Unit1 Period Ⅱ Learning About Language-【优化探究】2023-2024学年新教材高中英语选择性必修第二册同步导学案配套教参（人教版）

Period Ⅱ　Learning About Language 单元语法：表语从句 授课提示：对应学生用书第12页 [语法体会] [生活中的语法] [学习中的语法] ①One theory was that bad air caused the disease． ②The other was that cholera was caused by an infection from germs in food or water． ③The truth was that the water from the Broad Street pump had been infected by waste． ④That's why we've given you the letter． ⑤It looks as if it is going to rain． [我的发现] (1)以上5个句子都是主从复合句，黑体部分均为从句，这些从句属于表语从句。 (2)①②③属于that引导的表语从句，④属于why引导的表语从句，⑤属于as if引导的表语从句。 [语法图解] [知识精要] 一、概念 在主从复合句中充当表语的从句，叫作表语从句。它常位于系动词之后，用来说明主语是什么或怎么样。 二、连接词的用法 1．that引导的表语从句 用法：①无意义　②(在从句中)不充当成分　③一般不省略 The trouble is that she has lost his address.麻烦的是她弄丢了他的地址。 My suggestion is that we should tell him.我的建议是我们应该告诉他。 2．whether引导的表语从句 The question remains whether they will be able to help us.问题仍然是他们能否帮助我们。 [名师点津]　if不能引导表语从句。 3．连接代词和连接副词引导的表语从句 The problem is how we can find him.问题是我们如何找到他。 He is no longer what he was.他已经不再是以前的他了。 That's where you are wrong.这就是你不对的地方。 4．because、as if/as though等引导的表语从句 It seems as if he knows everything.看起来好像他知道一切事情。 That's because you can't appreciate music.那是因为你不会欣赏音乐。 [即学即练1] 选词填空 ①The fact is that we have lost the match. ②What he wants to know is whether we can finish our work by tomorrow morning. ③It looks as if it is going to snow. ④This is what we want to do. ⑤Their difficulty is how they can raise enough money. ⑥Tom was caught in a heavy rain.That was why he caught a cold yesterday. 三、注意事项 1．why和because引导的表语从句的区别 That's why... 意为“那是……的原因”，强调结果 That's because... 意为“那是因为……”，强调原因 I didn't phone her，and that's why she got angry with me.我没有给她打电话，那就是她对我生气的原因。(强调“生气”这一结果) I didn't phone her，and that's because I got angry with her.我没有给她打电话，那是因为我生她的气了。(强调“生气”这一原因) 2．表语从句中的虚拟语气 在表语从句中，表示间接的命令、要求、请求、建议、决定等，主句中的主语通常是advice、suggestion、proposal、request、order、idea等，从句谓语形式是“should＋动词原形”(should可以省略，但不可换成would)。 My suggestion is that we (should) start early tomorrow.我的建议是我们明天应该早点出发。 [即学即练2] 完成句子 ①我的建议是我们应该去帮助他。 My suggestion is that we (should) go and help h