高中英语——主语从句教案ppt课件x 21页

Subjectclauses主语从句\nYouareastudent.Smokingisbadforyou.Tofindyourwaycanbeaproblem.Whatshesaidisyetunknown.Thatweshallbelateiscertain.主语从句可以充当主语有哪些？主语是什么？\n主语从句的特点1.整个句子作主语。2.主语从句的语序是陈述语序。3.主句的谓语动词一般用单数。\n连接词从属连词ThatWhether连接代词What/WhateverWho/whoeverWhich连接副词WhyWhen/WhereHow\n从属连词that,Whether1.that引导的主语从句只起引导作用，本身没有实际意义，在句中不充当任何成分。Thatwewillbelateiscertain.价格会上涨是肯定的。Thatthepricewillgoupiscertain.2.Whether引导的主语从句有实际意义，但是它与that一样，在主语从句中不充当任何成分。Whetherhewillcomeisn'tclear.他们是否会支持我们还是一个问题。Whethertheywouldsupportuswasaproblem.\n注意：that和whether引导的主语从句有时为了考虑句子平衡，通常使用形式主语it，而将真正的主语从句移至句末。1.Thathedidn’tcomeisapity.It’sapitythathedidn’tcome.2.ThatheshouldknowaboutthisisimportantItisimportantthatheshouldknowaboutthis.\nIt引导的形式主语3.他们是否会支持我们还是一个问题。Whethertheywillsupportuswasaproblem.Itwasaproblemwhethertheywillsupportus.\nCorrectthesentences1.Theyshouldlikeeachotherisnatural.Thattheyshouldlikeeachotherisnatural.Itisnatural(that)theyshouldlikeeachother.2.IfMaryheardofhimisreallydoubtful.WhetherMaryheardofhimisreallydoubtful.Itisreallydoubtfulwhether/ifMaryheardofhim.\n(1)Itis+名词+that从句Itisafactthat…事实是……Itisapitythat…遗憾的是1.事实是他在考试中作弊。Itisafactthathecheatedintheexam.2.她犯这样的错误是令人遗憾的事。Itisapitythatshemadesuchamistake.It引导的形式主语\n(2)itis+形容词+that从句Itisnaturalthat…很自然……Itisstrangethat…奇怪的是……1.人们欣赏她的天赋是很自然的事情。It’snaturalthatpeopleadmirehertalent.2.奇怪的是他昨天没出现。It'sstrangethathedidn'tshowupyesterday.\n(3)it+不及物动词+that从句Itseemsthat…似乎……Ithappenedthat…碰巧……1.他似乎就是胜利者。Itseemsthathewillbethewinner.2.碰巧我那天不在。IthappenedthatIwasoutthatday.\n(4)itis+过去分词+that从句Itisreportedthat…据报道……Itissaidthat…已证实……1.据报导非洲野生动物的数量正在减少。ItisreportedthatthenumberofwildanimalsinAfricaisdecreasing.2.据说今天早上有一起可怕的事故。Itissaidthattherewasaterribleaccidentthismorning.\n连接代词引导的主语从句不能用形式主语it，且它们在句中充当句子成分，不能省略1.WhatdoIwanttoknow?It’syoureducationbackground.WhatIwanttoknowisyoureducationbackground.2.他说的话并不重要。Whathesaysisnotimportant.3.Whatheneedsisthatbook.Whatheneedsaresomebooks.注意：What引导的主语从句，可根据表语决定主句动词的单复数。What\nWho/Whatever/whoever1.谁会负责这个位置还没决定好。Whowilltakechargeofthispositionisnotyetdecided.2.不管他做什么都是对的。Whateverhedidisright.Anythingthathedidisright.(定从)Nomatterwhathedid,heisright.(状从)\n连接副词When/Where1.我们什么时候到都没有关系。Whenwewillarrivedoesn’tmatter.2.他什么时候会回来取决于天气。Whenhewillbebackdependsontheweather.3.我在哪里过暑假不关你的事。WhereIspentmysummerholidayisnoneofyourbusiness.4.考试将在哪里举行还没决定好。Wherethetestwillbeheldhasn’tbeendecidedyet.\n16连接副词How、Why1.Howmanypeoplewillweinvite?It’saquestion.Howmanypeoplewewillinviteisaquestion.2.这件事怎样发生的，谁也不清楚。Howthishappenedisnotcleartoanyone.3.他们为什么突然消失仍然是一个谜。Whytheysuddenlydisappearedstillremainsamystery.\nCompletethesentences1.______isneededforsuccessisyourhardwork.2.______theywillarrivehasbeentoldtotheguests.3.______wewillgotomorrowhasn’tbeendecided.4.______canattendthesportsmeetinghasbeendecidedbythecoach.5.______itwillrainornotisnotclear.6.______teamwillwinthematchisstillunknown.7.______comestothepartywillreceiveapresent.8.______hedidmadethebabycry.\nAnswers1.Whatisneededforsuccessisyourhardwork.2.When/How/Wheretheywillarrivehasbeentoldtotheguests.3.Where/Whetherwewillgotomorrowhasn’tbeendecided.4.Whocanattendthesportsmeetinghasbeendecidedbythecoach.5.Whetheritwillrainornotisnotclear.6.Whichteamwillwinthematchisstillunknown.7.Whoevercomestothepartywillreceiveapresent.8.Whathedidmadethebabycry.\nCompletetheblank1.______________hasn’tbeendecidedyet.(pickup)谁将去接他还没有确定。Who will pick him up2._____________________remainsunknown.(finish)我们是否能按时完成工作还不知道Whetherwecanfinishtheworkontime3._________________isnoneofmybusiness.(like)你喜不喜欢他都与我无关。Whetheryoulikehim(ornot)4.___________________isbeingdiscussed.(abroad)他将何时出国正在讨论之中。Whenhewillgoabroad\n5._________inlearningEnglishisenoughpractice.(matter)英语学习中最重要的是足够的练习。Whatmattersmost6.Itworriedherabit________.(turn)她的头发正在变白让她有些担忧。Thatherhairwasturninggrey7.________shouldbepunished.(break)任何违法的人都应该被惩罚。Whoeverbreaksthelaw8.____________wecanlearnfourforeignlanguagesatthesametime.(seem)我们能同时学四门外语似乎不可能。Itseemsimpossiblethat\nTHANKYOU!