Unit 5 Discover useful structures 主语从句课件-2023-2024学年高中英语人教版（2019）选择性必修第一册

主语从句 (Subject Clause) 一、学习目标： 通过学习，让同学们掌握并熟练运用主语从句。 二、学习重点：学生掌握主语从句的定义及引导词的用法。 三、学习难点：学生能运用主语从句准确地翻译句子。 1.Jane is good at playing the piano. 2.To see is to believe. 3.Smoking is bad for health. 4. Seven are killed in the accident. 5.He went to school by bike. 6.What he has said is true. 找出主语 (名词)    （不定式） （动名词） (数词） (代词） (从句） What is Subject Clause? 定义： 在复合句，充当句子主语的从句叫主语从句。 主语从句的连接词 The conjunctions of Subject Clause 主语从句的连接词： 1) 从属连词(conjunctions)： that, whether 2) 连接代词(conjunctive pronouns)： what, who, whom, which, whose, whatever, whoever, whomever, whichever 3) 连接副词(conjunctive adverbs)： where, when, why, how, wherever, whenever, however 1That he will come is certain. 2Whether it will please them is not easy to say. 3What seems easy to some people seems difficult to others. 4Which side will win is not clear. 5Why he did it remains a mystery. 6When they will start is not known yet. 7How he became a great scientist is known to us all. 8Who will take part in the meeting has not been decided. 9Whoever breaks the law will be punished. 10Where she is from is unknown. 找出下列句子的主语从句及连接词： 主语从句连接词的选用 The use of the conjunctions 一、从属连词that, whether 1._______ he can win is not known. 2._______ the boy study hard makes the teacher happy. Whether That 总结that、whether的用法： that 仅起____作用，____意义，在从句中____句子成分，____省略。 whether表“____”的意思, ____句子成分。____省略，不能用if替换。 连接 没有 不作 不能 是否 不作 不能 二、连接代词 who, whom, what, whose, which 1.______ make them happy was that they passed the exam. 2.______ I like most is your hairstyle. 3.______ the girl is remains a mystery. 4.______ money was lost is unknown. 5.______ book I shall choose hasn’t been decided. What What Who Whose Which 总结连接代词的用法： what指物，在从句中常可作________________，表示“…的东西/样子/事情/话” who指人，在从句中常可作________________，作宾语时可用whom whose常用作________ which可作_______________，表示“哪一个” 主语,宾语或表语 主语,宾语或表语 定语 主语,宾语和定语 三、连接副词 when, where, why, how 1.____ they leave the classroom hasn’t been decided. 2.____ it’s so