Unit 1 Discover useful structures 学案-2022-2023学年高中英语人教版2019选择性必修第二册

高二年级英语学科导学案教学课题选择性必修二unit1Discoverusefulstructures学习目标1.Graspthegrammarrulesofnounclauses2.Usenounclausesflexibly.重点难点1.Theusageofnounclauses2.Howtouseitinrealcontextandconversation学法使用Task-basedlearning课堂类型Grammar教学过程设计意图情境导入感知以下课文原句，完成方框下的小题1．Laurasaysshealwaysfeelshungrywhenshesmellsit，soItaughtherhowtocookit，too.2．Thefirsttimethatshehadtowriteanessay，hertutorexplainedthatshemustacknowledgewhatotherpeoplehadsaidifshecitedtheirideas，butthathemainlywantedtoknowwhatshethought!3．XieLeiwasconfusedbecauseshethoughtsheknewlessthanotherpeople.4．Atfirst，XieLeihadnoideawhatsheshouldsay，butwhatsurprisedherwasthatshefoundherselfspeakingupinclassafterjustafewweeks.5．Whatseemedstrangebeforenowappearsquitenormaltoher.1．以上各句都是主从复合句，句中用了相当于______作用的从句(即名词性从句)在句中充当成分。2．引导宾语从句的从属连词________有时可以省略，如句1和句3；两个并列的宾语从句中，第二个that________省略，如句2。3．名词性从句可在句中作__________，如句4和句5。4．名词性从句可在句中作__________，如句4。5．名词性从句可在句中作____________，如句4。明确目标1.Graspthegrammarrulesofnounclauses2.Usenounclausesflexibly.自学感知（典例分析、自查自纠、自主梳理）语法精析：名词或名词短语可以在句中充当主语、表语、宾语、同位语。当这些名词或名词短语由一个句子替代时，就是名词性从句。名词性从句（NounClauses）是在句子中起名词作用的句子。根据在句中不同的语法功能，可以把名词性从句分别称为主语从句、宾语从句、表语从句和同位语从句。合作展评（探究点拨、质疑探究、合作交流、质疑点拨）名词性从句引导词引导词用法从属连词连接代词连接副词归纳拓展（点拨归纳、思悟小结）主语从句1、主语从句在复合句作主语。Whowillgoisnotimportant.2、用it作形式主语，主语从句放在句末。Itdoesn'tmattersomuchwhetheryouwillcomeornot.3、that引导主语从句时，不作成分，不能省略。Thathesuddenlyfellilllastweekmadeussurprised.4、用it作形式主语的常用句型①It+be+及物动词的过去分词+从句Itissaidthat…据说……Itisreportedthat…据报道……Itisbelievedthat…人们相信……②It+be+名词+从句Itisafactthat…事实是……Itisgoodnewsthat………是个好消息③It+be+形容词+从句Itisnecessarythatsb.(shoulddo)…有必要……Itisimportantthatsb.(shoulddo)…重要的是……④Itseems/appears/happens/…+主语从句二、宾语从句宾语从句在复合句中作及物动词或介词的宾语。结构为：主语＋谓语＋宾语从句或介词＋宾语从句。IwilldowhatIcan(do)tohelphim.我会尽我所能帮助他。Giveareadinglisttowhoevercomes.给所有来的人一份阅读书目。1、宾语从句在复合句中作宾语。引导宾语从句的连词that一般可省略。Ihope(that)everythingisallright.2、whether与if都可以引导宾语从句，常可互换。但下面情况不能互换。①宾语从句是否定句时，只用if，不用whether。Iwonderifitdoesn'train.②用if会引起误解，就要用whether。Pleaseletmeknowwhetheryouwanttogo.(此句如果把whether改成if，容易当成条件句理解)③宾语从句中的whether与ornot直接连用，就不能换成if；不直接连用，可换。Idon'tknowwhetherornotthereportistrue.Idon'tknowwhether/ifthereportistrueornot.④介词后的宾语从句要用whether引导。whether可与不定式连用。whether也可引导主语从句、表语从句、同位语从句，还可引导让步状语从句，以上均不能换成if。但引导条件从句时，只能用if，而不能用whether。Itdependsonwhetherwehaveenoughtime.Theydon'tknowwhethertogothere.Pleasecometoseemeifyouhavetime.3、连接副词when,where,why,how引导宾语从句，连接词在从句中作状语。Wehaven'tdecidedwhenwe'llgohiking.4、连接代词what,which,who,whom,whose引导宾语从句时，在从句中起代词的作用，可在从句中作主语、宾语、表语或定语。Idon'tknowwhowillaccompanyyoutotheconcerttonight.三、表语从句表语从句在复合句中作表语，放在系动词之后，结构为“主语＋连系动词＋表语从句”。1、表语从句在复合句中作表语，位于系动词之后。Thequestionwaswhocouldgothere.2、表语从句的引导词与主语从句和宾语从句的引导词基本相同，但是if不能引导表语从句。3、连接词that,whether引导表语从句，连接词一般不能省略。Thequestioniswhetherweshouldrecommendthegoodstotheshopkeeper.4、连接副词when,where,why,how引导表语从句，连接词在从句中作状语、表语。ThatwashowPetergothisbachelor'sdegree.5、连接代词what,which,who,whom,whose引导表语从句，连接词在从句中可作主语、表语、宾语或定语。That'swhatwewanttopurchase.6、有时because,asif,asthough也可以引导表语从句。Itlooksasifyouhavemadefullpreparationsforthefinalexam.四、同位语从句在复合句中用作同位语的从句称为同位语从句。同位语从句是名词性从句的一种。它一般放在fact，news，idea，truth，hope，problem，information，belief，thought，doubt，promise，question等抽象名词的后面，对前面的名词作进一步的解释，或说明前面名词的具体含义。Ihavenoideawhenhewillbeback.Thefactthathehadnotsaidanythingsurprisedeverybody.达标检测（当堂检测、总结反思）Ⅰ.单句语法填空1．________weunderstandthingshasalottodowithwhatwefeel.2．Thereasonforhisabsenceis_________hehasn’tbeeninformed.3．Hemustanswerthequestion___________heagreeswithitornot.4．Scientistspointout________theglobeisgettingwarmerandwarmer.5．Thereissomedoubt________thesportsmeetingwillbeheldontime.6．I’vecomewithamessage_____hewon’tbeabletoseeyouthisafternoon.7．Itisnecessary______acollegestudent(should)masteraforeignlanguage.8．Wemostlyhadtorelyontheradioornewspaperstoknow____wasgoingonintheworld.9．Weallconsider__importantthatchildrenshouldtakeplentyofmilkastheygrow.10．Thoughscientistsaren’tsure_____iscausingthischange，thepublishersofthestudythinkthatit’sconnectedtorainfall.Ⅱ.语法填空(用适当的连接词填空)Iamgoingtotellyouanunbelievablething11.___happenedinmyrestauranttoday.Thisafternoonapoorly­dressedgentlemancameintomyrestaurant.Nobodyknew12.____hewas.Weweresurprisedthathefinishedtwoordersoffoodinaverylimitedtime.Wewondered13.____hewassohungry.Wedoubted14._____themanwasabletopaythebill.Thegentlemanasked15.______wewouldmindwaitingforjustafewminutes.Thenwewereshockedtosee16._____hetookoutofanenvelope—amillionpoundbanknote.IaskedMrClements17._____itwasgenuine.MrClementssaiditwastruebecausetwoofthisamounthadbeenissuedbytheBankofEnglandthisyear.Hethought18._____thegentlemanshoweduscouldn’tbeafake.19．_____agentlemanwithamillionpoundnotewasinragsandateinoursmallrestaurantwasabigpuzzletoallthepeoplethere.Ireallycouldn’tdescribe20.____excitedIwas.【课后巩固案】完成句子1.Theyounggirlalwaysthinksof______________________________________这个年轻的女孩总是在想怎样把工作做得更好。2.I’mnotinterestedin_______________________________我对他们是否支持我不感兴趣。3.Thereasonwhyshewasabsentwas_____________________________________.她缺席的原因是她的车在路上抛锚了。4._______________________________madeeveryone