北师大版（2019） 选择性必修第四册 Unit 10 Connections Lesson 1 How Closely Connected Are We-

Book4Unit10Connections教学设计Lesson1Grammar板块教学设计（建议时长40–45分钟，教师可根据教学实际酌情调整。）课型Grammar主题语境人与社会——“六度分隔”理论的内涵及发展历程内容分析本文为一篇说明文，说明对象为涉及人与人之间紧密关系的“六度分隔”理论。本文不仅介绍了该理论的定义，并按时间顺序展示了不同时期不同人们对该理论的发展、验证及实验的方法与结论。在介绍其各阶段的研究时，文章大量运用过去时的被动语态陈述实验的过程、方法及结果，所使用的过去时的被动语态包括一般过去时的被动语态、过去进行时的被动语态和过去完成时的被动语态。教学目标1.辨析句子中的过去时的被动语态（一般过去时的被动语态、过去进行时的被动语态和过去完成时的被动语态）；2.分析、识别三种过去时的被动语态的构成、用法及几种特殊结构；3.在句子中正确使用过去时的被动语态。教学重点掌握三种过去时的被动语态的构成及用法。教学难点正确使用过去时的被动语态表达句子的意思。教学策略DiscoveryApproachTeachingcontentsProceduresPurposesTeacher’sactivityStudents’activityLeadin1.Tpresentssomesentencesinlesson1andasksSstoobserveandtellthetypeofpassiveformsoftheunderlinedpart.2.TlistsmoresentenceswithpassiveformsinthepastandleadsSstojudgethevoiceandtenseofthem.1.Ssobservethegivensentencestotellwhichtypeofpassiveformsisusedintheunderlinedpartineachsentence.2.Ssjudgethevoiceandtenseofthesentences.1.Recallthecontextinformationtheyhavelearnt.2.FindthegrammarknowledgeinthearticlesandmakeSsrealizegrammarexpressesmeaning.3.Summarizetheformofpassiveformsinthepastfirst.HavealookTleadsSstofindmoresentencesusingpassiveformsinthepastinthetext.Ssreadthetextcarefullytounderlinethesentencespassiveformsinthepast.StrengthenSs’understandingofthepassiveformsinthepast.AnalyzeTpresentsthesentencesusingthetenseofPastSimplePassive,PastContinuousPassiveandPastPerfectPassiveforSstosummarizetheirstructureandusesrespectively.TpresentssentencesforSstosummarizeseveralspecialusesofPassiveFormsinthePast.SsanalyzethegivensentencestoconcludestructuresandusesofPassiveFormsinthePast.SsreadtheexamplesentencestoanalyzeandconcludethespecialusesofPassiveFormsinthePast.AnalyzeandsummarizethestructuresandusesofthreetypesofPassiveFormsinthePast.PracticeTshowsSsthesentencesforSstofillintheblankstocompletethemwithsuitabletenses.TguidesSstofinishExercise8onPage8.Sstrytocompletethesentenceswiththegrammartheyhavelearnt.SsfinishExercise9topractisecomposingsentenceswithpassiveformsinthepast.Applypassiveformsinthepasttofinishsentences.ReviewTleadsSstoreviewthegrammartheyhavelearnedandretellthedevelopmentofthetheoryof“SixDegreesofSeparation”usingpassiveformsinthepast.Ssrevisethegrammarknowledgeandapplyittoretellthedevelopmentofthetheory.Reviewthestructuresandusesofpassiveformsinthepasttoconsolidate.Applythegrammartoexpressmeanings.QuizTasksSstofinishmoreexercises(blankfilling,translationandsentenceformtransformation)aboutpassiveformsinthepast.Ssfinishtheexercises.CheckhowwellSsmasterthegrammar.Self-evaluationTshowsSstheself-evaluationtableforSstoreflectontheirperformance.Sslookatthetableandthinkaboutthethreeaspectsinlearningthegrammar.HelpSstoassesstheirlearningintheclasstofindtheparttheydowellandtheparttheydon’tdosowell,sotheywillknowexactlywhattheyneedtodonext.HomeworkTasksSsto“Writeapassagetodescribeaneventinthepastusing