05 Unit 2 Learning About Language(备课件)-【上好课】2021-2022学年高二英语同步备课系列（人教版2019选择性必修第二册）

Unit 2 Bridging Cultures Learning About Language 1 复习名词性从句 一、主语从句(subject clause) 1. 在复合句中充当主语的从句称之为主语从句, 一般置于句首。 主语从句引导词有: (1)连词that和whether, 在主语从句中只起连接作用, 不充当任何成分。 (2)连接代词who, whoever, whom, whose, what, whatever, which, whichever, 在主 语从句中充当主语、宾语、表语。 (3)连接副词when, where, how, why, 在主语从句中作状语。 *That he worked out the complex problem astonished other students. 他解决了这个复杂的题目让其他同学感到惊讶。 *When the exam of qualification will be held hasn’t been decided. 资格考试什么时候举行还没决定。 *Whether he will participate in this campus art festival isn’t clear.   他是否参加这次校园艺术节还不清楚。 *What worried the old couple was that their children got involved in the crime.  令这对老夫妇担忧的是他们的孩子参与了这次犯罪。 *Whatever happens you may be quite sure that I will not blame you. 不管发生什么事, 你可以确信我不会责备你。 2. 为了防止句子头重脚轻, 通常把形式主语it放在句首位置, 真正主语置于句末。it作形式主语的常见句型有: (1)It is a (fact, pity, question, wonder, good thing, surprise ) that. . . (2)It is necessary (important, strange, natural, etc. ) that sb. should do表达惊奇、不相信、惋惜、理应如此等语气。 (3)It is said (e