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1、Section A 3a-4CUnit 3Unit 3 Read and answer:What did Nancys mother ask her to do one day last month when she came home from school?She asked Nancy to take the dog for a walk.Q1: Why was Nancys mom angry with Nancy? Read and answer:Because Nancy wanted to watch TV show after school instead of taking
2、the dog for a walk.Q2: Did they solve the problem? How?Yes, they did. Nancy made the house clean and tidy. And she understood that they need to share the housework to have a clean and comfortable home.3b Find the sentences that mean the same thing.1. Neither of us did any housework for a week.2. My
3、mom came over as soon as I sat down in front of the TV.For one week, she did not do any housework and neither did I. The minute I sat down in front of the TV, my mom came over. 3. Youre tired, but Im tired, too.Im just as tired as you are. 1.Afterdinner,youneedto_.2.Afterthewashedclothesaredry,youne
4、edto_.3.Ifthedustbinisfull,youhaveto_.Brainstorm头脑风暴头脑风暴dothedishesfoldyourclothestakeoutthetrash4.Ifthereislotsofdustonthefloor,youhaveto_.5.Afteryougetupinthemorning,youneedto_.6.Ifyourclothesaredirty,youneedto_.7.Ifyourbikeisdirty,youhaveto_.cleanthefloormakethebeddosomewashingcleanthebikeGrammar
5、Focusa.Yes,hereyouare.b.Hmm.Howmuchdoyouneed?c.Yes,sure.Noproblem.Ifinishedreadingitlastnight.d.Yes,butdontcomebacktoolate.e.No,Icant.IcutmyfingerandImtryingnottogetitwet.4a Write R for requests and P for permission. Then match each one with the correct response. 1._CouldIhangoutwithmyfriendsafterth
6、emovies?出去玩出去玩2._Couldyoupleasepassmethesalt?3._CouldIborrowthatbook?4._Couldyouhelpmedothedishes?5._Couldyoulendmesomemoney?PPRRRdaceb4b Fill in the blanks in the conversation. A:Ihateto_chores.B:Well,Ihatesomechorestoo,butIlikeotherchores.A:Really?Great!_Iaskyouto_mewithsomechoresthen?B:Whatdoyoun
7、eedhelpwith?A:_youplease_myclothesforme?B:Idontwanttodothat!Itsboring!CouldfoldhelpdoCouldA:OK.Then_you_dothedishesforme?B:Sure,noproblem.But_wegotothemoviesafterthat?A:Sure.Illfinishmyhomeworkwhileyouhelpmewiththedishes.Thenwecangotothemovies.pleasecouldcould只作情态动词的只作情态动词的can/could,may/might,must可情
8、态可实义的可情态可实义的need可情态可助动词的可情态可助动词的shall/should,will/would相当于情态动词的相当于情态动词的haveto,usedto情态动词的语法特征情态动词的语法特征1)情态动词不能单独做谓语情态动词不能单独做谓语,除除have外外,后面只能接不带后面只能接不带to的不定式。的不定式。2)情态动词没有人称情态动词没有人称,数的变化数的变化,但有些情态动词但有些情态动词,如如can、will也有一般式和过去式的变化。也有一般式和过去式的变化。can 和和could：1)can的主要用法是：的主要用法是：A.表示体力或脑力的能力：表示体力或脑力的能力：e.g.
9、Thegirlcandanceverywell.B.表示说话的推测表示说话的推测事物的可能性等事物的可能性等:e.g.Canthenewsbetrue?C.在口语中在口语中,can可以表示请求或允许可以表示请求或允许:e.g.CanIsithere?can表示表示“能够能够”时与短语时与短语beableto同义同义,但但(1)can只用于一般现在时或过去时只用于一般现在时或过去时，而，而后者可用于各种时后者可用于各种时态态。(2)can表示个人有某种能力，而表示个人有某种能力，而beableto表示某人通过努表示某人通过努力、克服困难做成某事，相当于力、克服困难做成某事，相当于succeedi
10、ndoingsth.；(3)叙述过去事实时，最好用叙述过去事实时，最好用was/wereableto，因为，因为could只表示过去具有某种能力。只表示过去具有某种能力。如：如：CanyouunderstandthedifferentkindsofEnglishthesepeopleareusing?Twoyearslater,hewasabletospeakverygoodChinese.2)could的主要用法是：的主要用法是：A.could是是can的过去式的过去式,表示与过去表示与过去有关的能力和推测有关的能力和推测:e.g.Weallknewthattheyoungmancouldn
11、tbeadoctor.B.could可以代替可以代替can表示请求表示请求,但语气较但语气较can客气、委婉客气、委婉:e.g.Couldyoulendmeyourdictionary?CouldIuseyourbike?3)can和和could接动词的完成形式，表示可能已经做某事。接动词的完成形式，表示可能已经做某事。can用在否定和疑问句中用在否定和疑问句中,表示不相信、怀疑等态度。表示不相信、怀疑等态度。e.g.Theycanthavegoneoutbecausethelightisstillon.以以could或或would提问时，不能再以提问时，不能再以could或或would作答，
12、而作答，而应该用应该用can或或will。如：。如：CouldIborrowyourdictionary?Yes,ofcourseyoucan.If we are having a camping trip, what should we do before the trip?Whatshouldwedobeforethetrip?buysomedrinksbuysomefoodtakeabigclothbringatenttakeanumbrellatakearubbishbag bringacamerapreparesomeprograms4c Make a list of things your group needs to do for a camping trip. Then discuss who will do them and complete the chart. A:Couldyoupleasebringatent,LiuChang?B:Sure.Andcouldyouplease?C:Sorry,Icant.Ihaveto
