Unit 3 Section Ⅱ Grammar and usage-【金版新学案】2023-2024学年新教材高二英语选择性必修第四册同步课堂高效讲义教师用书（译林版2020）

Section Ⅱ　Grammar and usage 名词性从句 [教材示例] 分析下列加黑部分并体会其语法特征 1．(教材原句)It is certainly true that most of us do join the labour force once our studies are completed. 2．(教材原句)We can take pride in the knowledge that hard work is essential for our individual well­being as well as for the benefit of our society as a whole. 3．(教材原句)As you start to make plans for what you want to do with your future，you might ask a question whether you should start your own business. 4．(教材原句)Another advantage is that you will be able to better provide for yourself and your family，or even the economy will benefit if you achieve commercial success. [我的发现] 1．句1中，that引导主语从句； 2．句2中that引导同位语从句； 学生用书↓第78页 3．句3中what引导宾语从句，whether引导同位语从句； 4．句4中that引导表语从句。 一、名词性从句的分类 　名词性从句包括主语从句、宾语从句、表语从句和同位语从句。 Whether she will join us does not matter too much.(主语从句) 她是否加入我们不重要。 After many days’ voyage，they arrived in what is called Africa nowadays.(宾语从句) 经过许多天的航行之后，他们到达了如今被称之为非洲的地方。 The trouble is that we are short of funds.(表语从句) 困难在于我们缺乏资金。 The news that they had won the game soon spread over the whole school.(同位语从句) 他们赢得了比赛的消息很快就传遍了整个学校。 二、名词性从句的连接词 引导名词性从句的连接词分为三类： 连词：that，whether，if 连接代词：what，whatever，who，whoever，whom，whose，which 连接副词：when，where，how，why 1．that引导名词性从句的用法 (1)that只起连接词作用，引导名词性从句，在从句中不作任何成分，本身也没有词义。 That he is still alive is sheer luck. 他还活着全靠运气。 John said (that) he was leaving for London on Wednesday. 约翰说他星期三要去伦敦。 (2)that在引导名词性从句时，常可省略，但在以下情况中，that不宜省略。 ①that引导的主语从句位于句首时，that不可省略； ②当动词后带有两个并列的宾语从句时，引入第二个从句的连词that不可省略； ③当that宾语从句前有it作其形式宾语时，that不可省略； ④that引导的从句作介词的宾语时，that不能省略； ⑤引导表语从句和同位语从句时，that一般不可省略。 The teacher told the students (that)they should hand in their homework the next day and that the homework must be signed by their parents. 老师告诉学生要在第二天上交作业，并且作业必须由家长签名。 The fact that he has fully recovered makes me feel good. 他已痊愈，真令我高兴。 2．whether/if引导名词性从句的用法 (1)if，whether引导的名词性从句是由一般疑问句或选择疑问句转化而来的，whether与if表示“是否”，只起连接词的作用，引导从句，在从句中不作任何成分。 (2)whether和if有时可通用，但在下列情况下，只可用whether： ①whether引导主语从句并放在句