人教版（2019）选择性必修第一册Unit 5 Working the Land Learning About Language 课件

UNIT5WORKINGTHELAND

Period2DiscoveringUsefulStructures

1.学生惹得老师生气。Studentsmakestheteacherangry.2.这位学生的行为惹得老师生气。Thisstudent’sbehaviormakestheteacherangry.3.这位学生不知道答案惹得老师生气。Thatthisstudentdoesn’tknowtheanswermakestheteacherangry. Makesentences.S,单个名词S，名词短语S，句子复合句中用作主语的从句叫主语从句，属于名词性从句。VVV1.

WhatYuanLongpingreallycaredaboutwasnotmoneyorcelebrity.2.ThatYuanLongpinghadrealisedhisdreamofseawaterrice

surprisedthewholeworld.3.ItsurprisedthewholeworldthatYuanLongpinghadrealisedhisdreamofdevelopingseawaterrice.1.Lookatthecomplexsentencesbelowandstatethefunctionsofthenounclausesitalicised.subjectsubjectsubject有时句子主语太长，置于句末，用it替代它放句首作形式主语。Thenfindsimilarcomplexsentencesfromthetext.1.However,whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.2.Howthiscouldbedonewasachallengingquestionatthetime.3.However,whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.4.WhatimpressespeoplemostaboutYuanLongpingishisongoingabilitytofulfilhisdreams.1.从属连词(不作成分）2.连接代词（作成分）3.连接副词（作状语）what,who,whom,whose,which,wh+everthat,whether（置于句首不能用if）when,where,how,why一、主语从句引导词Thathewillpasstheexamiscertain.他会通过考试（这件事）是肯定的。Thattheearthisroundisafact.地球是圆的（这件事）是一个事实Whetherhewillpasstheexamisuncertain.他是否能通过考试（这件事）不确定。Whethershewillwintheprizeisstillunknown.她是否会得奖还不知道。that在从句中_______成分，____意义，______省略。whether在从句中_____成分，____意义，译为_____。结论：不做是否无不能不做有1.从属连词在引导主语从句时，位于句首或者与ornot连用时，只可以用

，而不可以用

引导

。If引导主语从句时，要用

做形式主语，且主语从句后置，此时if与whether

。可互换whetherif1.从属连词whethervsif翻译句子：她是否会来仍是个谜。Whethershewillcomeornotisstillamystery.If

shewillcomeornotisstillamystery.Itisstillamysteryif/whethershewillcome.√×√itWhatmakesmeangryisherattitude.Whatweneedismoretime.WhichbookIshallchoosehasn’tbeendecided.Whoeverbreaksthelawwillbepunished.2.连接代词SO定语Swhat,who,whom,wh+ever:在从句中

成分

which,whose:在从句中

成分，译为

、

。做主语、宾语、表语等做定语指物指人哪一个/些...的判断连接代词在句中充当什么成分。3.连接副词Whenwe’llstarttomorrowwillbetoldsoon.Whytheygotinvolvedinthefightwasstillunknown.Wherewillthetreesbeplantedhasnotbeendecided.Howtheywillreachthetopofthehighmountainisstillunderdiscussion.时间状语原因状语地点状语方式状语when,why,where,how,whenever,however,wherever等在从句中作

成分

状语判断连接副词在句中充当什么状语。Thatallcountriesworktogetherisimportant.

二、主语从句太长怎么办？用一个

It

来解决问题！Itisimportantthatallcountriesworktogether.

★主语从句为了避免头重脚轻现象,用it做_______，而把从句放在后面充当_________。形式主语真正的主语常见类型有：（1）Itis+名词(短语)+主语从句apity,afact,anhonor，agoodidea，a/nosurprise，nowonder......eg.It

isapitythathemissedsuchaninterestingfilm.

很遗憾......

Itisagoodnewsthathehasrecovered.

Itisafactthat

themoreyoupractice,thebetteryouget.

事实是......

常见类型有：（2）Itis+形容词+主语从句eg.Itwassurprising

thatshepassedthedifficultexam.Itisnotclear

whetherhetoldalie.clear,obvious,likely,probable,true…Attention：

此句型中的形容词是important,necessary，essential,strange等时，主语从句的谓语使用虚拟语气“（should）+动词原形”。例：Itisimportantthatwe(should)learnEnglishwell.常见类型有：（3）Itis+过去分词+主语从句eg.Itissaidthattheyaretwins.据说......Itisreportedthatabigearthquakehitthearea.said,reported,known,believed,thought,announced…Attention：

如果过去分词是suggested,ordered,required,advised,requested等表示建议、要求、命令等词时，主语从句的谓语应该使用虚拟语气。例：Itissuggestedthatstudents(should)washtheirclothesbythemselves.常见类型有：（4）It+不及物动词+主语从句seem,happen,appear,look,occur…eg.It

happenedthattheywereoutthatday.碰巧那天他们不在家。Itseemsthatitisgoingtorain.

看起来要下雨了。

Itseems/appears...that...

似乎……Ithappened(tosb.)that...

（某人）碰巧…Itoccuredtosbthat...(某人)突然想起...常见类型有：（5）It+及物动词+宾语+主语从句eg.Itshocksmethathefailedinthisexam.

Itinterestsmewhetheryousucceedornot.

Itsurprisedhimthattheycametovisithimsuddenly.三、主语从句的主谓一致1.Whetherthepatientwillbetaken____(be)unknown.2.Whenandwherethepatientwillbetaken_____(be)unknown.is从句作主语时，主句的谓语动词，大多数使用_______(单数？复数？)单数is由两个/多个连接词引导同一个主从，谓动使用____(单数？复数？)单数3.Whenthetaskcanbefinishedandwhetherhecanhavearest________unknown.4.Whathewantsmost____stayingwithhisfamily.

Whattheyneed_______masks(口罩).are主语为and连接的两个主从时，谓动使用______(单数？复数？)复数is

arewhat引导主语从句时，谓动由______决定单复数(主语？表语？)表语三、主语从句的主谓一致1.Whatsurprisedmemost_______(be)thatthemaninragswasamillionaire.2.Whattheschoolneedsmost_______(be)books.3.Whatheneedmost_______(be)money.4.Whenandwherethemeetingwillbeheldstill________(remain)aquestion.is

are

is

remains

四、主语从句的语序找出下列句子中的错误，并总结规律★主语从句一律用__________，即主语在前，谓语在后。正：Whenhewillcomeisnotknown.例1.Whenwillhecomeisnotknown.Howwegoforapicnicshouldbediscussed.Howdowegoforapicnicshouldbediscussed.√×陈述语序2.Matchthesentenceparts,andthentranslatethecompletedsentencesintoChinese.Payattentiontohowthesubjectsareintroduceddifferently.A.WhatworriesmanypeopleB.ThatthelifestyleisslowerandhealthierC.HowwecanfindasuitablesolutiontoproducesufficientfoodD.WhenthesewheatfarmerswilljointhispilotexperimentE.Itamazedallofusthat1.

remainsanunansweredquestion.2.

isanimportanttopicforustoresearch.3.

isthatthesechemicalsmayevencausecancer.4.

thesevegetablescanevenbeplantedwithoutanysoilthroughthisnewtechnology.5.

isthereasonwhysomepeopleprefertoliveinthecountryratherthaninthecity.A.WhatworriesmanypeopleB.ThatthelifestyleisslowerandhealthierC.HowwecanfindasuitablesolutiontoproducesufficientfoodD.WhenthesewheatfarmerswilljointhispilotexperimentE.ItamazedallofusthatDCAEB这些小麦农户什么时候会加入预试验仍然不得而知。如何能