如皋市搬经中学高一活动单M3U2语法讲解主备人：卢婧金冬冬审核人：冯学银名词性从句（wh-引导的名词性从句）Teachingaims:Reviewtheusuageofnounclauses.Teachingimportantpoints;MastertheusageofnounclausesintroducedbyquestionwordsTeachingdifficultpoints:HelpthestudentsmastertheusageofthegammarrTeachingprocedures:概说：在句子中起名词作用的句子叫名词性从句。名词从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语等，因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。引导名词性从句的连接词引导名词性从句的连接词可分为三类：连接词：that,whether,if（不充当从句的任何成分）连接代词：what,whatever,who,whoever,whom,whose,which连接副词：when,where,how,why以及由how构成的词组如howmany,howmuch,howsoon,howoften,howfar,howlong,howtall,howhigh等.1．if,whether引导的名词性从句，“是否”引导主语，宾语，表语从句Whethertheplanisdoableremainstobeproved.这一计划是否可行还有等证实。Letusknowwhether/ifyoucanfinishthearticlebeforeFriday.请让我们知道你是否能在星期五以前把文章写完。She'sdoubtfulwhetherweshallbeabletocome.她怀疑我们是否能够前来。Iworryaboutwhetherhecanpassthroughthecrisisofhisillness.我担心他是否能度过疾病的危险期。Thepointiswhetherweshouldlendhimthemoney.问题在于我们是否应该借钱给他。Theyarelookingintothequestionwhetherthemanistrustworthy.他们调查他是否值得信赖。在下列几种情况下，要使用whether。⑴引导主语从句时。Whetheryou’llgainknowledgesuccessfullyornotdependsonhowhardyouwillwork.你能否真正学到知识，就看你努力的程度如何。但当采用形式主语It将主语从句后置时,用Whether和if均可,如:It’snotcleartomewhether/ifshelikesthepresent.引导表语从句时。Thequestioniswhetheritisworthdoing.问题是这事能否值得一做。引导同位语从句时。在problem,question,doubt等名词后接的同位语从句，用whether引导，在fact,news,idea,promise,hope等名词后用that引导。Thereisstillsomedoubtwhetherhewillsucceed.他能否成功，人们对此仍感到怀疑。Thereisnodoubt后接的同位语从句，用that引导。Thereisnodoubtthathewillsucceed.毫无疑问，他会成功。介词后接的宾语从句中。Italldependsonwhethertheweatherlooksgood.宾语从句用it替代，移至句子后部时。Iputittoyouwhetherthat’sthebestsolutiontotheproblem.我提供让你考虑，这究竟是不是解决问题的最佳办法。⑹在动词discuss,care后。Wediscussedwhetherweshouldshutdownsomesmallcoalmines.是否关闭这些小煤矿，我们曾经讨论过。Idon’tcarewhetherahuntingdogsmellsbadlyornot,butIdon’treallywantittosmellbad.我不在乎猎狗的嗅觉如何，但真不想让它身上有臭味。2，what“什么“”什么东西”Whatever“任何。。东西”引导主语，宾语，表语从句在从句中充当主语，宾语，表语Inone'sownhomeonecandowhatonelikes.在自己家里可以随心所欲。Shewillnamehimwhatevershewantsto.她高兴给他起什么名字就取