2024秋高中英语Unit5RhythmPeriodSixGrammar学案北师大版必修2

PAGE10-Unit5RhythmPeriodSixGrammar单元语法(一)——will表“确定”和状语从句(Ⅰ)[语法图解][语法感悟]1．TherewasnotanemptyseatanywhereintheconcerthallatlastThursday'sevent,although/thoughitwasanextremelycoldnight.2．The_first_timeyoulisten,trytogetthegeneralideaandtakenotes.3．Popularorsocialdancesoftencomefromfolkdances,althoughtheyareusuallypopularforonlyashorttime.will表“确定”的用法will可以表示在说话时做出一个临时的确定，这个确定可以供应帮助也可以是描绘意图。OK.I'llhelpyoutomailtheletter.好吧，我帮你寄信。IthinkI'llgotoseethedoctor—Ihaveahighfever.我想我要去看医生——我发高烧。[即学即用1]单句语法填空1．Iamsorrytohearthat.Iwill_go(go)toseehim.2．Ifwereadmorebooks,wewillknowmore.3．YouaremybestfriendandIwilldomybesttohelpyou.状语从句状语从句在句子中起状语作用。有的状语从句可以在主句前(其后常用逗号与主句隔开)，有的状语从句可以放在主句后(其前可不用逗号隔开)，有的既可以在主句前又可以在主句后。状语从句通常由一个连词或由一个起连词作用的词组引导。状语从句可以表示时间、地点、缘由、目的、结果、条件、方式、让步或比较等意义。一、时间状语从句在主从复合句中作时间状语的从句叫作时间状语从句。时间状语从句的引导词主要有when,while,as,assoonas,before,after,until,since,bythetime,themoment,nexttime等。时间状语从句可以放在句首、句中或句末。1．when,while,as的用法从属连词when,while,as都可用来引导时间状语从句，意为“在……时候”，但在详细用法上又不尽相同。Whenthefirebrokeout,allthestudentsweresleepingsoundly.火灾发生时，全部的学生正在熟睡。FatherwaspreparingareportwhileIwasplayinggames.爸爸在打算一个报告，我在玩嬉戏。TheweatherwasfinewhilewewereinShanghai.我们在上海时天气很好。Asyougrowolder,you'llknowbetterandbetteraboutyourself.随着年龄的增长，你会越来越了解自己。Theytalkedastheywalkedalongtheriver.他们沿着河边边走边说话。2．before“在……之前”，引导时间状语从句时有时可依据状况译作“……才……”或“还将来得及”。before常用于以下句型：(1)Itwillbe＋一段时间＋before...(从句用一般现在时)要过……时间才……(2)Itwon'tbe＋一段时间＋before...(从句用一般现在时)过不了……时间就……(3)Itwasnotlongbefore...(从句用一般过去时)没过多久就……(4)Itwas＋时间段＋before...(从句用一般过去时)过了……时间才……Hetookacoldshowerandthentowelledoffbeforeheputonfreshclothes.他冲了个冷水澡，然后擦干身子，才穿上干净衣服。Itwaslongbeforehecametohelpme.过了很久他才来帮我。Itwon'tbelongbeforeheleavesthecountry.过不了多久他就离开这个国家了。3．since的常见固定句型It＋is/hasbeen＋一段时间＋since＋一般过去时(做某事多长时间了)。since后假如是终止性动词的过去式，则时间的起点应从该动作发生时算起；since后假如是持续性动词的过去式，则时间的起点应从该动作结束时算起。Itistwoyearssincewearrivedhere.我们到这儿两年了。Ithasbeenthreeyearssincehelefthere.他离开这儿已有三年了。4．till/until表示“始终到……”时，主句和从句都用确定式，主句的谓语动词必需是持续性动词；表示“直到……才……”时，主句用否定式，从句用确定式。Hedidn'tgiveupsmokingtillhegotill.他直到生病才戒烟。Heworkeduntilitwasdark.他始终工作到天黑。5．部分时间名词，如themoment/instant/minute(一……就)；every/each/next/last/thefirst/second...time等可以用作连词引导时间状语从句。ThemomentIheardthenews,Ihastenedtothespot.我一听到消息，就立刻赶到了出事地点。EachtimehecametoHarbin,hewouldcallonme.他每次来哈尔滨，总是来看我。6．部分副词，如immediately,directly,instantly(一……就)可以用作连词引导时间状语从句。IwillgotheredirectlyIhavefinishedmybreakfast.吃完早饭，我马上到那里去。Shemusthavewrittentheletterimmediatelyshegothome.这封信确定是她一到家就写的。[即学即用2]单句语法填空1．Johnthoughtitwouldn'tbelongbeforehewasreadyforhisnewjob.2．Theysangsongsastheymarchedforward.3．Remembertobuymeadictionarywhen/whileyouareout.4．Weshottheenemyplanedownimmediately(immediate)itappeared.二、让步状语从句在主从复合句中作让步状语的从句叫作让步状语从句。让步状语从句的引导词有although,though,whether...or...,evenif,eventhough,as，疑问词­ever和“nomatter＋疑问词”等。让步状语从句可置于主句之前也可置于主句之后。留意：though与as引导的让步状语从句将名词提前至句首时，名词之前不用冠词。Whatever/NomatterwhatIsay,healwaysdisagrees.不管我说什么，他总是不同意。Although/Thoughwearepoor,wearestillhappy.我们虽然穷，仍旧很愉快。Evenif/thoughIfailthistime,Iwouldtryagain.即使我这次失败了，我还要再试试。Youngthough/assheis,sheknowsalotabouthistory.她尽管年轻，却精通历史。Childthoughhewas,hedidquitewell.他虽是孩子，但干得很好。[即学即用3]单句语法填空1．Hetriedhisbesttosolvetheproblem,howeverdifficultitwas.2．Wewillmakeatripevenif/thoughtheweatherisbad.3．Whetheryoubelieveitornot,it'strue.4．Cleveras/thoughheis,hedoesn'tstudywell.5．Shelookspretty,whatevershewears.单元语法(二)——状语从句(Ⅱ)[语法图解][语法感悟]选词填空incase,because,sothat/inorderthat,forfearthat,so...that1．Theysetoutearlyso_that/in_order_thattheymightarriveintime.2．Becausetherewassoheavyfog,thevehicleswerenotallowedtotravelontothehighway.3．Herunssofastthatnoothercancatchupwithhim.4．Takeanumbrellain_caseitrains.5．Heworkedhardfor_fear_thathemightbefiredbytheboss.一、缘由状语从句在主从复合句中作缘由状语的从句叫作缘由状语从句。缘由状语从句的引导词有because,since,as,nowthat等。缘由状语从句可置于主句之前也可置于主句之后。HecannotreadthisbookbecausehedoesnotknowEnglish.他读不了这本书，因为他不懂英语。—Whywereyouabsent?——你为什么缺席了？—BecauseIwasill.——因为我病了。Sincehecan'tcome,Ihavetoasksomeoneelsetohelpme.既然他来不了，我只好叫别人帮我。Ashewasnotwell,Idecidedtogoalone.由于他身体不好，我确定一个人去。Nowthatthekidshavelefthome,we'vegotalotofextraspace.孩子们都离开家了，我们住着就更宽绰了。[即学即用1]完成句子1．Sinceyouarefreetoday,youhadbetterhelpmewithmymathematics.既然今日你有空，你最好帮我补习数学。2．Now_thatyouarehere,you'dbetterstay.既来之，则安之。3．Ireallyenjoylisteningtomusicbecauseithelpsmerelaxandtakesmymindawayfromothercaresoftheday.我真的喜爱听音乐，因为它帮助我放松并让我忘掉一天中的其他苦恼。二、结果状语从句在主从复合句中作结果状语的从句叫作结果状语从句。结果状语从句的引导词有sothat,so/such...that等。结果状语从句一般位于主句之后。Hestudiedhard,sothathepassedtheexam.他学习用功，所以考试通过了。Hespeakssofastthatnoonecancatchhim.他说话太快，无人听得明白。Itwassocoldadaythatwedidnotwanttogoout.这么冷的天，我们都不想出去。Hehadsomanyfallsthathewasblackandblueallover.他摔了很多跤，结果全身都是伤。He'ssuchagoodpersonthatwemustn'tblamehim.他是这么好的一个人，我们不能怪他。ItissuchniceweatherthatIwouldliketogotothebeach.天气如此之好，我想去海滩。留意：1.由sothat和so...that引导的结果状语从句有时可与表结果的suchasto和so...asto引导的不定式短语转换。Hewrotesocarefullythathemadenomistakes.＝Hewrotesocarefullyastomakenomistakes.＝Hewrotecarefullysuchastomakenomistakes.他写得很细致，所以没有出错。2．在so/such...that结构中，若so/such...提至句首，则主句构成倒装。Sofastdoeshespeakthatnoonecanunderstandhim.他说话太快，无人听得明白。3．“so＋many/much/little/few＋名词＋that...”是习惯用法。其中so不能用such替换。Hehadsomanythingstodothathewasbusyalldaylong.他事务繁多，成天都很忙。[即学即用2]完成句子1．NingZetaoswimsso_fast_thatnoonecancatchupwithhim.宁泽涛游得这么快以至于没有人能赶上他。2．Itissuch_fine_weather_thatweallwanttogocamping.天气这么好以至于我们都想出去野营。3．Tomisso_kind_a_boy_that/such_a_kind_boy_thattheyallliketomakefriendswithhim.汤姆是这么好的孩子以至于他们都情愿跟他交挚友。三、目的状语从句用来补充说明主句谓语动词发生的目的的从句叫作目的状语从句。目的状语从句的引导词有sothat,inorderthat,lest,incase,forfearthat等。目的状语从句大多置于主句之后；inorderthat引导时有时可置于主句之前。引导词用法sothat，inorderthat二者可互换，但sothat引导的目的状语从句一般不位于句首lest,incase二者引导目的状语从句时有否定意义。lest引导的从句中常用should,would,might等虚拟语气形式，should可省略；incase引导的从句一般不用虚拟语气Heranslowlysothat/inorderthathissoncouldcatchupwithhim.他渐渐地跑，以便儿子可以跟得上。InorderthatIcanbuyahouseIamsavingmoney.为了能买一所房子，我正在攒钱。Hetookaflashlightlestit(should)getdarkbeforehereturned.为了预防回来以前天就黑了，所以他带着手电筒。You'dbettertakethekeysincaseI'mout.你最好带上钥匙以防我不在家。留意：目的状语从句中常有情态动词can,could,may,might等；当主从句主语一样时，目的状语从句可用不定式(短语)作目的状语替换。We'llstartearlyinorderthat/sothatwemayarriveontime.＝We'llstartearlyinorderto/soasto/toarriveontime.为了按时到达，我们很早就动身了。[即学即用3]完成句子1．Takethismedicineso_thatyoucanrecoversoon.吃这种药，以便你可以尽快康复。2．Theywereafraidtosaywhatwasintheirminds,for_fear_(that)itmightstarttrouble.他们都不敢说出心里话，怕引起麻烦。3．Sheworkedhardso_thateverythingwouldbereadyby5o'clock.她努力工作，以便在五点前使一切都就绪。Ⅰ.单句语法填空1．Idon'treallyliketheauthor,although/thoughIhavetoadmithisbooksareveryexciting.2．Themeaningoftheword“nice”changedafewtimesbeforeitfinallycametoincludethesense“pleasant”．3．Theyoungcouple,whoreturnedmylostwallet,leftbeforeIcouldaskfortheirnames.4．Thelittleboydidn'tsmileuntilhesawhismother.5．Sofastdoeslighttravelthatitisdifficultforustoimagineitsspeed.6．TheyareveryexcitedandlookingforwardtotheOlympicGamesbecausetheyhaveneverbeenheldbeforeinthiscountry.7．Hemadesuchrapidprogressthattheteacherpraisedhimin