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1、,主语从句Subject Clauses,.主语从句的定义,试着找找以下句子的主语？1)Yao Ming was a basketball player.姚明（以前）是一个篮球运动员。2)He loves playing basketball.他非常热爱打篮球。3)Playing basketball is good for our health.打篮球有益于我们的健康。,定义,试着找找以下句子的主语？1)Yao Ming was a basketball player.姚明（以前）是一个篮球运动员。2)He loves playing basketball.他非常热爱打篮球。3)Playin
2、g basketball is good for our health.打篮球有益于我们的健康。,定义,主语从句定义：在复合句中充当主语成分的句子,定义,主语从句定义：在复合句中充当主语成分的句子That Yao Ming plays basketball very well is undoubted.姚明篮球打得很好（这一点）是毫无疑问的。,定义,主语从句定义：在复合句中充当主语成分的句子That Yao Ming plays basketball very well is undoubted.姚明篮球打得很好（这一点）是毫无疑问的。,定义,What he said is absolutel
3、y true!,.主语从句的引导词的分类,主语从句的引导词主要有两类：第一类：除引导词外，从句是完整的（即不缺主语、宾语和表语）that（无意义）whether/if（是否）how（怎样）when（什么时候）where（什么地方）why（为什么）That Yao Ming will represent China to compete in the Olympics is impossible.姚明代表中国去参加奥运会是不可能的。,引导词,主语从句的引导词主要有两类：第一类：除引导词外，从句是完整的（即不缺主语、宾语和表语）that（无意义）whether/if（是否）how（怎样）when（
4、什么时候）where（什么地方）why（为什么）That Yao Ming will represent China to compete in the Olympics is impossible.姚明代表中国去参加奥运会是不可能的。,引导词,主语从句的引导词主要有两类：第二类：除引导词外，从句是不完整的（即缺少主语，宾语或者表语）what（什么）who（谁）which+名词（哪个）whose+名词（谁的）Who will represent China to compete in the Olympics hasnt been decided yet.派谁代表中国参去加奥运会尚未确认。,引
5、导词,主语从句的引导词主要有两类：第二类：除引导词外，从句是不完整的（即缺少主语，宾语或者表语）what（什么）who（谁）which+名词（哪个）whose+名词（谁的）Who will represent China to compete in the Olympics hasnt been decided yet.派谁代表中国参去加奥运会尚未确认。,引导词,课堂练习,_ the experiment is worth doing is uncertain.A.What B.That C.Whether D.Who,1,课堂练习,_ the experiment is worth doin
6、g is uncertain.A.What B.That C.Whether D.Who,1,课堂练习,_ the experiment is worth doing is uncertain.A.What B.That C.Whether D.Who,2,解析,首先从句“实验值得做”是完整的，因此排除AD；其次这件事是“不确定的”，因此要选whether，使句子意思通顺。,1,课堂练习,_ surprised me most was that such a little boy could play the violin so well.A.What B.That C.Whether D.W
7、ho,2,课堂练习,_ surprised me most was that such a little boy could play the violin so well.A.What B.That C.Whether D.Who,2,课堂练习,_ surprised me most was that such a little boy could play the violin so well.A.What B.That C.Whether D.Who,2,解析,根据句意，“令我吃惊的事”是主语，而这句从句显然缺少了主语，并且不是人，因此要选择what。,2,.主语从句的特殊句式,特殊句式,That Yao Ming plays basketball very well is undoubted.,It,It is undoubted that Yao Ming plays basketball very well.,主语从句知识小结,课后作业,课后作业,有朋自远方来，不亦乐乎？,思考,Thanks!,
