主语从句教案-2024届高考英语一轮复习

专题二主语从句执笔人李雨欣

一、主语从句的定义和功能用作主语的从句称为主语从句即一个句子作主语；由定义可知，主语从句在主从复合句中作主语1What struckme wasthat theyhave allsuffered a lot.EG.12Whether theywould supportus wasa problem.3That youare comingto Londonis thebest newsI haveheard thislong time.4When we arrive doesnt matter.5Whatyousaidistrue.6Whomwe muststudyforis a questionofgreat importance.找出下列旬子中的主语从句及其弓导词，并且指出引导词是否充当成分，充当什么

2.I成分

1.That we shall be late iscertain.

2.That the driver could not control his carwas obvious.

3.It iscertain thatweshallbelate.

4.It wasobvious thatthedrivercouldnotcontrolhiscar.

5.Is itpossible that they will come tomorrow

6.It isclear thathe wastelling thetruth.

7.Its probablethat wellbe alittle late.

8.What causedthe accidentis acomplete mystery.

9.It worriedher abit thather hair was turning grey.

10.It shockedme thatPeter didnttell anybodywhere hewas.

二、注意事项

①that引导主语从句放在句首时，that不可省，但在句末口语中可省如That hewas illyesterday isknown now.

②if引导主语从句时，只能用it作形式主语，放在句首，而将if引导的主语从句放到句末如It is uncertain ifhewillleave forBeijing tomorrow.

④连接代词引导主语从句只能放在句首如;

1.Who has broken the glass is unknown.

2.What hewants isall here.

⑤主语从句中主句的谓语动词一般用第三人称单数形式，但what引导主语从句的主句谓语动词的形式须根据句子的意思来判断如

1.How heworked itout isstillasecret.

2.What theymakes inthis factoryare TVsets.

三、主语从句练习锦集完形填空1makes mistakes must correct them.2It worriedher abit herhairwasturninggrey.3It*suncertainthe experimentis worthdoing.4we cantget seemsbetter thanwe have.5you dontlike himis noneof mybusiness.6well gocamping tomorrowdepends onthe weather.7you comeor notis upto you.8makes mistakemustcorrectthem.9wearrivedoesnt matter.10surprise methattheyhave sufferedalot.11we willgo foranoutingtomorrowremains unknown.12she boughtso manydictionaries isnot clear.13Its apity youcan tattend mybirthday party.14It ispossible hehas stolenthe car.15hasbrokentheglassisunknown.。