人教新目标版九上英语Unit8SectionA（GF-4c）【教案】

Unit8ItmustbelongtoCarla.SectionA（GF-4c）TeachingAims1.语言能力：正确运用must,might,could和can’t进行推断。2.文化意识：能够用所学语言做推断，表达自己的价值取向。3.思维品质：能根据图片推断信息之间的简单的逻辑关系。4.学习能力：能通过对图片的观察获取信息，进行推断。TeachingDifficulties能正确运用must,might,could和can’t进行推断TeachingAidsmultimediacoursewareorotherrealiathattheTneedsforteachingTeachingProceduresTipsStep1WarmingupReviewShowpicturesrelateto1b(volleyball,HarryPotter,musicCD,toytruck,magazines)toSs.Askthemtothinkaboutwhothesethingsbelongtoandwhy.TcanencourageSstousemodalverbstomakeinference.Step2Presentation&PracticeGrammarFocusAskSstoreadthesentencesintheboxandtellthemthatwecanmakeinferencesusingmodalverbs.情态动词表示推测情态动词can,could,may,might,must可以用来表示对发生或存在的事情的推测。这里could和might不是过去时，推测的语气不如can,may强;must表示推测时语气最强，意为“肯定，断定”。情态动词的推测程度为：may/might表示“有可能；大概”，might的语气比may要弱，相当于perhaps;can/could表示“或许”，其可能性比may/might要小，相当于possibly;must的可能性最强，语气较肯定。表示对现在及将来状态、动作的推测1.当表示对现在及将来状态的推测时，一般用can/could,may/might,must+动词原形。2.当对现在及将来正在发生的动作进行推测时，一般用can/could,may/might,must+be+doing（动词的进行时）。表示对过去状态、动作的推测1.当表示对过去的状态、动作推测时,must/may/might可用在肯定句中表示肯定的推测，一般用must/may/might+havedone（现在完成时）表示。2.can/could用在否定句中表示否定的推测，一般用can/could+not+havedone（现在完成时）表示对过去的状态、动作的推测。此外，can/could还可用在疑问句中表示推测。4aAskSstocompleteeachsentenceusingthewordsinbrackets.Answers:1.mightbe2.mustbe3.couldbe4.can’tbe5.couldbe/mustbe4bAskSstoreadtheconversationsandcompleteeachsentence.Answers:1.gettingcolder/coldoutside2.havingasorethroat/ill3.mustbedelicious4.bethatboring4cWorkinginpairs,getSstosharetheirideasaboutthepicture.Whatdotheybothagreeonandwhy?Whatdotheydisagreeonandwhy?(Tip:TherearenorightorwronganswersforthisactivityasmuchdependsonhoweachSjustifieswhathe/sheseeswiththeinferencehe/shemakes.)Optionalchoice:ShowSsmorepicturesofdifferentbedrooms,askthemtotellaboutthepersonineachroom.Step3Summary&HomeworkSummaryAskSstodotheexercisesfromPPTP19-20.HomeworkPreviewSectionB1a-1e.Dotheexercisesinstudents’book.TeachingReflectionWealwaysgetthestudentstolearngrammarbysummingupthesentencestheyhavelearned.Studentscanpracticegrammarbyusing.Aftertheyknowhowtousethesemodalverbstomakeinf