2023届上海市高考英语语法专题考点一：主语从句讲解与练习

考点一：主语从句一、定义主语从句是作句子主语的从句,放在句首位置。二、引导词主语从句常由以下引导词引出:1.从属连词:that,whether例句:Thatlighttravelsinstraightlinesisknowntoall.Whetherweneedtodoitrightnowisquestionable.2.连接代词:who,what,which,whichever例句:Whowillwinthematchisstillunknown.Whathesaidatthemeetingsurprisedeveryone.Whichisthebestwayremainstobedecided.Whicheverhechooseswillbetherightone.3.连接副词:when,where,how,why例句:Whenhewillcomebackhomeisnotclear.WheretheEnglisheveningwillbeheldhasnotbeenannounced.Howwecansolvethisproblemneedsthinkingabout.Whyshewaslateforclassishardtoexplain.三、结构1.主语从句多数情况下放在句首。2.为避免头重脚轻,常将主语从句置于句末,用“it”作形式主语。四、练习1._____mattersmostrightnowishowwecanraisemoneyfortheschool.A.WhatB.ThatC.WhichD.This2._____hewantstotellusisnotclear.A.WhenB.HowC.WhatD.That3._____we'llattendthepartyremainsunknown.A.WhomB.WhetherC.HowD.What4._____gotthefirstprizemadeusveryproud.A.WhoB.ThatC.WhichD.What5._____youcomeornotmatterslittle.A.IfB.WhetherC.WhenD.That6._____surprisedmemostwasthatsuchthingshappenedinbroaddaylight.A.WhatB.ThatC.ItD.As7._____hereallymeansisnotcleartome.A.WhatB.WhyC.WhichD.How8._____winsthematchisveryimportanttous.A.WhoB.WhomC.WhichD.Whether9._____impressedmemostwaswhathesaidatthemeeting.A.WhatB.WhyC.HowD.That10._____willwintheelectionremainsunpredictable.A.WhoB.WhomC.WhichD.Where11._____we'llgocampingtomorrowdependsontheweather.A.WhetherB.ThatC.IfD.When12._____shouldbesenttothedisasterareaisamatterofdiscussion.A.WhoB.WhereC.HowD.What13._____hereallythinksisunknowntous.A.HowB.WhatC.WhyD.Which14._____gotinjuredintheaccidenthasnotbeenconfirmed.A.ThatB.HowC.WhoD.When15._____youcomeornotmakesnodifferencetome.A.IfB.WhetherC.WhenD.That16._____hewillattendthepartyremainsaquestion.A.WhenB.WhetherC.WhatD.How17._____we'llgocampingtomorrowhasnotbeendecided.A.WhetherB.IfC.ThatD.What18._____hasbeenannouncedthatweshallhaveourfinalexamnextmonth.A.ThatB.IfC.ItD.As19._____heismarriedsurprisedeveryone.A.WhatB.ThatC.HowD.Whether20._____winswillrepresentthewholeclass.A.WhoB.WhomC.WhoeverD.Whomever21._____surprisedmemostwasthatsuchthingshappenedhere.A.WhatB.ThatC.ItD.As22._____youcomeornotisentirelyuptoyou.A.IfB.WhetherC.ThatD.What23._____hereallymeansisnotclear.A.HowB.WhyC.WhatD.That24._____we'llattendthemeetinghasn'tbeendecided.A.ThatB.WhatC.WhetherD.How25._____gotthefirstprizemadeusveryproud.A.WhoB.ThatC.WhichD.What26._____hesaidatthemeetingsurprisedeveryone.A.WhyB.HowC.WhatD.That27._____youcomeornotmatterslittle.A.IfB.WhetherC.ThatD.How28._____hecomestoseeusisuncertain.A.WhenB.HowC.WhetherD.Why29._____we'llgocampinghasnotbeendecided.A.WhetherB.IfC.ThatD.What30._____istoblamefortheaccidentisstillunderinvestigation.A.WhyB.WhoC.HowD.When参考答案:1.A2.C3.B4.D5.B