Unit4FriendsforeverDevelopingideas學(xué)案高中英語

Unit4FriendsforeverDevelopingideasLearningobjectives:(學(xué)習(xí)目標(biāo))Attheendofthisperiod,youwillbeableto:1.understandthebasicusageofmodals2.choosetheappropriatemodalverbfromthesituation.LearningProcedure:Preparation(知識(shí)準(zhǔn)備)Observeandlearna…Iwasabletoholdaknifeandforkandchopsticks!bButtherestillsomedishesthatDaddarenottryevenaftermanyyearsofmarriagetomymother.c…MumandIjusthavetofindawaytogethimintothekitchen!d…we’dbetternoteattoomuchtoastfoodasitmaymakeussufferfromheatinsideourbodies,…e“Youneedn’ttryitifyoudon’twantto,”Mumsaid,…1beafraidtodosomething2notbenecessarytodosomething3giveadvicetodoornottodosomething4benecessaryorgivestrongadvicetodosomething5havetheabilitytodosomethingStep1Leadin(導(dǎo)入)選擇適當(dāng)?shù)那閼B(tài)動(dòng)詞填寫下面教材中的句子并體會(huì)它們的語法特征beableto/dare/haveto/hadbetter/need/must/can1．I'veenjoyedfoodfrombothcountrieseversinceI__________holdaknifeandfork—andchopsticks!2．ButtherearestillsomedishesthatDad__________nottryevenaftermanyyearsofmarriagetomymother.3．He___________havethoughtIwasjoking.4．Dad__________cookasuper“fullEnglishbreakfast”ofbacon,eggs,beans,sausagesandtoastwithbutter—MumandIjust_________findawaytogethimintothekitchen!5．Mumsayswe_________noteattoomuchroastfoodasitmaymakeussufferfromheatinsideourbodies...6．“You___________nottryitifyoudon'twantto，”Mumsaid...Step2Individualwork(自學(xué)靜悟)Task1underlinethemodalsintheintroductiontoanappandtalkabouttheirmeanings(課本P6)Task2pletethetipsforgoodtablemannerswiththecorrectformofthemodalsinActivity1.(課本P7)Step3Groupwork(小組合作探究)一、beableto的用法1．beableto后跟動(dòng)詞原形，表示具體的能力，與can的用法相近。Iamnotabletoansweryourquestion.我回答不了你的問題。2．beableto與can/could的區(qū)別。(1)beableto有更多的時(shí)態(tài)形式，can只有一般現(xiàn)在時(shí)和一般過去時(shí)。Willyoubeabletoetomorrow?你明天能來嗎？(2)was/wereabletodosth.表示過去成功做成了某事，相當(dāng)于succeededindoingsth.could僅表示客觀上有某種能力，不說明實(shí)施該能力后的結(jié)果。Themathsproblemwashard,butIwasabletoworkitout.這道數(shù)學(xué)題目雖難，但是我能把它做出來。Bythetimeshewaseight,shecouldreadGreekandLatin.她八歲就會(huì)讀希臘文和拉丁文了。[即學(xué)即練]選詞填空(can/beableto)(1)Ifyouhaveagoodsleep,youwill________________workoutthisproblem.(2)WhenIwasyoung,I________climbanytreesinthewoods.二、haveto的用法1．haveto意為“不得不，必須”，后跟動(dòng)詞原形。Ihavetobeoffnow.Mymumiswaitingforme.我得走了。媽媽在等我。2．haveto與must的區(qū)別。(1)must強(qiáng)調(diào)說話者的主觀意愿；haveto強(qiáng)調(diào)客觀上的必要性。Thelastbusleft,andhehadtowalkhome.最后一班公共汽車走了，他只好步行回家。ImustfinishtheprojectbyFriday.周五前我必須完成這個(gè)項(xiàng)目。(2)mustn't不許，不可以，表示禁止；nothaveto不必。Youdon'thavetodotheworkrightnow.你現(xiàn)在不必做這項(xiàng)工作。Youmustn'tplayfootballinthestreet.你千萬不要在大街上踢足球。[即學(xué)即練]完成句子(1)我還想了解一下學(xué)這門課程得付多少錢。I'dalso1iketoknowhowmuchI_____________forthecourse.(2)新法律禁止人們酒后駕車。Thenewlawstatesthatpeople_____________afterdrinkingalcohol.三、hadbetter的用法hadbetter后跟動(dòng)詞原形，表示“最好……”，其否定形式在hadbetter后加not。Wehadbettergettherebeforeitgetsdark.我們最好天黑前到達(dá)那里。You'dbetternottalksoloudly.你最好不要這么大聲說話。[即學(xué)即練]完成句子(1)你最好不要乘飛機(jī)去那里。You______________therebyplane.(2)你最好小心謹(jǐn)慎。You_____________watchout.五、dare與needneed和dare既可用作情態(tài)動(dòng)詞，也可用作實(shí)義動(dòng)詞。用作情態(tài)動(dòng)詞時(shí)，主要用于否定句和疑問句中；用作實(shí)義動(dòng)詞時(shí)，可用于各種時(shí)態(tài)。1．用作情態(tài)動(dòng)詞—Areyouingwithme?你要和我一起去嗎？—Ican't,Alice.Idaren't.不行，愛麗絲。我不敢。It'squitewarmhere;weneedn'tturntheheatingonyet.這里很溫暖，我們還不必開暖氣。2．用作實(shí)義動(dòng)詞Youdon'tneedtodoityourself.你不必親自做這件事。MostpeoplehateHarrybuttheydon'tdaretosayso.大多數(shù)人對哈利敢怒不敢言。[即學(xué)即練]單句語法填空(1)Dareyou________(tell)herthenews?(2)Idaren't