Unit2Grammarandusage课件-高中英语牛津译林版（2020）选择性必修第三册

Doyouknowwhattheyare?FAST(Five-hundred-meterApertureSphericalTelescope)500米口径球面射电望远镜，也被称为“中国天眼”GalileotelescopeReadthearticleonpage20andfillinthefollowingtable.TheuseoftelescopestoexplorespaceTimeBreakthroughsUseIn1990InrecentyearsQ:WhatallowsHubbletoseefurtherthanground-basedtelescopes?ThatHubbleisbasedinspaceallowsittoseefurtherthanground-basedtelescopes.Subjectclauses(主语从句)在复合句中，如作主语的是一个从句，该从句被称为主语从句。主语从句须用陈述语序，单个从句做主语，主句谓语动词一般用单数。谓Belowisanewspaperfeaturearticleontheuseoftelescopestoexplorespace.Findthesentenceswithsubjectclauses.()()()()1.ThatHubbleisbasedinspaceallowsittoseefurtherthanground-basedtelescopes,…2.Whether

lifeonotherplanetsdoesexistisyettobeproved,butthesignsarepromising...3.Itisclear

thattelescopesarecrucialtoolsforspaceexplorationandthatdevelopingtherequiredtechnologywillhelpastronomersallovertheworldmakeexcitingdiscoveries.4.Howmuch

wewilllearnfromthetelescopesismerelylimitedbyourimagination.thatwhetherit_____willbesenttherehasnotbeendecided.______youneedismorepractice._______oneisthebestisnotclear._________answersthequestion

willgetabook._________hedidwasright.__________

teamgainsthemostpointswins.WhoWhatWhichWhoeverWhateverWhichever关系代词who,what,which,whom,whose,whatever,whoever,whomever,whichever等引导主语从句时，它们可以在从句中充当主语、宾语或定语(whose)，产生语义。连接代词引导的主语从句what引导主语从句表示“……的东西/事情”，可转化为定语从句thething(s)which/that。

WhatIneed(=Thethingwhich/thatIneed)isamobilephone._______wecan’tgetalwaysseemsbetterthan_______wehave._______can'tkillyouwillmakeyoustronger.Whatyoutoldmeaboutyourcountryhasbroadenedmyhorizonsandarousedmyinterestinforeignculture.WhatwearegoingtolearnthenextclassisTangPoetry,scheduledonJuly20intheschoollibrary,我们将要学习的下一节课的内容是唐诗，定于7月20日在学校图书馆举行。你所告诉我的关于你的国家的事情开阔了我的眼界，激发了我对外国文化的兴趣。WhatWhatwhat高考作文链接_______theywillcomehasn'tbeenmadepublic.________hehasgoneisaquestion.______thereisgravityishardtounderstand._____hecanearnalivinginBritain

remainsabigproblem.连接副词引导的主语从句WhenWhereWhyHow连接副词when,where,why,how,however,whenever,wherever等引导主语从句时，它们在从句中作状语，产生语义。________hewillcomeornotisnotknownyet.It'suncertain__________he'llcomethisevening.1.that2.whether/ifthat不充当句子成分，无语义，只起连接作用，不能省略。Whetherwhether/if用whether不用if的情况：1.主语从句位于句首时；2.从句后有or或紧跟ornot时that/whether/if引导的主语从句ThatHubbleisbasedinspaceallowsittoseefurtherthanground-basedtelescopes.“主系表”句型：1.It+be+形容词+that从句2.It+be+名词词组+that从句3.It+be+V-ed+that从句“主谓宾”句型:

为避免句子头重脚轻，常用it作形式主语放句首,而主语从句后置。常用句型有：Itisapparent/important/strangethat...it作形式主语

引导的主语从句Itissaid/reported/acknowledgedthat...Itisapity/shamethat...Itsuddenlyoccurredtomethat...语法填空中主语从句如何选择引导词不缺必要成分缺必要成分连接代词（what,who,which,whom,wh-ever,whose）缺意思不缺意思when/why/where/how（表“是否”用if/whether）that缺什么意思，就填什么词！B1Circlethemistakesandcorrectthemintheblanks.1Thespacemissionwentsowellwasbeyondourexpectations.谓主Thatthespacemissionwentsowellwasbeyondourexpectations.Applyingtherules

主从为陈述句，不缺成分，不缺意义，用that来引导2Whethertheyareabletogrowmorevegetablesdependonhowmuchtimeittakes.谓主单个从句做主语，主句谓语用三单。Whethertheyareabletogrowmorevegetablesdependsonhowmuchtimeittakes.3Itwasnotclearhowlonghewillstayonthespacestation.主从句时态应与主句保持一致Itis

notclearhowlonghewouldstayonthespacestation.4WhatthelunarprobedidnotlandwasaworryforthepeoplebackontheEarth.主主从为陈述句，不缺成分和意义ThatthelunarprobedidnotlandwasaworryforthepeoplebackontheEarth.5ThatmakestheChinesepeoplehappyisthatChinahassuccessfullylaunchedaspacerocket.主主从缺主语，指“...的东西”WhatmakestheChinesepeoplehappyisthatChinahassuccessfullylaunchedaspacerocket.谓谓FillinthetablebelowaboutthemajorachievementsoftheChineseLunarExplorationProgram.SpacecraftTimeoflaunchMajorachievementsChang’e1(1)________________(2)_____________________________________________________Chang’e2(3)_______________(4)______________________________________________________Chang’e3(5)________________(6)___________________________Chang’e4(7)________________(8)_______________________________________________________Chang’e5(9)________________(10)_____________________________________________________InOctober2007InOctober2010InDecember2013InJanuary2019InDecember2020ItsuccessfullyorbitedandscannedtheMoon.ItcompletedamoredetailedscanoftheMoon.ItachievedsoftlandingontheMoon.ItsucceededinlandingonthefarsideoftheMoon.Itsuccessfullycollectedandreturnedlunarsamples.Completethepassagewiththecorrectsubjectclausesintheboxbelow.ThereisoneclauseyoudoNOTneedtouse.Writethelettersintheblanks.P21B2ebacWritedownyourpredictionaboutthedevelopmentofspaceexploration,usingsubjectclauses.Possibleanswer:Itis