2026年天津市南开区第一中学初中英语第6单元语法课件

2026年天津市南开区第一中学初中英语第6单元语法课件聚焦时态应用与教学策略系统整理·参考借鉴目录CONTENTS01情境导入02教学目标03知识点讲解04例题演示05课堂互动06易错辨析07分层练习08总结与作业2026年天津市南开区第一中学初中英…2/243情境导入1.通过描述周末活动场景引入一般过去时态，如‘IvisitedthezoolastSunday.’2.展示学生旅游照片，提问：‘Whatdidyoudoyesterday?’引导学生思考时间状语的运用3.结合南开区中学生常见活动（如运动会、科技节）设计情景对话，激发学习兴趣2026年天津市南开区第一中学初中英…情境导入·3/24教学目标1.掌握一般过去时态的构成规则及动词过去式变化2.学会运用时间状语（yesterday,lastweek）描述过去事件3.能正确区分一般过去时与一般现在时的用法差异4.通过情景对话练习提高口语表达能力2026年天津市南开区第一中学初中英…教学目标·4/24知识点讲解◆【重点】一般过去时态构成：be动词过去式/规则动词+ed/不规则动词变化◆【例句】'Shewenttothelibraryyesterday.'vs'Shegoestothelibraryeveryday.'◆【难点】不规则动词过去式记忆：如go-went,eat-ate,see-saw◆时间状语运用技巧：always/often/yesterday/lastyear等词汇搭配场景2026年天津市南开区第一中学初中英…知识点讲解·5/246例题演示■【例题1】Completethesentence:'He______(play)footballyesterday.'(Answer:played)■【解题过程】分析动词play属于规则动词，过去式加-ed，故填played■【例题2】TrueorFalse?'Shedidn'twatchTVlastnight.'(Answer:True)■【互动提问】Ifyouwereattheparty,whatdidyoudo?(Elicit'Idanced')2026年天津市南开区第一中学初中英…例题演示·6/24课堂互动▸小组任务：每组设计一个过去日子的故事（3分钟准备+5分钟展示）▸讨论环节：比较一般过去时与一般现在时的使用场景差异▸游戏规则：教师描述过去事件，学生抢答使用的时态（如'Theteachergaveushomeworkyesterday.'->PastSimple)2026年天津市南开区第一中学初中英…课堂互动·7/24易错辨析•【易错】'Iateat7pmyesterday.'vs'Iateyesterday.'(Answer:formeriscorrect)•【正误对照】'HewatchTVlastnight.'(X)'HewatchedTVlastnight.'(√)•【语法辨析】不规则动词'buy-bought'与'buy-buy'的区分场景•动词-ed发音规则：当词尾为辅音字母+y时，变i+ed（study-studied）2026年天津市南开区第一中学初中英…易错辨析·8/24分层练习1基础巩固：填空练习（含规则/不规则动词过去式）2能力提升：根据图片描述过去事件（提供句型模板）3拓展挑战：改错练习（包含时态/拼写/冠词错误）4分层说明：基础组完成1-2题，提升组完成全部，挑战组额外完成附加题2026年天津市南开区第一中学初中英…分层练习·9/24总结与作业1.【知识梳理】一般过去时构成要点：be动词变化/规则动词+ed/不规则动词记忆2.【课后作业】1.用过去式写5个关于昨天的句子2.记忆10个不规则动词过去式3.预习第7单元词汇3.【拓展思考】为什么英语中要区分规则动词和不规则动词？(提示：历史演变与语言简化)2026年天津市南开区第一中学初中英…总结与作业·10/2411概念辨析：非谓语动词类型1.Presentparticiple（现在分词）结构为'be+doing'，表主动或进行状态，如'readingbooks'表示正在读书。过去分词'done'表被动或完成，如'finishedhomework'表示作业已做完。2.Pastparticiple（过去分词）常见于被动语态，如'brokenwindow'（窗户被打破），也可作形容词，如'interestedstudents'（感兴趣的学生）。3.Infinitive（不定式）'todo'或'doing'，作主语时需'Itis+doing...'，如'ItisimportanttolearnEnglish'。作宾语时，直接跟动词，如'wanttosucceed'。4.Non-finiteverbscanreplacefiniteverbsinpassivevoice，e.g.'Thebookisread'insteadof'Thebookisbeingread'forconciseness.2026年天津市南开区第一中学初中英…知识点讲解·11/24非谓语动词的语法功能1.Assubjects，infinitivesemphasizepurpose，e.g.'Toerrishuman'（犯错是人之常情）。2.Asobjects，presentparticiplesdescribeactions，e.g.'Ienjoywatchingmovies'（我喜欢看电影）。3.Asadjectives，pastparticiplesmodifynouns，e.g.'adevelopedcountry'（发达国家）。4.Ascomplements，progressiveparticiplesexplainongoingstates，e.g.'Heseemedsleeping'（他似乎在睡觉）。2026年天津市南开区第一中学初中英…知识点讲解·12/24【例题】非谓语动词在句子中的位置◆Infinitivesoftenfollowmodalverbs，e.g.'Youshouldstopsmoking.'（你应该戒烟。）◆Presentparticiplescanbepostpositive，e.g.'Thegirlsingingismysister.'（唱歌的女孩是我姐姐。）◆Pastparticiplesprecedeprepositions，e.g.'Famousforitshistory，thecityattractstourists.'（因其历史而闻名，这座城市吸引游客。）◆Multiplenon-finiteverbscoexist，e.g.'TofinishthereportandtosubmititbyFridayisnecessary.'（在周五前完成并提交报告是必要的。）2026年天津市南开区第一中学初中英…例题演示·13/2414【练习】非谓语动词填空题■Completethesentence:'Shelovesspendingtimewithherfamily.'（动词形式作宾语补足语）Answer:'reading.'（阅读）■Fillintheblank:'ToimproveEnglishskillsrequiresconsistentpractice.'（不定式作主语）Answer:'requires'（需要）■Rewritethesentenceusingpastparticiple:'Themeetingwasattendedbyallstaffmembers.'（被动语态改写）Answer:'Allstaffmembersattendedthemeeting.'（所有员工都参加了会议）■Transformthesentence:'Headmittedbreakingthewindow.'（名词作主语改写）Answer:'Hisbreakingthewindowwasadmitted.'（他打破窗户的事被承认了）2026年天津市南开区第一中学初中英…分层练习·14/24【易错】非谓语动词的时态混淆▸Activeparticiplemistakes:'Thebookreadyesterdaywasinteresting.'（应为'ThebookIreadyesterday...'）▸Passiveparticipleerrors:'Heseemedbeingpunished.'（应为'Heseemedpunished.'）▸Infinitivewith'too':'It'stoodangeroustoswimhere.'（注意'to'不可省略）▸Redundantforms:'Iwanttogohomeandtorelax.'（应为'Iwanttogohomeandrelax.'）2026年天津市南开区第一中学初中英…易错辨析·15/24【互动】非谓语动词情景对话•Teacher:'Whatdoyouusuallydoafterschool?'（学生回答'study/playbasketball/helpparents'）•Pairwork:StudentAmakesasentencewithinfinitive，StudentBcorrectserrors.Example:'TolearnFrenchiseasyforyou.'（应为'LearningFrenchiseasyforyou.'）•Role-play:Describe'ahardworkingstudent'usingpastparticiple，thencomparewith'ahappychild'usingpresentparticiple.•Groupactivity:Sort'torun/running/runned/run'intocorrectformsandexplainrules.2026年天津市南开区第一中学初中英…课堂互动·16/24【作业】非谓语动词改错题1Identifyerrorsin:'Sheistiredoftolistentomusiceverynight.'（Answer:'to'shouldbe'listening'）2Rewritepassivetoactive:'Theproblemwassolvedbytheteam.'（Answer:'Theteamsolvedtheproblem.'）3Completetheparagraphwithcorrectforms:'Helikestravelingbecause___（interest）him.___（see）theworld___（excite）himmorethan___（read）books.'（Answer:'interests/Seeing/excites/reading'）4Create3sentencesusingeachnon-finiteform:presentparticiple,pastparticiple,infinitive.2026年天津市南开区第一中学初中英…总结与作业·17/24非谓语动词与定语从句的异同1.Similarity:Bothcanmodifynouns，e.g.'themansinging'（分词）vs.'themanwhoissinging'（定语从句）。2.Difference:Participleimpliescloseness，whilerelativeclausesshowlogicalconnection，e.g.'thebookpublishedlastyear'（时间顺序）vs.'thebookwhichIboughtlastyear'（原因隐含）。3.Formdistinction:Participleis'doing/done'，relativeclauseis'who/which/that'.4.Errorexample:'Thedogbarkingloudly'（incorrect，shouldbe'barking'or'thatisbarking'）.2026年天津市南开区第一中学初中英…知识点讲解·18/2419【例题】非谓语动词作状语分析1.Adverbialofreason:'Feelingtired，hewenttobedearly.'（原因状语）2.Adverbialofmanner:'Runningquickly，thethiefescaped.'（方式状语）3.Adverbialoftime:'Notseeinghim，Icalledhisname.'（时间/条件状语）4.Multipleadverbials:'Havingfinishedthework，wewenttocelebrate.'（时间）&'Carefullyopeningthebox，shefoundagift.'（方式）2026年天津市南开区第一中学初中英…例题演示·19/24【练习】非谓语动词改写1.Rewriteusingpresentparticiple:'Whentherainstopped，wewentout.'（Answer:'Havingstoppedtherain，wewentout.'）2.Addpastparticiple:'Hewalkedpastthemarket.'（Answer:'Hewalkedpastthemarketlaughing.'）3.Changeinfinitivetoparticiple:'Shedecidedtoleaveimmediately.'（Answer:'Havingdecidedtoleaveimmediately，sheleft.'）4.Combinetwosentenceswithparticiple:'Shewashungry.Sheboughtsomefood.'（Answer:'Hungry，sheboughtsomefood.'）2026年天津市南开区第一中学初中英…分层练习·20/24【易错】独立主格结构误区◆Subject-verbagreementerrors:'Weatherpermitting，wewillgohiking.'（Weathershouldbesingular）◆Incorrectparticipleform:'Theteachercomingismyfavorite.'（应为'Theteacherwhoiscoming...'）◆Redundantadverbials:'Hearrivedlatealthoughhavingarrivedearly.'（矛盾，只能选其一）◆Misplacedmodifier:'Walkingdownthestreet，thetreeslookedbeautiful.'（应为'AsIwaswalking...'）2026年天津市南开区第一中学初中英…易错辨析·21/2422【互动】非谓语动词辩论赛■Debatetopic:'Isitbettertotravelthantoreadbooks?'（Studentsargueusinginfinitives，e.g.'Totravelbroadenshorizons.'）■Teachershowspictures（e.g.asleepingcat）andasks:'What'shappening?Ho