2024-2025學年新教材高中英語Unit1FoodforthoughtSectionⅢGrammar-情態(tài)動詞一學案外研版必修第二冊

PAGEUnit1FoodforthoughtSectionⅢGrammar—情態(tài)動詞(一)新知導引選擇適當?shù)那閼B(tài)動詞填寫下面教材中的句子并體會它們的語法特征：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...語法精講一、基本特征1．情態(tài)動詞有肯定的詞義，不能單獨作謂語，需和實義動詞或系動詞一起作謂語。ShecanspeakEnglishthoughsheissix.雖然她才6歲，但她會說英語。2．情態(tài)動詞一般無人稱和數(shù)的改變，個別情態(tài)動詞有現(xiàn)在時和過去時兩種時態(tài)改變。Theymustbeintheclassroom.他們肯定在教室里。3．構(gòu)成否定句時，not放在其后面。Theyoungmancan'tcarrythebigstone.這個年輕人搬不動那塊大石頭。4．情態(tài)動詞后接動詞原形。Joggingcanbeharmfultothehealth.慢跑可能會對身體健康有害。二、beableto的用法1．beableto后跟動詞原形，表示詳細的實力，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)分。(1)beableto有更多的時態(tài)形式，can只有一般現(xiàn)在時和一般過去時。Willyoubeabletocometomorrow?你明天能來嗎？I'msorryIhaven'tbeenabletoansweryourletterintime.很愧疚我沒能剛好給你回信。(2)was/wereabletodosth.表示過去勝利做成了某事，相當于succeededindoingsth.。could僅表示客觀上有某種實力，不說明實施該實力后的結(jié)果。Themathsproblemwashard,butIwasabletoworkitout.這道數(shù)學題目雖難，但是我能把它做出來。Bythetimeshewaseight,shecouldreadGreekandLatin.她八歲就會讀希臘文和拉丁文了。(3)beableto可用在may/might，want之后。Iwanthertobeabletouseacomputer.我希望她能運用電腦。[即學即練]選詞填空(can/beableto)(1)Ifyouhaveagoodsleep,youwill________________workoutthisproblem.(2)WhenIwasyoung,I________climbanytreesinthewoods.(3)Who________answerthisquestion?(4)Hemight________________fixyourcar.三、haveto的用法1．haveto意為“不得不，必需”，后跟動詞原形。Ihavetobeoffnow.Mymumiswaitingforme.我得走了。媽媽在等我。2．haveto與must的區(qū)分。(1)must強調(diào)說話者的主觀意愿；haveto強調(diào)客觀上的必要性。Thelastbusleft,andhehadtowalkhome.最終一班公共汽車走了，他只好步行回家。ImustfinishtheprojectbyFriday.周五前我必需完成這個項目。(2)mustn't不許，不行以，表示禁止；nothaveto不必。Youdon'thavetodotheworkrightnow.你現(xiàn)在不必做這項工作。Youmustn'tplayfootballinthestreet.你千萬不要在大街上踢足球。[即學即練]完成句子(1)我還想了解一下學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.(3)我們不必焦急，因為時間很充裕。We________________hurry,forthere'splentyoftime.(4)我們必需在6點以前到家。We________________homebysix.四、hadbetter的用法hadbetter后跟動詞原形，表示“最好……”，其否定形式在hadbetter后加not。Wehadbettergettherebeforeitgetsdark.我們最好天黑前到達那里。You'dbetternottalksoloudly.你最好不要這么大聲說話。[即學即練]完成句子(1)你最好不要乘飛機去那里。You________________therebyplane.(2)你最好當心謹慎。You________________watchout.五、dare與needneed和dare既可用作情態(tài)動詞，也可用作實義動詞。用作情態(tài)動詞時，主要用于否定句和疑問句中；用作實義動詞時，可用于各種時態(tài)。(1)用作情態(tài)動詞—Areyoucomingwithme?—Ican't,Alice.Idaren't.——你要和我一起去嗎？——不行，愛麗絲。我不敢。It'squitewarmhere;weneedn'tturntheheatingonyet.這里很暖和，我們還不必開暖氣。(2)用作實義動詞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。[即學即練]單句語法填空(1)Dareyou________(tell)herthenews?(2)Idaren't________(go)outaloneatnight.(3)Hedares________(say)whateverhewantstosay.(4)Youneedn't________(come)ifyouarebusy.(5)Ineed________(get)somesleep.Ⅰ.單詞語法填空1．Thisisquiteimportant,becauseitisdirectly________(relate)toyourcommitment.2．Ourhostssharedmanyoftheirexperiencesand________(recommend)wonderfulplacestoeat,shop,andvisit.3．Thisisn'tthefirsttimethattechnologyhaschangedour________(manner)．4．Exercisingmakesyoumoreawakeandready________(handle)whateverisaheadofyoufortheday.5．Larrytoldherthathehadalreadyputoutthefireandsheshouldnotmove________casesheinjuredherneck.6．Becauseacollegecommunitydiffers________thefamily,manystudentswillstruggletofindasenseofbelonging.7．Weareaddictedto________(buy)newthings.8．Bendyourknees________(slight)andreachoutyourarmsliketreebranches,naturallyandsoftly.Ⅱ.選詞填空(可變換形式)eq\x(beableto/haveto/hadbetter/dare/need)1．________________ItellTomwhathappenedtoday?2．She________notsaywhatshethinks.3．________youletoutthenewstothepublic?4．Thelittleboy________________dolotsofhousework,forhisparentsaresufferingfromillness.5．He________________speaktwoforeignlanguages.6．You________________gethomebeforemidnight.7．Wedidn't________________answerthequestionyesterday.8．You________________notgoout,hadyou?9．Shedoesn't________________tocometoschoolatpresent.10．Iwill________speakEnglishinanotherfewmonths.Ⅲ.完成句子1．你別擔憂我，我能照看好自己。Don'tworryaboutme,I________________________myself.2．吉姆終于抑制住了生氣，從而避開了一場毆斗。Jim________________________hisangerandavoidafight.3．你不得再拖延了，記住，切莫依靠明天。You________________________itoffanylonger,remember,tomorrownevercomes.4．必需聲明，這種疾病是人類已知的最為困難的疾病之一。It________________________thatthisillnessisoneofthemostcomplexconditionsknowntoman.5．我須要今日干完這活嗎？________________________theworktoday?6．這輛自行車須要修理。Thebike________________________________________________________________________.7．星期天我們不用去上學。We________________________________onSundays.8．我非得給經(jīng)理寫封信不行。I________________________tothemanager.9．而且，你最好保持均衡的飲食。What'smore,you____________________abalanceddiet.10．你怎么敢對你父親說那種話？How________________thattoyourfather?eq\x(溫馨提示：請完成課時作業(yè)二)SectionⅢGrammar—情態(tài)動詞(一)新知導引1．wasableto2.dare3.must4．can;haveto5.hadbetter6.need語法精講二、