外研版（2019）選擇性必修第二冊Unit 6 Survival Using language 讓步狀語從句導(dǎo)學案

XB2U6單元句式精講精練——讓步狀語從句句式感知請用橫線標出下列從句的引導(dǎo)詞Nomatterhowmanycrimeshecommitted,thepolicewerepowerlesstoarresthim.Howevertruethisis,wealsoneedtoconsiderthatsomeoftheseso-called“urbananimals”havenevermovedatall.Wherevertheygo,animalsfindtownsandcitiesintheirway.Althoughnaturallyactiveatnight,urbanfoxescomeoutindaylightiftherewardisgoodenough.Howevertheyadapttoourwaysofurbanliving,it’simportantthatwegetabetterunderstandingofandevenlearntoappreciateourwildneighbours.Whateverthereasonsbehindthesespeciesenteringourcities,onethingisforsure.Whethertherearefewormanypeopleinyourgroup,don’tsplitup.Whilethemooncanbereachedwithindays,itwouldtakemonthstoreachMars.EvenifthefirstsettlersdoreachMarssafely,theymaynotbeabletoreturntoEarth-ever.Althoughthetwo-yearexperimentwasnotasuccess,itdidprovideuswithabetterunderstandingofhowhumansmightbeabletoliveonanotherplanet.基本概念讓步狀語從句表示“雖然、即使、盡管”，常見引導(dǎo)詞：although/though,evenif/eventhough,while,as,whether…or…，“nomatter+疑問詞”或“疑問詞+ever”等。考點疑問詞＋ever可以引導(dǎo)讓步狀語從句和名詞性從句①Anyonewholeavestheclassroomlastshouldclosethedoor._____________從句②Whoeverleavestheclassroomlastshouldclosethedoor._____________從句③Whoeverleavestheclassroomlast,heorsheshouldclosethedoor.________從句練習：①Idon’tcareabout_________yousaid.②________yousaid,Idon’tcare.狀語從句的省略①在狀語從句中，當主從句主語一致，從句中有be動詞時，可省去從句的主語和be動詞；②當狀語從句的主語是it，謂語動詞中有be動詞時，可以把it和be動詞一起省略。練習①Withthislittlejoke,Linwasabletomakepeoplelaugh,whilegently_______(tell)offthepresident.②Whenfirst_______(introduced)inJapanin1999,emojiswerelimitedto

176simpledesigns.③___________________________(雖然神農(nóng)架蜜蜂在中國其他地方瀕危)duetotheinvasionofforeignspecies，thebeesofShenongjiahavecoexistedwiththelocalpeopleforcenturies.④___________________________(雖然城市狐貍天生在夜間活躍),urbanfoxescomeoutindaylightiftherewardisgoodenough.⑤_______________(如果有必要),don'thesitatetocontactme.as引導(dǎo)讓步狀語從句的倒裝as表示“盡管、雖然”引導(dǎo)讓步從句，必須把作表語或狀語的名詞、形容詞、副詞、分詞等提前，有時甚至是把實義動詞提前。注意：though引導(dǎo)的讓步狀語從句置于句首可以倒裝，也可以不倒裝；若提前的表語是沒有形容詞修飾的單數(shù)可數(shù)名詞，要省略不定冠詞；若提前的是動詞原形(多為不及物動詞)，與之連用的通常是may,might,will,would等，且這些詞都要保留在原來的位置上(主語后)，如果實義動詞有賓語和狀語，隨實義動詞一起放在主語之前。如：練習：①_____________________(盡管是個孩子)，heknewwhatwastherightthingtodo.②_______________________(盡管很年輕)，heknewwhatwastherightthingtodo.③Thoughhetrieshard,heneverseemsabletodotheworksatisfactorily改寫為倒裝句→_____________,heneverseemsabletodotheworksatisfactorily.句子翻譯：1.無論她多么大聲地喊救命，沒有人來。_____________________________________________________________________2.盡管又累又餓，我們還是拖著沉重的身體向前走。_____________________________________________________________________3.不論我們面對什么樣的困難，我們都不應(yīng)該放棄希望。_____________________________________________________________________4.無論你在何地，無論你做何事，我就在這里等你。_____________________________________________________________________5.無論你想待在原地還是逃走，最重要的是要避免被注意到。_____________________________________________________________________孤獨又無助，盡