【新教材】人教版（2024）八年级上册英语Unit 8 Section A (Grammar Focus 3a-3c) 教案

第第页【新教材】人教版（2024）八年级上册英语Unit8SectionA(GrammarFocus3a-3c)教案（第三课时·语法课）依据《义务教育英语课程标准（2022年版）》编制课题Let'sCommunicate!（Unit8SectionAGrammarFocus3a-3c）课型语法课（Grammar）课时第3课时（45分钟）授课年级八年级上册核心素养目标素养维度目标描述语言能力理解if引导的条件状语从句：概述（在复合句中作条件状语的句子，常用if引导）、位置（可前可后，位于主句前要用逗号隔开，位于主句后不必用逗号）、时态（主句为一般将来时、含情态动词may/might/can/must/should的句子或祈使句时，从句用一般现在时表达将来含义——“主将从现”）；掌握句型转换（祈使句+and/or+句子；without/with转换）；能完成3b连线与3c两段语篇填空并讨论情境与对象。学习能力通过观察3a五句的主从句时态自主归纳“主将从现”规则；按“检索例句—归纳规则—巩固练习—语篇运用”四步学习语法；借助3b六个if句的前后件逻辑配对。思维品质辨析and（顺承，那么）与or（转折，否则）的转换方向；理解without（否定条件）与with（肯定条件）与if句的互转逻辑；推断3c两段语篇的交际情境（同学聚会邀请／球队训练计划）与信息对象。文化意识通过3c语篇体会真诚沟通的价值——邀请老同学重聚（dropmealine留言）、与队友商定训练计划，都需要清晰表达条件与期待；懂得promisemeyou'llthinkaboutitseriously中的郑重与信任。教学重难点教学重点：①if条件状语从句的概述、位置与三种“主将从现”情形（课本p.75）；②祈使句+and/or与without/with两种转换；③3b六句配对与3c两段填空（go/willsee/drop/willgive；start/willperform/Give/let/think）。教学难点：①主句含情态动词或为祈使句时从句仍用一般现在时；②3c中祈使句（drop/Give）与will主句的混排判断；③3b中willyoujoinmefordinner?（主句为一般疑问句）的配对逻辑。教学过程教学环节师生活动活动观层次评价要点Step1歌曲导入(3’)①Enjoyasong；②复习：if引导的条件状语从句在SectionA已出现（Ifeverythinggoeswell,I'llseeyouat7:15.），点题本课系统学习其规则。学习理解感知与注意旧知复现（诊断性评价）Step2Workon3a观察发现(6’)①Readthesentences.Findmoresentenceswithif-clausesinSectionA.（p.75）——Ifyouwanttosolvetheproblem,aface-to-facetalkusuallyworksthebest./Textingcanmakethingsworseifyou'renotcarefulwithyourwords./Iftherehearsalendsat7:00p.m.,I'llpickyouupat7:15p.m./Ifyoustaycalmandsaysorry,itwillhelp./IfIgothere,Iwilltryallthedeliciouslocalfood.；②What'sthesimilarityofthesesentences?—都由if引导；③Whatarethetensesofthemainclause（主句）andthesubordinateclause（从句）?——逐句标注：一般现在时/一般现在时；一般现在时+情态动词/一般现在时；一般将来时/一般现在时；一般将来时/一般现在时；一般将来时/一般现在时。学习理解分析与判断五句时态标注正确率Step3例句检索(3’)①SectionA1b,1c——1.We'llfinishat7:00p.m.ifit'sontime.2.Ifeverythinggoeswell,I'llseeyouat7:15.3.Ifthetrafficistoobad,you'llhavetowaitforafewminutes.4.IfIvisitChinathisyear,Iwillgototheparkwithyou.5.Ifyoucanmakeit,I'llshowyouaroundthecityandletyoutastealltheyummylocalfood.6.Whenwilltherehearsalendifit'sontime?7.WhatwillthemandoifhevisitsChinathisyear?；②SectionA1d——Ifyoucometomycity,I'llshowyouaround./IfIgothere,I'lltryallthedeliciouslocalfood.；③SectionA2aand2d——Ifyouwanttosolvetheproblem,aface-to-facetalkusuallyworksthebest./Ifyoucan'tmeet,justcallyourfriend./…ittakeslongerandcanmakethingsworseifyou'renotcarefulwithyourwords./Ifyoustaycalmandsaysorry,itwillhelp./Ifitisstillhardtotalk,takeabreak.；④SectionA2e——Ifyoucancome,I'llbeveryhappy./Ifyouwanttomakesomenewfriends,thisisagoodchance./Ifyouneedhelp,Ithinkyoushouldtell…/Ifyoutalkto…,Ithinkhe/shewillbehappytohelpyou./Ifyougothere,you'll…/Ifyoujoinme,wecan…学习理解获取与梳理例句检索完整度Step4概述与位置(5’)①讨论三问——什么是条件状语从句？条件状语从句和主句的位置关系是怎样的？条件状语从句可以和其他句式进行转换吗？；②概述：在复合句中作条件状语的句子叫条件状语从句，常用if来引导；③位置：既可放在主句前，也可放在主句后。位于主句前，要用逗号与主句隔开（Ifyouwanttokeepfit,youshouldexerciseatleastthirtyminutesaday.如果你想保持健康，你每天至少应该锻炼三十分钟。）；位于主句后，其前不必用逗号（Thechildrenwon'tpayattentiontotheirmistakesiftheteachersdon'ttellthem.如果老师不告诉孩子们，他们就不会注意到自己的错误。）学习理解概括与整合位置判断（逗号使用）Step5时态主将从现(7’)①情形1：主句是一般将来时——Ifit'ssunnytomorrow,theywillgocamping.如果明天是晴天，他们就去露营。（从句一般现在时，主句一般将来时——“主将从现”，高频考点）；②情形2：主句是含有情态动词may,might,can,must,should等的句子——Ifwestartrightaway,wecanfinishtheworkontime.如果我们马上开始，就能按时完成这项工作。；③情形3：主句是祈使句——Workhardifyouwanttopasstheexam.如果你想通过考试，就得努力学习。学习理解概括与整合三种情形的例句仿说与判断（对应语言能力目标）Step6句型转换(5’)①祈使句+and/or+句子（一般将来时）：and表示顺承（那么，就）；or表示转折（否则）——Ifyougetupearly,you'llcatchtheschoolbus.=Getupearly,andyou'llcatchtheschoolbus.=Getupearly,oryouwon'tcatchtheschoolbus.早点起床，你就会赶上校车。；②without/with转换：Ifthereisnosunshine,plantswilldie.=Plantswilldiewithoutsunshine.如果没有阳光，植物将会死亡。/Ifyouhelpme,I'llgetbettergrades.=Withyourhelp,I'llgetbettergrades.如果你帮助我，我将取得更好的成绩。学习理解→应用实践内化与运用两种转换的正误判断Step7巩固练习(6’)①用括号内所给内容的适当形式填空——1.Don'tplayfootballoutsideifitrains(rain)thisafternoon.2.Ifyoudon'tlistencarefully,youwon'tknow(notknow)theanswer.3.Amyissoconfident.Shethinksshecandoanythingifshetries(try)herbest.4.Tell(tell)Jimthegoodnewsifyoumeet(meet)himtomorrowmorning.5.Myauntwilltake(take)mycousinandmetotheconcertifshegets(get)thetickets.；②单项选择——1.（河北中考）Ifyoucanuseyourdictionary,youwilllearnEnglishbetter.→A.If；2.（郴州中考）Ifyoustudyhard,yourdreamwillcometrue.→C.study；3.（贺州中考）Idon'tknowifLucywillgotoJack'spartynextSunday.Ifshegoes,sowillI.→D（第一空if意为“是否”，引导宾语从句用将来时；第二空if引导条件状语从句用一般现在时）；③同义句——1.Studyhard,andyouwillpasstheexam.=Ifyoustudyhard,youwillpasstheexam.2.Withoutenoughexercise,youwillgetfat.=Ifyoudon'ttakeenoughexercise,youwillgetfat.应用实践内化与运用填空/单选/同义句正确率（对应语言能力目标）Step8Workon3b句子配对(4’)①Matchthetwopartstomakesentences.（p.75）——1.Ifwecanhaveaface-to-facemeeting,→B.we'llunderstandeachotherbetter.2.IfIhavegoodnews,→D.I'llcallyourightaway.3.Ifyouneedtoleave,→E.I'llcallataxiforyou.4.Ifyoucanfinishyourworkearlytoday,→F.willyoujoinmefordinner?5.Iftheoldmanhasdifficultyinhearing,→C.youcanwritethingsdownforhim.6.Ifyoucan'treachherbyphone,→A.trytexting.；②短语：joinsbforsth与某人一起做某事；havedifficulty(in)doingsth做某事有困难；rightaway立即；马上；writedown写下；记下；③语言点reach：①（及物动词）联系，与……取得联系（Ifyouneedhelp,youcanreachmeanytime.）；②（及物动词）到达，＝arrivedat/gotto（WeallreachedthetopofthemountainexceptTim.）；③（动词）伸手（Shereachedinsideherbagforawallet.）。应用实践内化与运用3b配对正确率与reach用法判断Step9Workon3c语篇填空(5’)①语篇1（聚会邀请）——…Ifthingsgo(go)well,wewillsee(see)allthoseoldfacesagain.Justthinkhowgreatitwillbe!（how引导的感叹句作think的宾语）Ifyouthinkyoucancome,drop(drop)mealineandIwillgive(give)youallthedetailsaboutthereunion.Butpromisemeyou'llthinkaboutitseriously.；②语篇2（训练计划）——Hey,it'sme.Iwantedtotalktoyouaboutthetrainingplanforourteam.Thenewseasoniscoming,soit'stimetomakeaplanforourtraining.Ifwestart(start)earlierthisyear,Ithinkwewillperform(perform)better.Give(give)meacallandlet(let)meknowifyouthink(think)ofagoodtimeforeveryonetomeet.Talktoyousoon!（makeaplan制订计划；agoodtime(forsb)todosth（某人）做某事的好时候）；③Thendiscusswhatthesituationsareandwhomtheinformationisfor.——语篇1：围绕聚会（reunion）相关的假设交流，信息对象是被邀请参加聚会的对象；语篇2：团队训练计划的沟通，信息对象是团队里一起参与训练计划讨论的成员；④语言点：It'stime(forsb)todosth.到（某人）做某事的时间了（It'stimeforyoutogetup.）；拓展：It'stimefor(doing)sth.（It'stimefortraining.到训练的时间了。）应用实践内化与运用两段填空正确率与情境推断（对应思维品质目标）Step10总结作业(3’)①Summary：if引导的条件状语从句——概述、位置（前逗号/后无逗号）、时态（主将从现三情形）、转换（祈使句+and/or；without/with）；②布置分层作业：1.Reviewthenewwordsandphrases.2.Reviewthegrammarknowledgeofif-clauses.3.Makeupsentencesbyusingif-clauses.（依据教材作业）迁移创新概括与整合规则复述完整度作业设计（分层）【基础·必做】Reviewthenewwordsandphrases.Reviewthegrammarknowledgeofif-clauses.（依据教材基础作业）；完成“巩固检测一”。巩固检测一用括号内所给内容的适当形式填空（课堂原题）1.Don'tplayfootballoutsideifit______(rain)thisafternoon.2.Ifyoudon'tlistencarefully,you____________(notknow)theanswer.3.Amyissoconfident.Shethinksshecandoanythingifshe_____(try)herbest.4._____(tell)Jimthegoodnewsifyou______(meet)himtomorrowmorning.5.Myaunt_________(take)mycousinandmetotheconcertifshe_____(get)thetickets.【提升·选做】完成“巩固检测二”（中考真题与同义句转换，课堂原题）。巩固检测二单项选择与同义句（课堂原题）1.（河北中考）_____youcanuseyourdictionary,youwilllearnEnglishbetter.A.IfB.UnlessC.ThoughD.Before2.（郴州中考）—Ireallywanttogotocollegeforfurtherstudy.—Believeinyourself.Ifyou______hard,yourdreamwillcometrue.A.willstudyB.studiedC.study3.（贺州中考）Idon'tknowifLucy_____toJack'spartynextSunday.Ifshe_____,sowillI.A.go;goesB.willgo;willgoC.goes;willgoD.willgo;goes4.Studyhard,andyouwillpasstheexam.（改为同义句）_____youstudyhard,you____passtheexam.5.Withoutenoughexercise,youwillgetfat.（改为同义句）____________________takeenoughexercise,youwillgetfat.【拓展·挑战】Makeupsentencesbyusingif-clauses.（依据教材拓展作业）：以IfIhavearobot…为开头，连写五个if句组成一条“连锁故事”（依据课本Pronunciation2的链条形式）。巩固检测三if句连锁故事（依据课堂任务延伸）仿照Ifyougiveacatsomemilk…的链条，五句首尾相接，注意主将从现。巩固检测参考答案（供教师批阅）一：1.rains（主将从现，从句三单）2.won'tknow（主句一般将来时）3.tries（if从句三单）4.Tell;meet（主句祈使句，从句一般现在时）5.willtake;gets二：1.A2.C3.D（第一