主语从句讲解市公开课一等奖省赛课微课金奖课件.pptx

Grammar;名词性从句包含：

宾语从句：介宾结构；动宾结构

表语从句：系表结构(系动词后面跟一个从句)

主语从句:一个句子做主语

同位语从句：对名词进行解释说明;判断以下从句：

1.Chinaisnolongerwhatsheusedtobe.

2.Thequestionremainswhethertheywillbeabletohelpus.

3.ItseemedasifIcouldntthinkoftherightword.

4.ThereasonwhyIstudyhardisthatIwanttogotoakeyuniversity.

5.Theybelieveinthatshemuststillbesingle.

6.IknownothingabouthimexceptthatheislivinginBeijing

7.Idon’tknowwhetherhe’sfreeornot.

8.MaryaskedwhetherIwasdoingmyhomeworkornot.

9.I’mthinkingofwhetherweshouldgofishing.

10.Weareworriedaboutwhetheritwillraintomorrow.

;第4页;(1).连接词：that在句子中不充当任何成份，无意义，不可省略

Thathewillwiniscertain.

Thathegotthefirstprizemadehisparentsveryhappy.

ThatChinahasbecomestrongiscertain.

Thattheyloveeachotherisobvious.

Thatheplayedcomputergamesintonightmadehisparentsdisappointed.;(2).连接词whether在句中不充当成份，意为“是否”

Whetherwegobytrainorbyboatmakesnodifference.

Whetherlifeexistsonotherplanetsisnotclear.

Whetherhe’llcomehereisn’tclear.

Whethertheoldbusstationshouldbereplacedwithamodernhotelornotisunderdiscussion.;(3).连接副词when(时间),where(哪里),why(为何),how(怎么；怎样)有词义，在从句中担任状语。

WhyChenLincommittedsuicidehasnotbeenclearyet.

Howthishappenedisnotcleartoanyone.

Wherehefoundthetreasureremainsamystery.

Whenwewillholdthegraduationceremonyhasnotbeendecidedyet.

Whentheywillleaveisnotdecided.

;(4).连接代词：who(谁，主格);whom(谁；宾格);whose(谁);what(什么…事/话…);which(哪一个);whoever(不论谁),whatever(不论什么),whichever(不论哪一个)在句子中担任主语，宾语，表语或定语;主语从句能用it做形式上主语(二);注意:由that引导主语从句有时为了使句子结构平衡,防止“头重脚轻”,惯用it作形式主语,而把从句放在后面。比如:

;这么就组成了下面一些惯用句型:

1)Itis+n.+从句

Itisapity/shamethat...遗憾是……

Itisasurprisethat…令人惊奇是…

Itisafactthat……??事实

Itiscommonknowledgethat……是常识

*_______________(很遗憾)welostthematch.

*______________(这是事实)hecheatedintheexam.