GrammarFocus-副本.ppt
Unit8ItmustbelongtoCarlaSectionAGrammarfocus-4c【学习内容学习内容】第三课时内容：第三课时内容：SectionAGrammarFocus4c【学习任务学习任务】1、熟练掌握、熟练掌握GrammarFocus的句子。的句子。2、学习使用、学习使用情态动词表推测情态动词表推测。3、掌握、掌握表肯定或否定语气的推测；表肯定或否定语气的推测；了解对现在情况了解对现在情况、对正在进行情况对正在进行情况、对过去情况的推测对过去情况的推测4、能、能用情态动词表推测的知识写一段话用情态动词表推测的知识写一段话。【导学流程导学流程】StepOne:【Lead-in】Lookatthefollowingpicturesandguesswhotheyarebyusingcouldbe,mustbeorcantbe?Shemightbe.No,I think she could be.IknowshemustbeWho is the singer?Itcantbe可可能能性性0%Itmight/couldbe可可能性能性20-80%Itmustbe可能可能性性100%What kind of animal is it?StepTwo:【自主学习自主学习】Task1:熟读Grammar Focus的句子2分钟。Task2:同桌检测，一人说汉语，一人说英语,看谁记背的句子多。-Whosevolleyballisthis?-ItmustbeCarlas.Shelovesvolleyball.-Whosebookisthis?-ItmustbeMarys.J.K.Rowlingisherfavoritewriter.-Whosehairbandisthis?-ItcouldbeMeis.StepThree:Readthesentencesbelow,payingattentiontothecoloredparts.-Whosenotebookisthis?-ItmustbeMings.Ithashernameonit.-WhoseFrenchbookisthis?-ItcouldbeCarols.ShestudiesFrench.-Whoseguitaristhis?-ItmightbelongtoAlice.Sheplaystheguitar.-WhoseT-shirtisthis?-ItcantbeJohns.Itistoosmallforhim.Readmoresentences.StepFour:【归纳知识点归纳知识点】任务一：读一读下列句子，找出表推测的部分。(独立完 成）1.The English book must be Toms.He likes reading English.2.The red coat could be Herrys.3.My school bag might be in the library.4.The room cant be a boys.任务任务二二：归纳知识点（独立完成）归纳知识点（独立完成）第第1个句子用个句子用，表示，表示语气的推测。语气的推测。第第2个句子用个句子用，表示，表示语气的推测。语气的推测。第第3个句子用个句子用，表示，表示语气的推测。语气的推测。第第4个句子用个句子用，表示，表示语气的推测。语气的推测。mustbe couldbe mightbecantbe肯定肯定肯定肯定肯定肯定否定否定任务三：读一读下列句子，翻译并找出表推测的部分。(独立完成）1.It could be Marys hair band.2.The person must go to our school.3.Its ten oclock.He must be having class.4.She is crying.She must have known the bad nwews.任务任务二二：同桌讨论同桌讨论，归纳知识点归纳知识点第第1个句子用个句子用 ，表示，表示 情况的推测。情况的推测。第第2个句子用个句子用 ，表示，表示 情况的推测情况的推测。第第3个句子用个句子用 ，表示，表示 情况的推测。情况的推测。第第4个句子用个句子用 ，表示，表示 情况情况的推测。的推测。couldbe mustgomustbehavingmusthaveknown现在现在现在现在正在进行正在进行过去过去mustcantcouldmight100%probably true20%-80%possibly truealmost not true表示推测的情态动词表示推测的情态动词在英语中，表示对某件事物的确定程度，在英语中，表示对某件事物的确定程度，即表示推测的时候，我们通常会用到以下即表示推测的时候，我们通常会用到以下情态动词情态动词:must,might,could,may,cant,couldnt。情态动词表示推测可以分为以下几种情况情态动词表示推测可以分为以下几种情况:情态动词情态动词+do此结构表示对现在或将来情况的推测和判断此结构表示对现在或将来情况的推测和判断Doyouknowwheresheisnow?Ithinkshemight travelinBeijing.情态动词情态动词+bedoing此结构表示对现在或将来正在进行的情况的此结构表示对现在或将来正在进行的情况的推测和判断。推测和判断。Atthismoment,myfathercant be workingintheoffice.情态动词情态动词+havedone此结构表示对过去情况的推测和判断。此结构表示对过去情况的推测和判断。Theroadiswet.Itmust have rainedlastnight.情态动词情态动词+havebeendoing此结构表示对过去正在进行的情况的推测此结构表示对过去正在进行的情况的推测和判断。和判断。Yourmothermust have been looking foryouatthatmoment.拓展运用拓展运用1.-Whose T-shirt is this?-It be Jhons.Its too small for him.A.cant B.may C.mustnt D.must 2.-Whose book is this?-It our English teachers.You see,his name is on it.A.cant B.can be C.mustnt D.must be3.这本书一定是属于Alice的。4.他一定正在他的房间里学习。StepFive:a-b.1.【自主学习自主学习】独立独立完成a,b_(3).Tara works as hard as Tina._ 2.【合作交流合作交流】讨论以上问题的答案，并纠错。讨论以上问题的答案，并纠错。【要求要求】：声音洪亮，展示集体的智慧。声音洪亮，展示集体的智慧。3.【展示提高展示提高】1.A:Wheres Jean?B:Im not sure.She(is/mightbe/must be)in the laboratory.2.A:Everyone is going to the pool aft er school.B:Really?It(must be/cant be/could be)hot outdoors.3.A:Thats the phone.B:Hmm.I wonder who it(must be could be/should be).aChoosethebestwaytocompleteeachsentenceusingthewordsinbrackets.mightbecouldbecouldbe4.A:I wonder if these are Jims glasses.B:They(cant be/might be/could be)his.He doesnt wearglasses.5.A:I hear water running in the bathroom.B:It(could be/must be/cantbe)Carla.She was thinking oftaking a shower.cantbecouldbe4aChoosethebestwaytocompleteeachsentenceusingthewordsinbrackets.The keys:mightbecouldbecouldbecantbecouldbe1.A:Manypeoplearewearingcoats.B:Theweathermustbe_.2.A:Sallyhasbeencoughingalot.B:Shemightbe_.3.A:Thisrestaurantisalwayscrowded.B:Thefood_.4.A:WheneverItrytoreadthisbook,Ifeelsleepy.B:Itcant_.4bCompletetheseresponses.StepEight:c 1.【自主学习自主学习】1.按照c的要求，写出表达你观点的句子。Look at this picture of a room.How much can you tell about the personwho lives here?Is it a boy or a girl?What arehis/her hobbies?Discussyour ideas with a partner.2.就你写出的句子，与你的同桌进行讨论，纠错，完成对话。_Step One:引入.谈论人物，激活表推测的不同情态动词 Step Two:通过记背Grammar Focus的句子学习新知识。Step Three:通过读更多句子理解情态动词表推测。Step Four:归纳总结情态动词表推测的知识。Step Five:运用新知识，完成练习。导学案说明导学案说明
