfur.2)Whatwillhappentopandas,iffarmerscutdowntreesandforestsGiantpandaswillhavenowheretolive.3)Whatwillpeopledo,iftheyfindbabypandasanlone.Theywilltakethemaway.2、Encouragestudentsfindouttherules,thenaskstudentstoopentheirbooksreadtheruleandtheexampleseutencesatthetopofthepage.3、AsksomequestionsinPartA1,encouragestudentstothinkoutmoreinterestinganswersontheboardwiththeirownexperience.4、ExplainthecontexeofPartA2,andaskstudentstocompetethesentencesindividuallyandcomparetheiranswerwiththeirpartners.Checkanswerswiththewholeclassandaskstudentstofindouttheruleatthebottomofthepage.5、Workouttherulesandconditionalsentences.由if引导的条件状语从句要点1)谈论可能出现的情况（主句将来时，从句现在时）Ifwedon’tprefectgiantpandas,theywilldie.2)谈论可预测的,反复出现的情况(主、从句都可用一般现在时)Ifgiantpandashavenofood,theydie.3)在条件状语中，后为从句，另外一个为主句，当从句放在前面时必须用逗号隔开。4)由引导的从句必须用一般现在时表示将要发生的动作，而主句用一般现在时表示可能出现的情况。IfIwillarrivetomorrow,Iwillcallyou.(误)IfIarrivetomorrow,Iwillcallyou.(正)5)如主句为祈祷句或含情态动词句，if从句也用一般现在时表示将来。Youcancallme,ifyouhavetrouble.Exercisesaboutit一、填空1、Ifit(be)fine,we(walk)tothezoo.2、Ifit(rain),we(go)bybus.3、Ifyou(be)late,you(miss)thetriptothezoo.4、Iftheguide(tell)yousomethinguseful,you(have)tolistencarefully.5、Ifhe(need)tohaveabreak,you(let)himdoit.二、翻译1、如果猎人来了，虎妈妈(mothertiger)会保护他们的孩子。2、如果你不动，蛇是不会伤害你的。3、如果参加野生俱乐部，你会了解更多有关于野生动物的信息。4、如果下雨，请带上伞。5、如果你想通过考试，你必须努力学习。三、Homework完成“当”第四教时P97—99。教后感
