2024-2025学年高中英语Unit4AstronomythescienceofthestarsSectionⅢGrammar-主语从句学案含解析新人教版必修3

PAGEUnit4AstronomythescienceofthestarsSectionⅢGrammar——主语从句[思维导图][语法精讲]一、定义在主从复合句中充当主语的从句即为主语从句。Whatsurprisedmeisthateverybodyseemedtobeverycoldtoher.让我惊讶的是每个人似乎对她都很冷淡。Itworriedthewomanthathersonwasalwaysplayingcomputergames.儿子始终在玩电脑嬉戏，这让这个女人很担忧。二、主语从句的连接词及其句法功能Whowilldoitdoesn'tmatter.谁做这件事都没有关系。Whatweneedismorewater.我们须要的是更多的水。Whateveryoudoinyoursparetimeshoulddonoharmtoothers.无论你在业余时间做什么都不应当损害其他人。Howthishappenedisnotcleartoanyone.这件事怎样发生的，谁也不清晰。Whenwewillhaveameetingisanimportantquestion.我们何时实行会议是个重要的问题。WhereIspendmysummerisnobusinessofyours.我在哪里过暑假不关你的事。[名师点津]who引导的主语从句表示一件“事情”，表示特指；而whoever引导的主语从句指“人”，表示泛指。Whowillgototheconcertisnotknown.不知道谁会去听音乐会。Whoeverwillgototheconcertiswelcome.无论谁去音乐会都会受到欢迎。[名师点津]名词性从句引导词的确定步骤：(1)分析句式结构，明确名词性从句在句中的功能；(2)明确名词性从句所表达的意义；(3)明确名词性从句中所须要的成分及意义；(4)确定从句的引导词。三、主语从句中用it作形式主语的结构为保持句子平衡，常把主语从句后置，而用形式主语it代替。it作形式主语时常用于以下句型：句型说明It＋系动词＋形容词＋that从句常用于此句型的形容词有important,(un)likely,possible,necessary,natural,wrong等It＋系动词＋名词＋that从句常用于此句型的名词有fact,idea,honor,question,pity等续表It＋be动词＋过去分词＋that从句常用于此句型的分词有known,proved,said,decided,suggested,thought等It＋特别动词＋that从句常用于此句型的动词有appear,happen,seem,occur等It'spossiblethathehasbeentoBeijing.他有可能去过北京。It'sapitythatyoudidn'tattendthemeeting.你没参与这次会议太惋惜了。Itissuggestedthatthemeetingbeputoff.有人建议会议延期召开。Itseemsthatitisgoingtorain.看起来似乎要下雨。四、主语从句中应留意的问题(1)从句的语序要用陈述语序。Whoeverleavestheroomlastisexpectedtoturnoffthelights.无论谁最终离开房间都要把灯关掉。(2)从句作主语时，主句的谓语一般用单数形式。有时受表语的影响用复数形式。Whatyousaidjustnowisquiteright.刚刚你说的话很对。Whathewantstoreadnowaresomemagazines.现在他想读的是一些杂志。(3)从句的时态一般要取决于主句。Whatmadepeopleexcitedwasthatthesolarshiphadcompletedaround­the­worldtrip.让人们激烈的是太阳能船已完成了环游世界的旅行。Ⅰ.用适当的连接词填空1．ThathegotthefirstprizeintheEnglishContestsurprisedallofus.2．Whethertheywouldsupportuswasaproblem.3．WhowilltaketheplaceofMrLiasournewheadmasterhasn'tbeendecided.4．Whatcausedtheaccidenttohappenhasn'tbeenmadeclearyet.5．Whoeverhashelpedtosavethedrowninggirlisworthpraising.6．It'ssaidthatgovernmentworkersnowmake,onaverage,30%morethanprivatesectorworkers.7．Howwecangetintouchwithhimisthemostimportant.8．Ireadaboutitinsomebooksorother.Doesitmatterwhichitwas?Ⅱ.补全句子1．What_impresses_us_most_are(让我们印象最深的是)yourartskills,inwhichyoushowedoutstandingtalent.2．What_surprises_us_most_is(让我们最惊讶的是)thatthewatercanremainatthattemperatureforabouttwentyhours.3．It_is_reported_that(据报道)300millionpeopleinChinahaveeyesighttrouble.4．That_she_gave_birth_to_a_healthy_baby(她生了一个健康的婴儿)madethefamilyveryhappy.5．Whether_his_parents_will_buy_a_new_computer_for_him(父母是否给他买一台新电脑)dependsonhisexamresults.6．Itremainsamysterywhy_this_kind_of_animal_died_out_suddenly(为什么这种动物突然灭亡了)．7．Which_book_they_will_choose(他们将选哪本书)isstillunknown.8．Where_we_will_have_the_