Unit1 Science and Scientists Discovering Useful Structures 课件-2023-2024学年高中英语人教版（2019）选择性必修第二册

Science and Scientists 选必2U1 Discovering Useful Structures 高中英语新人教 主讲人：Cathy 表语从句 1.What is predicative ? is He a volunteer. seemed She exhausted. is My goal to accumulate a huge fortune. turn The leaves yellow. tastes It good. remained The door locked. 表语是用来说明主语的身份、性质、品质、特征和状态的。 Warming up 主语 + 系动词 + 表语 主系表结构 对本课件使用有任何疑问，请联系小助手：naodong12 更多优质内容，请关注微信公众号【脑洞英语课堂】 2 Eg: The question is who broke the vase. 主语 系动词 表语从句 2.Definition of predicative clause 连接词 在复合句中作表语的从句叫做表语从句。表语从句位于主句的系动词之后，对主语进行解释、说明，使主语的内容具体化。表语从句必须用陈述语序。 系动词的分类 1.感官类系动词（sound,look,taste,smell,feel) 2.变化类系动词(get,fall,grow,turn,go,become…) be动词 3.状态系动词 保持类系动词（keep,remain,stay） 似乎类系动词（ seem,appear） 证明类系动词（prove,turn out) （am,is,are,was,were)，意为“是” 3.Kinds of link verbs 点击添加相关标题文字 ADD RELATED TITLE WORDS Who will win the match is still unknown. I want to know what he has told you. The fact is that we have lost the game. The news that we won the game is exciting. 主语从句 宾语从句 表语从句 同位语从句 名词性从句的分类 表语从句是用来说明主语的身份、性质、品性、特征和状态的, 常位于系动词之后。引导表语从句的词有从属连词、连接代词和连接副词。 1. 由从属连词that, whether引导的表语从句。 (1)that在引导表语从句时无词义, 而whether有词义, 意为“是否”。 (2)主句的主语常常是一些抽象名词, 如question(问题), trouble(麻烦), problem(问题), result(结果), chance(可能性), idea(想法), reason(理由)等。表语从句对主句主语进行说明、解释, 使主语的内容具体化。 (3)主句的主语如果是advice, suggestion, order, request, requirement等时, 表 语从句应用虚拟语气, 即谓语动词用“(should +)动词原形”。 ①The trouble is ________________________ (她丢了钱).   ②The question is __________________________ __(我们是否还需要一些冰淇淋).   ③My advice is that you ______________________________ (练习说英语) as often as possible.   that she has lost her money whether we need more ice cream (should) practise speaking English 2. 由连接代词引导的表语从句。 连接代词who, what, which, whom, whose等引导表语从句, 在表语从句中作 主语、宾语、表语, 连接代词不能省略。 ①That’s _______________________(他在担心的事).   ②What I want to know is __________________________(谁带我们去车站).   ③The question is ____________________________(我应该选哪一台电脑).   what he