资源描述：
《必修三unit4语法讲解主语从句 Grammar》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、SectionⅢGrammar—主语从句 在主从复合句中，充当主语的从句，即为主语从句。一、主语从句的连接词1．连接词that和whether(1)that在从句中不充当任何句子成分，只起连接作用，但不可省略。①ThatWhitneyHoustondiedupsetherfansallovertheworld.惠特尼·休斯顿的离世令全世界的粉丝感到难过。(2)whether在从句中不充当任何句子成分，起连接作用，意为“是否”，不可省略。②Whethertheplanwillbecarriedoutisstillunknown.这个计划是否会实施还不知道。即学即练11－1.完成句子
2、①她能来帮助我们使我们很高兴。_________________________madeusveryhappy.②他被选为(bechosenas)志愿者(volunteer)让我们感到高兴。____________________________madeushappy.③我们明天是否举行派对取决于天气。____________________________dependsontheweather.④(湖南高考)Everyoneinthevillageisveryfriendly.Itdoesn'tmatter________youhavelivedthereforashortor
3、alongtime.A．why B．HowC．whetherD．when2．连接代词(who，whose，whom，what，which，whichever，whoever,whomever,whatever6连接代词引导主语从句，在从句中可以作主语、宾语、表语或定语。①Whowilltakehisplaceisnotimportant.谁将代替他并不重要。②Whoeverbreaksthelawshouldbepunished.无论是谁只要违法就应该受到惩罚。3．连接副词(when,where,how,why等)连接副词引导主语从句并在从句中作状语。③Whenwewillh
4、aveameetingisanimportantquestion[点津] 主语从句中连接词的选择标准：ⅰ.根据连词在句子中所作的语法成分；ⅱ.根据连接词在从句中的意义。2－1.用连接代词或连接副词填空并写出它们在从句中所作的语法成分①Whatrolehewillplayinthefilmhasn'tbeenknown.______②WhyJohnwaslatefortheclasshasbeenunexplained._______③Whichpartofthecountryhewilltraveltoneedsdiscussing.____④Wherecarswillbepar
5、kedinthefutureisaquestion.______⑤Whatsurprisesmemostisthatheistooproud._____⑥Whoeverisinterestedintheactivitycansignyourname._______⑦(北京高考)____makesthebooksoextraordinaryisthecreativeimaginationofthewriter.A．That B．WhatC．WhoD．Which⑧(上海高考)________comeswillbewelcomedtotheopenairconcert.A．What
6、everB．WhoeverC．NomatterwhatD．Nomatterwho二、主语从句中用it作形式主语的结构1．It＋be＋形容词(obvious,true,natural,strange,etc.)＋主语从句①It'sobviousthattheybadlyneedhelp.很明显，他们急需帮助。2．It＋be＋名词词组(nowonder,anhonour,apity,a/nosurprise,etc.)＋主语从句②It'sapitythatyoumissedthefilm.你没有看那部电影真是太遗憾了。63．It＋be＋过去分词(said,reported，thoug
7、ht，expected，proved,etc.)＋主语从句③Itissuggestedthatthemeetingbeputoff.有人建议会议延期召开。4．It＋不及物动词(happen,seem,appear,etc.)＋主语从句④Itseemsthatitisgoingtorain.看起来好像要下雨。5．It＋及物动词＋宾语＋主语从句⑤Itsurprisedhimwhytheycametovisithimsuddenly.让他吃惊的是他们为什么突然都来看他。即学即练33－1
