UNIT 1 Section Ⅱ Learning About Language（Word教参）-【优化指导】2023-2024学年新教材高中英语选择性必修第二册（人教版2019）

Section Ⅱ　Learning About Language 表语从句 [对应学生用书P13] [观察] 1.One theory was that bad air caused the disease. 2.The other was that cholera was caused by an infection from germs in food or water. 3.The truth was that the water from the Broad Street pump had been infected by waste. [探究] 以上黑体部分在句子中的作用相当于名词，且位于系动词was后作表语，故又被称作表语从句。 1.常见的可以接表语从句的连系动词有哪些？ be、feel、seem、look，appear、sound、remain、prove、taste、smell、become、keep、turn、go、stay、get等。 2.表语从句常用哪些词连接？ 表语从句的引导词包括连词(如that、whether)、连接代词(如who、what、which)、连接副词(如when、where、how、why)等。 一、表语从句的定义 [感知] 1.The problem is when we can get a pay rise. 问题是我们什么时候能加薪。 2.What I want to say is that I am tired. 我想说的是我累了。 3.It appears to me that he wants to teach us all he has. 在我看来，他想把他所有的东西都教给我们。 4.When Father came in，it seemed that Tom was eating something. 爸爸进来时，汤姆似乎正在吃东西。 [探究] 1.以上例句中主句的谓语动词分别是is、is、appears to、seemed。 2.以上例句分别由when、that、that、that引导的从句作表语。 [归纳] 1.表语从句就是在主从复合句中充当表语的从句，放在连系动词之后，用来说明主语是什么或者怎么样。 2.含表语从句的主从复合句的构成：主语＋系动词＋引导词＋表语从句。 [即练] 单句填空 ①The question discussed at the meeting was whether it was worth trying. ②The trouble is that I lost the key to my room. ③I'm a bit sleepy；it's because I was up all night. 二、表语从句引导词的用法 (一)that/whether引导表语从句 [感知] 1.The trouble is that she has lost his address. 麻烦的是她弄丢了他的地址。 2.The question remains whether they will be able to help us. 问题还是他们能否帮助我们。 [探究] 以上句子中that、whether引导表语从句，引导词在句中均不作(作/不作)成分。 [归纳] 1.that引导表语从句时，在句中不充当句子成分，无实际意义，一般不能省略。 2.whether起连接作用，意为“是否”，在句中也不作任何成分。此时主句的主语通常是抽象名词，如question、problem、result、chance、suggestion、reason等。 whether 可引导表语从句，但if不行。 [即练] 用适当的连接词填空 ①The fact is that English is widely used all over the world. ②The good news for small farmers is that there will also be opportunities for new kinds of farming. ③What Tina cares about most is whether the company provides opportunities for further education. ④The main question is whether you want your arms inside or outside the sleeping bag. ⑤The fact is that we cleaned the lab a few days ago. ⑥The question was whether the