Section 4 Focus on Language:Noun Clauses 课时目标 1.了解名词性从句的定义,掌握四种名词性从句。 2.掌握名词性从句的引导词,并能在写作中灵活运用。 3.能正确分析语篇中带有名词性从句的句子。 语境中体悟 I have drawn a conclusion ①that the secret to happiness is truly being grateful.This means at all times, particularly when things are not going well, being grateful will help you find the positives among the cloud of negatives. Then I have realized something that I believe is ②how things work.Sometimes, things make us feel pain, in order to remind us ③that we still need to be grateful and ④that we need to have faith.Whenever you feel that you are encountering failure after failure, just try to remember ⑤that life resembles a roller coaster. Failure is not bad. ⑥What you should remember is ⑦that failure is normal. [语法入门] 句①是that引导的同位语从句,作conclusion的同位语,解释conclusion的内容。 句②是how引导的表语从句。 句③和句④都是that引导的宾语从句,两个宾语从句是并列关系,作remind的宾语。 句⑤是that引导的宾语从句,作remember的宾语。 句⑥是what引导的主语从句,what表示“……的(事情)”。 句⑦是that引导的表语从句。 学案中理清 在复合句中起名词作用的从句叫名词性从句 (Noun Clauses)。名词性从句的功能相当于名词词组,它在复合句中能充当主语、宾语(包括介词宾语)、表语或同位语等。因此,根据它在句中不同的语法功能,名词性从句又可分为主语从句、宾语从句、表语从句和同位语从句。 种类 用法 主语从句 在复合句中作主语;有时可用it作形式主语,而把主语从句后置 宾语从句 作动词、介词或形容词的宾语;有时用it作形式宾语 表语从句 位于系动词之后作表语,连词that有时可省去 同位语从句 在复合句中作某一名词的同位语,说明其内容,一般紧跟在该名词之后 一、主语从句(Subject clause) 1.主语从句的引导词 (1)从属连词that和whether that引导主语从句时一般放于句首,that本身无词义但一般不可省略;whether 引导主语从句时在句中表示“是否”之意,也不能省略。二者在句中都不充当成分。 (2)连接代词:who、 whom、 whose、 what、 which、 whoever等。 (3)连接副词:when、 where、 how、 why等。 连接代词和连接副词在句中既保留自己的疑问含义又起连接作用,在从句中充当成分。 That she was chosen made us very happy. 她被选上了使我们很高兴。 Whether they would support us was a problem. 他们是否会支持我们还是一个问题。 When the plane is to take off has not been announced. 飞机何时起飞还没有宣布。 2.用it作形式主语的主语从句 主语从句可以直接放在句首,有时为了平衡句子结构或表示强调,常用it作形式主语,而将作真正主语的从句后置。 常以it作形式主语的句型有: ①It+be+形容词/名词词组/过去分词+that从句 ②It+特殊动词(seem/happen ...)+that从句 It's certain that she will do well in her exam. 毫无疑问她的考试成绩会很好。 It's a pity that we can't go. 很遗憾我们不能去。 It's said that Mr Green has arrived in Beijing. 据说格林先生已经到北京了。 It happened that I was out that day. 碰巧我那天外出了。 3.whether/if引导的主语从句 在主语从句中,若从句置于句首且连接词意为“是否”时,常用whether引导;若用it作形式主语,而将主语从句后置,则可用if,但习惯上多用whether。 It doesn't matter whether/if he will come. 他来不来都没有 ... ...
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