教学目标:知识目标:1.学习并熟练掌握下列单词和短语。meeting,video,organize(organise),potatochips,chocolate2.学习并熟练掌握下列句型。1)Ifyoudo,you’llhaveagreattime.2)—OK,whenisagoodtimetohavetheparty?—Let’shaveittoday.—Ifwehaveittoday,halftheclasswon’tcome.3)—IthinkI’llwearjeanstotheparty.—Ifyoudo,theteacherswon’tletyouin.4）Thestudentsaretalkingaboutwhentohaveaclassmeeting.5)Ifweaskpeopletobringfood,they’lljustbringpotatochipsandchocolatebecausethey’llbetoolazytocook.能力目标:理解并正确运用if引导的条件状语从句。情感目标:1.由于本单元话题贴近学生生活，符合他们热爱休闲的心理，可以提高他们学习英语的兴趣，积极参与英语实践活动。2.学习因果关系的表达和做出合理的建议。3.谈论自己的感受，同时使学生在英语交流中注意并观察他人的情感。教学流程Step1热身:1.Greettheclassasusualandcheckthehomework.2.Singasong:IfyouarehappyStep2自主1.教学本课生词和新句型：1）teachthenewwords.2)Asksomequestions.—Ifyouarehappy,whatwillyoudo?—IfIamhappy,Iwillsmile.—Ifyoubecomesad,whatwillyoudo?—IfIbecomesad,Iwillcry.—Whatwillhappenifyouaregoingtodotoomuchwork?—IfIamgoingtodotoomuchwork,Iwillgettired.3)教师利用多媒体创设情境，继续呈现和学习新词和新句型，感知体验。[来源:学,科,网]Showtwopictures,inthefirstpictureaboyisgettinguplate,andinthesecondpicturetheboycan’tcatchtheearlybus.ThentalkaboutthepictureswithSsandwritedownthesentence“Ifyougetuplate,youwillnotcatchtheearlybus.”Readthesentences,Ssrepeat.Repeatwithothersetsofpictures.让学生看着图片进行操练，直到把句型练熟。然后让学生结合自己实际编造1-2个对话,教师检查、评价。[来源:Zxxk.Com]Step3展示[来源:学+科+网Z+X+X+K]1.Activities1a1b1c1)SBPage73,1a.(1)PointoutthepicturesandaskSstotellwhattheysee.(2)Asksomestudentstoreadthestatementsandresponses.(3)HaveSsmatchthestatementsontheirown.2)SBPage73,1b.(1)PlaythetapeandgetSstochecktheiranswerstoactivity1a.(2)Talkabouttheanswerstogether.3)SBPage73,1c.(1)AsktwoSstoreadtheexampleinthesampleinactivity1c.(2)Inpairs,getSstotalkaboutwhathappenedinthepictures.(3)Asksomepairstopresenttheirconversationstotheclass.2.Activities2a2b(1)Readtheinstructions.Makesurethestudentsknowwhattodo.(2)Playtherecording.Sslistenandwritedowntheiranswers.(3)Correcttheanswers.3.Activities2c(1)Asktwostudentstoreadthesampledialogue.(2)Inpairs,getthestudentstoroleplaytheconversation(3)Askafewpairsofstudentstopracticetheirconversationsfortheclass.4.1)让学生朗读2d中的对话内容，并回答以下问题：(1)Dotheyaskpeopletobringfoodtoparty,why?(2)Ifpeoplewinthegames,whatwilltheyget?2)让学生再次阅读对话，找出对话中出现的If引导的条件状语从句。[来源:学.科.网Z.X.X.K]3)让学生分角色朗读对话，并请几组学生示范朗读或表演。4）时间允许的话，让学生模仿2d自编对话并表演。Step4互助探究1.Ifyoudo,you’llhaveagreattime.如果你去(参加聚会)，你将玩得非常高兴！1)这是if引导的条件状语从句，表示“在……条件下某事才能发生”。例如：Ifitrainstomorrow,wewon’tgotothepark.如果明天下雨，我们就不去公园。2)条件状语从句的用法：(1)条件状语从句通常由连词if引导，意为“如果、假如”。主句用一般将来时（shall或will），if从句则用一般现在时，以上用法简称为“主将从现”。如，Ifitrainstomorrow,Iwon’tclimbthehills.【针对训练】①Ifshe__________herworkearly,she_________home.A.finish;goB.finishes;goesC.finishes;willgoD.willfinish;goes【拓展】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译为“是否”，而本单元条件状语从句中的if译为“如果”。 Idon’tknowifitwillraintomorrow.Ifitrains,Iwillhavetostayathome我不知道明天是否会下雨.如果明天下雨的话，我将不得不呆在家里。【针对训练】②Idon’tknowifhe_________.Ifhe_________,Iwillcallyou.A.willcome;comeB.comes;comeC.come;comesD.willcome;comes探究2.OK,whenisagoodtimetohavetheparty?哦，举行聚会的最佳时间是在什么时候？[来源:学,科,网Z,X,X,K]动词不定式短语tohavetheparty在句中作定语，修饰time,要放在它所修饰的词之后。例如：Hewasthefirstonetocometoschool.他是来学校的第一个人。【针对训练】I’mhungry.Pleasegivemesomething____.A.toeatB.eatC.eatingD.toeatingStep5达标用所给动词的适当形式填空。1.Ifyouwearjeans,we___________(notlet)youin.2.Ifyougototheparty,you______________(have)agreattime.3.IfyoudrivetoShanghainextweek,yourparents______________(be)angry.4.Ifhe___________(ride)hisbiketogotoschooltomorrow,hewillbelate.5.Ifit____________(notrain)tomorrow,wewillmeetyou.6.Ifyou____________(nothelp)me,Iwon’tletyoucomein.7.Howcouldyou______(organize)thegamesfortheschoolparty?8.Ifhe_________(be)lateforthemeeting,whatwillhappen?答案:won’tlet2.willhave3.willbe4.rides5.doesn’train6.don’thelp7.organize8.is反思：本节是听说课，以一首欢快的歌曲导入，调动了学生的学习兴趣，并引入了if从句，整节课气氛活跃，学生展示积极，效果较好。