九年级英语全册 Unit 8 It must belong to Carla(第3课时)教案 (新版)人教新目标版
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2022-07-19 09:00:04
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Unit8ItmustbelongtoCarla(第3课时)一、教学目标:1.语言知识目标:1)学习掌握下列词汇:laboratory,coat,sleepy,pocket2)进行一步复习巩固学习SectionA部分所学的生词和词组。3)掌握情态动词的用法和物体所属的句型。2.能力与发展目标:让学生用情态动词编写表示推测的句子。3.情感态度价值观目标:面对身边暂时不可解释的现象,根据已有证据进行合理推测。不信谣,不传谣。二、教学重难点1.教学重点:1)复习巩固SectionA部分所学的生词和词组,达到熟练运用的目标。2)总结情态动词的用法。2.教学难点:1)学习运用情态动词的用法。2)掌握物体所属的句型。三、教学过程Ⅰ.RevisionReviewsomemainphrasesandsentenceswelearnedinthelastclass.Ⅱ.GrammarFocusFillintheblanks.1.这是谁的排球?___________________isthis?这一定是卡拉的。她热爱排球运动。It_________be______.Shelovesvolleyball.2.这是谁的发带?__________________isthis?它可能是梅的发带。或者可能属于琳达。她们两人都是长头发。It_____beMei’shairband.Orit______belongtoLinda.They___havelonghair.3.那晚你看见了什么?______didyouseethatnight?我不确定,但肯定不可能是狗。它更大。我想也许是一头熊或一匹狼。I'm_________,butit_________adog.Itwasbigger.Ithinkit_________abearorawolf.Ⅲ.TrytoFind情态动词表推测,可能性:must>can/could>may/might一、must表示可能性最大的肯定推测,意思是“一定、准是”。只能用于肯定句。如果要表示“一定不”,应该用can't。如果询问可能性时,应该用can。e.g.Hemustknowtheanswers.他肯定知道答案。Hecan'tknowtheanswers.他肯定不知道答案Canheknowtheanswer?他知道答案吗?二、can/couldcan表示推测“可能性”时,一般用于否定句或疑问句。can在疑问句中意思是“会,可能”。e.g.Hecan’tpickherschoolbagup.他不可能拿了她的书包。could用于表示某事有可能发生或可能是事实。e.g.Don’teatit.Itcouldgobad.不要吃它,可能坏了。Theplanecouldbeputoffbythestorm.这趟飞机可能会因为暴风雨而推迟。could可用于表示客气、礼貌、委婉的请求语气。Couldyoupleasehelpmewithmyhomework?你能帮我完成我的家庭作业吗?三、may/mightmay,might表示推测“可能性”时,意思是“可能”,“也许”。might不表示过去时态,语气更委婉,可能性更小。may,might表推测时,可用于否定句,但不用于疑问句。e.g.Hemay/mightnotbeathome,butI'mnotsure.他可能不在家,不过我也不确定。四、推测时态1.must:推测现在/正在/过去发生的动作。e.g.Hemusthaveacarnow.(现在)他一定有一辆小汽车。Hemustbefinishinghishomeworkathome.(正在进行)他一定在家做作业。Hemusthavefinishedthework.(过去)他一定已完成了工作。2.cancan/can’t后可接进行时/完成时,表示对现在发生的动作或过去发生的动作进行推测。e.g.Theycan’tbereadinginthelibrary.他们一定不在图书馆读书。Hecan’thavegonetoShanghaibecauseIsawhimjustnow.他不可能去了上海,我刚看见他了。3.may/mightmay,might可以推测现在正在发生的动作或过去发生的动作,还可以推测将来的情况。e.g.Hemay/mightbesleepingnow.(现在)他可能正在睡觉。Thesepeoplemay/mighthaveseenthefilmbefore.(过去)这些人以前可能看过这部电影。Itmayrain.Therearesomeclouds.(将来)可能会下雨。因为有一些乌云。Ⅳ.ExercisesChoosethecorrectanswer.1.—Excuseme.IsthistherightwaytotheSummerPalace?—Sorry,Iamnotsure.It________be.A.mightB.willC.mustD.can2.—Isn’tthatAnn’shusbandoverthere?—No,it____behim—I’msurehedoesn’twearglasses.A.can’tB.mustnotC.won’tD.maynot3.You______betired—you’veonlybeenworkingforanhour.A.mustnotB.won’tC.can’tD.maynot4.—IsJohncomingbytrain?—Heshould,buthe________not.Helikesdrivinghiscar.A.mustB.canC.needD.mayⅤ.PracticeWorkon4a.Choosethebestwaytocompleteeachsentenceusingthewordsinbrackets.1.让学生们理解句子意思。1.A:Where’sJean?B:I’mnotsure.She______(is/mightbe/mustbe)inthelaboratory.2.A:Everyoneisgoingtothepoolafterschool.B:Really?It_______(mustbe/can’tbe/couldbe)hotoutdoors.3.A:That’sthephone.B:Hmm.Iwonderwhoit_______(mustbe/couldbe/shouldbe).4.A:IwonderifthereareJim’sglasses.B:They_______(can’tbe/mightbe/couldbe)his.Hedoesn’twearglasses.5.A:Ihearwaterrunninginthebathroom.B:It_______(couldbe/mustbe/can’tbe)Carla.Shewasthinkingoftakingashower.2.根据句意选择正确的情态动词。3.最后,通读一遍句子,进行综合理解,看句子内容是否通顺,合理。4.ChecktheanswerswiththeSs.Keys:mightbe,mustbe,couldbe,can’tbe,mustbe5.Explanation.(1)besure(of/aboutsth/doing)确信...,对...有把握besuretodosth“必定”,“必然会”,"准会"(2)表示“位移”的动词用现在进行时态表将来,例如:go去,come来,leave离开,arrive到达,return回来,fly飞。(3)wonderv.“想知道”(wanttoknow)Nowonder+句子“难怪.....”e.g.Nowonderyouareangry.难怪你觉得生气。(4)thinkof想要;打算e.g.Ithoughtofplayingbasketball.我想打篮球。Workon4b.Completetheseresponses.1.TellSstounderstandthesentences.1.A:Manypeoplearewearingcoats.B:Theweathermustbe____.2.A:Sallyhasbeencoughingalot.B:Shemightbe_______.3.A:Thisrestaurantisalwaysverycrowded.B:Thefood________________.4.A:WheneverItrytoreadthisbook,Ifeelsleepy.B:Itcan’t_____________________.2.LetSswritedownpossibleanswersasmuchaspossible.3.LetSschecktheiranswerswiththeirpartners.4.Checktheanswerstogether.Keys:cold,sick/ill,mustbedelicious,beinteresting/attractiveⅥ.GroupWorkLookatthispictureofaroom.Howmuchcanyoutellaboutthepersonwholiveshere?Isitaboyoragirl?Whatarehis/herhobbies?Discussyourideaswithapartner.A:Itcouldbeagirl'sroombecauseit'sverytidy.B:Iguessso.Butitmightbeaboy'sroombecausetheclotheslooklikeboys'clothes.A:Itcould/might/can'tbe...because...B:Iguessso/Idon’tthinkso.Butitmight/could/mustbe...because...Ⅶ.HomeworkRemembertheGrammar.Finishtheexercisein4c.教学反思:为了提高课堂教学的有效性,充分调动学生学习的积极性,培养他们自主学习和探究合作的能力。本节课围绕目标语言,坚持“以生为本”的教学理念,以个别提问,小组合作,课堂检测等形式来展开教学,使学生在深入理解和活运用的基础上掌握本节课的知识点。取得了良好的课堂效果。