Unit4WildAnimalsPeriodSixGrammar(B)TeachingAims:1.Torecognizeanduseconditionalsentencestotalkaboutrepeatedandpredictablesituationsandevents.2.Touseconditionalsentencesinareportaboutconservationissues.TeachingProcedures.Ⅰ.Revision------PutthefollowingsentencesintoEnglish.1.如果明天下雨,你将做什么?2.如果我有足够的钱,我将买一台电脑.3.如果他去法国,他将首先看一看埃菲尔铁塔.Ⅱ.Explanation------Wecanusesimplepresenttenseinbothclausesofaconditionalsentencewhenwetalkaboutrepeatedandpredictablesituationsandevents.Givesomeexamples:Ifgiantpandashavenofood,theydie.如果大熊猫没有食物,它们就会死亡.Whatdoelephantsdoiftheyarethirsty?如果大象口渴了,它们做什么?Ifyoukeepafishoutofwaterforalongtime,itdies.如果你把鱼长时间不放在水里,它会死亡.Ⅲ.Practice(B1)------LetthestudentsfinishtheexerciseonPage62.Dealwithsomewordsandlanguagepoints.1.attackv./n.攻击,进攻attackpeople<动词>Weattackedtheenemyatdown.我们在黎明时袭击敌人.<动词>makeanattack攻击<名词>2.spitv.吐<吐沫>,吐出<过去式spat,现在分词spitting>It’sbadmannerstospitinpublic.在公共场合吐痰是不讲礼貌的行为.NoSpitting!不准随地吐痰!Hespatintotheriver.他把痰吐到河里.Thechildspatoutitsfood.孩子把(吃的)东西吐了出来.3.stepv.踩,踏上<过去式stepped,现在分词stepping>steponmyfootstepback走回stepdownfromtheplane从飞机上走下来Stepthisway.这边走.n.脚步,阶梯,台阶asteptowardsuccess迈向成功的一步.Stepbystep,onecangofar.千里之行,始于足下.falldownthesteps摔倒在台阶上4.poisonn.毒物,毒药poisonousa.有毒的一只有毒的青蛙5.malea.雄的,男(性)的<反:female雌的,女(性)的>amalewolfafemaleflower6.Ifelephantsarethirsty,theywalktilltheyfindariver.如果大象口渴的话,它们一直走到能找到河流为止.◆till:介词或连词,后接名词<词组>或句子,用于肯定句中,主句动词应为延续性动词,意为“直到…为止”,用于否定句中,主句动词为短暂性动词.意为“直到…才”eg.tillthen到那时止frommorningtillnight.从早到晚我将一直等到你回来为止.他直到十点才完成家作.注意:①till与until的意义和用法相同,但句首一般不用till而用until.②两者皆可用作介词和连词,但两者都不能没有宾语,因此都不是副词.③要注意在使用until或till表示汉语“直到…才”的时候,常常要把英语的肯定句改为否定句.Ⅳ.(B2)Hereisareportonwildanimals.Readthereportandcompleteit.Beforereading,theteachercananswersomequestionsaboutanimals.Ifthestudentscan’tanswerthem.Letthemreadandcompletethereportfirst.Samplequestions:1.Dotigerslivealoneorasafamily?(asafamily)2.Dowolvesliveasafamily?(Asafamilyiftheyhavebabies.)3.Howdobabytigerslearntochaseotheranimals?(Bywatchingtheirmothers.)Otherlanguagepoints:1.huntv.打猎,搜寻,寻找Theyhuntedfoxes.他们狩猎狐狸.We’llgohuntingtomorrow.Ihuntedtheroomformyglasses.我搜房间找眼镜.huntajob找工作◆huntv.huntern.猎人2.liveasafamilyuntilbabytigersare2—3yearsold.像一家人一样生活在一起直到小老虎2-3岁.as是介词,意为“作为;当作;像”等.Heworksasadriver.他以开汽车为业.Hefoundajobasaneditor.他找到一份编辑工作.SheworkedasaChineseteacher.她当语文教师.复习:也和…一样和…不一样3.owna.(某人)自己的放在所有格或动名词性物主代词后使用,修饰名词时,也可用“a+名词+ofone’sown”结构.我自己的想法她自己的车Iwanttohaveahouseofmyown.v.拥有Heownshisbike.他有自己的自行车.Whoownstheland?Ⅴ.Homework.教后感
