Unit 2 Learning About Language—语法•提升语言能力（课件PPT）- 【新课程学案】新教材2022-2023学年高中英语选择性必修第二册（人教版2019）

Learning About Language —语法·提升语言能力 课时目标 1. 掌握本课时的重点单词、短语及句式的用法。 2. 复习和归纳名词性从句的功能和用法，包括名词性从句所使用的常见引导词、句子结构特点和使用效果。 3. 能够正确使用名词性从句表达意义，提升语言表达的丰富性和复杂度。 语法项目——复习名词性从句 初识语法——在美文运用中体悟　 It is 4：55 pm now. The basketball match is about to begin, but the problem is ①that Li Hong hasn't come yet. It is known ②that he is a leading part of our team. Without him, it's difficult for us to win the game. That's ③why we are worried. Later, when we heard the news ④that he would arrive in five minutes, we were all very happy. When he arrived, he told us ⑤that he was stuck in a traffic jam. ①that引导表语从句，起连接作用； ②that引导主语从句，it作形式主语； ③why引导表语从句，在从句中作原因状语； ④that引导同位语从句，解释说明the news的具体内容； ⑤that引导宾语从句，起连接作用。 慧学语法——运用“形式—意义—使用”三维动态语法观　 [自主感知] ①What we find out from space research is important for us on Earth. ②It's well-known that the ancient Chinese invented the rocket. ③We think it probable that he will succeed. ④The teacher showed us the controls of the spacecraft and explained how gravity worked. ⑤(教材P14典句)．..her tutor explained that she must acknowledge what other people had said if she cited their ideas, but that he mainly wanted to know what she thought! ⑥The proposal that we (should) import more equipment from abroad is to be discussed at the meeting. ⑦(教材P15典句)At first, Xie Lei had no idea what she should say ... ⑧The question remains whether they will be able to help us. ⑨(教材P15典句) ...what surprised her was that she found herself speaking up in class after just a few weeks. [会发现] (1)句①②加蓝词引导 从句，句③④⑤加蓝词引导 从句，句⑥⑦加蓝词引导 从句，句⑧⑨加蓝词引导 从句。 (2)句②③⑤⑥⑧⑨中的引导词为 ，在从句中不作成分；句①⑦中的引导词为 ，句④中的引导词为 。 (3)句②③中分别使用了 作形式主语和形式宾语，而作真正主语和宾语的主语从句和宾语从句后置。 主语 宾语 同位语 表语 连接词 连接代词 连接副词 it [规则点拨] 名词性从句包括主语从句、表语从句、宾语从句和同位语从句。 一、名词性从句的连接词　 1．that (1)that只起连接作用，引导名词性从句时，在从句中不作任何成分，本身也没有词义。 That the earth moves around the sun is known to all. 众所周知，地球围绕太阳转。 John said that he was leaving for London on Wednesday. 约翰说他星期三要去伦敦。 (2)