主语从句课件-高三英语一轮复习

名词性从句

主语从句宾语从句表语从句同位语从句名词性从句

之主语从句Lead-in:找出每个句子中的主语1.Markisgoodatplayingthepiano.2.Hewentoutwithhisfriends.3.Toseeisbelieve.4.Smokingisbadforhealth.5.Whathesaidistrue.主语从句引导词1.连接词2.连接代词3.连接副词thatwhether/ifwhat(ever)who(ever)whom(ever)which(ever)whosewhen(ever)where(ever)whyhow(ever)Eg:

hewillcometoourvillagetomorrowsurprisesusall.

itwilldogoodtousremainstobeseen.

theaccidenthappenedisstillunknown.

wonthegamehasn’tbeenannouncedyet.ThatWhetherHowWho1.

youcansucceedornotdependsonhowhardyouworkatit.t2.Itisunknown

hehasagreedonmyplan.3.

theearthmovesaroundthesunisknowntoall.4.

hesaidjustnowistrue.5.

comeslatewillbepunishedbytheteacher.Whetherwhether/ifThatWhatWhoeverDoingexercise:1.

YuanLongpingreallycaredaboutwasnotmoney.2.

classwillwinisnotclear.3.

themeetingwillstarthasnotbeendecidedyet.4.

LiBaiwasbornisknowntothepublic.5.

shoulddotheworkrequiresconsideration.WhatWhichWhenWhereWhoDoingexercise:

目的：避免主语过长，导致整个句子头重脚轻.特别注意1：

It=形式主语1.Thathewillcometoourvillagetomorrowsurprisesusall.Itsurprisesusallthat

hewillcometoourvillagetomorrow.

特别注意：

It=形式主语2.Whetheritwilldogoodtousremainstobeseen.It

remainstobeseenwhether(if)itwilldogoodtous.3.Howtheaccidenthappenedisstillunknown.It

isstillunknownremainshowtheaccidenthappened.几乎所有的主语从句都可以改成it形式主语But!以what/whatever引导的主语从句不可以改为it形

式主语的结构。

Itis+形容词/名词/名词短语等+that引导主语从句特别注意2：

important、necessary、anecessity

that从句中的谓语动词一般要采用“should+do”的虚拟

语气形式，should经常省略特别注意2：

Itisnecessarythatwe(should)learnEnglishwell.Itishighlyimportantthatwe(should)fastenthebeltwhiledrivingthecar.Itis(was)+被强调部分+who(that)+其他特别注意3：

强调句HemetLiPingyesterday.ItwasyesterdaythathemetLiPing.ImetLiMingattherailwaystationyesterday.