2024-2025学年译林牛津版初中英语九年级（上）教案 Unit 4 Grammar

Unit4GrowingupGrammar设计说明首先通过复习Reading，讨论关于SpudWebb的情况，来引入新课，呈现出相关的时间状语从句，通过一系列的讲解和练习，让学生掌握不同的连词的用法，学会各连词所引导的时间状语从句，并掌握与其相关的时态，学会用时间状语从句来表达自己的想法。教学目标通过本课时的教学，让学生达成以下目标：1.知识目标(1)掌握单词：career,against。(2)掌握连词before,after,when,while,since,till,until,assoonas和whenever引导的时间状语从句。2.能力目标（1）通过学习，掌握连词以及时间状语从句的用法。（2）学会用时间状语从句来表达思想，培养写作能力。3.情感目标通过谈论学生自身的变化让他们懂得感恩。重点难点重点：学习生词和短语以及各连词引导的时间状语从句的用法。难点：灵活使用生词、短语以及连词，学会使用时间状语从句。教学准备PPT课件；相关图片。授课时数1课时教学过程Step1Lead-in1.TalkaboutSpudWebb.2.RevisethesentenceswithadverbialclausesoftimeinthepassageaboutSpudWebb.Leadintheclauses.·While(hewas)attendingjuniorhigh,Spudtriedoutfortheschoolteam.·Whenhefinallygotthechance,hescored20pointsinhisfirstgame.·Afterhegraduated,hewasforcedtoplayinanotherbasketballleague.·HeremainedthereforaboutayearbeforetheNBAtooknoticeofhim.Step2GrammarA1.Talkaboutthemeaningsandtheusesoftheconjunctions:before,after,when,while.（1）before意为“在……之前”,表示主句动作发生在从句动作之前。Closethewindowsbeforeyouleavetheroom,please.在你离开房间前，请关上窗。（2）after意为“在……之后”，表示主句的动作发生在从句的动作之后。IwenttoschoolafterIfinishedmybreakfast.我吃完早饭去上学。（3）when意为“当……时”，表示主句动作发生的特定时间。Thedaysgetlongerwhenspringcomes.春天来时，白天变长了。（4）while意为“当……时”，引导的从句用进行时态，从句谓语动词必须是延续性动词。Whilemysisterwassweepingthefloor,Iwaswashingthedishes.我姐姐扫地时，我在洗碗。Whiletheboyswereplayingfootball,itrained.当男孩子们踢足球时，下雨了。【注意】while后面还可以跟表示状态的词。WhileIwasinBeijing,Ivisitedalotofplaces.在北京的时候，我参观了很多地方。【拓展】在含有when和while引导的从句的主从复合句中，当主句和从句的主语一致，并且从句中含有be动词时，从句可以省略主语和be动词。When(sheis)introuble,shealwaysasksformyhelp.她遇到困难时总是向我求助。While(Iam)travelling,Iliketobuysomesouvenirs.旅游时我喜欢买一些纪念品。2.DotheexerciseonPage54.Answers:1IgojoggingeverymorningbeforeIhavebreakfast.2AfterIpracticedplayingbasketballforhours,Ifelttiredout.3ImetPeterwhile(Iwas)waitingatthebusstop.4While(Iwas)watchingTV,Ireceivedacallfrommyuncle.5Iwasreadytogotobedwhenmyfathercamebackfromwork.Step3GrammarB1.Showsentenceswhichhaveadverbialclausesbysince,tillanduntil.(1)You’vebeenhappysinceIfirstmetyou.(2)Spudremainedinanotherbasketballleagueforaboutayeartill/untiltheNBAtooknoticeofhim.(3)Donotwakemeupuntilyoufinishyourwork.2.Explaintheusageoftheconjunctionsandtheadverbialclausesbythewords.(1)since意为“自从……以来”，从句谓语动词用一般过去时，而主句的谓语动词用现在完成时。Theyhavebeenfriendssincetheywereatprimaryschool.他们从小学起就一直是朋友。(2)①till和until意为“到……为止”，一般情况下两者可以互换。until可以放在句首或句中，而till不可以用在句首。②如果主句中的谓语动词是非延续性动词，必须用否定形式，即构成“not…until”结构，意思是“直到……才（开始）”。Walktill/untilyouseeawhitehouse.一直走到你看到一座白房子为止。IdidnotgotobeduntilIfinishedmyhomework.直到做完作业我才上床睡觉。3.DotheexercisesonPage55.Answers:1since2till/until3till/until4since5till/until6till/untilStep4GrammarC1.Showthesentenceswiththeconjunctionsassoonasandwhenever.(1)ItbegantorainassoonasIleftthehouse.(2)IcanreadbookswheneverIwantto.2.Givethemsomeexplanations.（1）assoonas意为“一……就……”，引导时间状语从句。时态遵循“主将从现”原则，即当主句时态为一般将来时时，从句用一般现在时表将来。Webegantoworkassoonaswegotthere.我们一到那里就开始工作。Hewillvisityouassoonashegetsthere.他一到那里就会去拜访你。（2）whenever意为“每当，任何时候”，whenever可以用everytime替换。Helikeslisteningtomusicwheneverhehastime.每当他有时间的时候，他喜欢听音乐。3.Dotheexercises(C1andC2)onPage56.Answers:C11assoonas2whenever3Whenever4AssoonasC2(1)when(2)till/until(3)When/Before(4)whenever(5)Since/AfterStep5Languagepoints…hescored41pointsinagameagainsttheAtlantaHawks.……他在与亚特兰大老鹰队的一场比赛中得了41分。Against介词,意为“对抗,与……相反,违反”。OurclasswillplaybasketballagainstClass2.我们班要与二班进行篮球对抗赛。Weshouldneverdoanythingagainstthelaw.我们不应该做违法的事。【拓展】against作介词,还可意为“倚,靠”。Theboyisstandingagainstthedoor.那个男孩正靠着门站着。Step6Homework1.ReviseGrammarandfinishtheexercises.2.PreviewIntegratedskillsandStudyskills.Previewthewordsandreadthroughthenotes.当堂达标Ⅰ.单项选择。1.Tigerswait_______itisdark,thengoouttofindtheirfood.A.since B.until C.as D.because2.—YouhavebeeninNanjingverylong?—Yeah._______myparentscamehere.A.For B.As C.When D.Since3.Iwillsendyouane-mailassoonasI________inCanada.A.arrive B.arrived C.amarriving D.willarrive4.Hebrushedhisteeth______hewenttobed.A.after B.while C.before D.sinceⅡ.根据汉语提示完成句子。1.Becareful_____________________（做作业时）.2.She’llreturnthebookstoyou___________________（她一看完它们）.3.________________________（当我七岁时）,Icouldrideabike.4.Ididn’tgotobed_________________（直到我父亲回来）lastnight.5.Katewenttobed_____________________（在她读完书后）.6.Hewillgotosaygoodbyetohisfriends_________________（在他动身去美国之前）.答案:I.1-4BDACII.1.while(youare)doing